I'm really glad you posted this! I've been driving myself crazy with a new build, and I had to back track on everything I've done. This is the 1st build I've done in 25 years that has totally thrown me off!
@@TechRated I'm building a gaming box with a Gigabyte B550 Auros Elite AX MB, G Skill Flare X 16G (2) DDR4, MSI Mech Radeon RX6750 XT-12GB, Antec HCG1000 Gold (Tested Bad-Returned for new unit), AMD Ryzen 7 5800X-8 Core, Gigabyte M.2-512 GB (2), and a couple of SSD's (1T total) System wouldn't boot and I purchased the tester you showed in your video. Power supply was completely dead. This has been the most frustrating build I've done in over 25 years!!! It has been making me crazy and I'm working on it in my garage in the summer, which is just making it even more difficult. lol!!
my pc keeps shutting down after 3 hours and I want to check my psu with multimeter but I can only found tutorial with colored cables of psu out there. Just wanna say thanks bc ur video guide me to test almost every pins. thank you so much!
Thanks for this, but I did hear that you can still have a failed power supply despite it showing good voltages on all the rails, because sometimes it will be fine with no load, but when you load any of the rails, it will fail. Do you know a good/easy way of adding load to the rails whilst testing? Thanks.
Very helpful. My daughter is trying to build her first PC but the PC didn't show anything on the screen and no LEDs on the motherboard. The power button works and the fans come on, even the CPU fan works. I checked the CPU 8 pin connecter and measured 8.8V dc but unstable. I have returned the PSU assuming this is a fault. From your video it seesm that my diagnosis was correct. There are 8 pins but I found that only 6 are used for power, 3 positive and 3 GND. What are the other two for?
At 2:33 you mention the PSU fan turns on when the PSU is switched on. What about PSUs with the zero-rpm feature? Do these run the fan briefly when the PSU is switched on?
Amazing, I have one of those Amazon testers, but did not understand why it was beeping. I'm going to try with the PCIe cables and see if I can get stable readings. WIth just the big Motherboard cable connected, it does a 'LL' on one of the 12v- rails and shows slightly miss-matched 12v readings.
Need your help, my pc stopped working somehow and it doesn’t turn on, PSU fan doesn’t start even when i turn it on and also no Leds on motherboard, though whenever i try to turn off psu, mobo flashes white led for half a sec. Not sure what’s faulty Psu or Mobo? Please help.
I have one nominally 12V pin connection that only measures 11.28V on my Lenovo 14-pin power connector. Could that be enough out of tolerance to make my ThinkCentre M93P not boot any more? There are no POST error code beeps. The CPU, PSU and case fans run, but nothing else. I'm trying to determine whether the problem is in the PSU or motherboard. I'd be willing to replace the PSU but not the MoBo. I bought this computer "refurbished" about 4 years ago. I has been working fine until recently.
If you follow the methods in the video, then you only test it until you check all cables and make sure you are getting the correct readings. If you are stress testing, then there isn’t really a timeframe. Run a few benchmarks and you should be good to go.
Any way to test an HP L 8261-004? It has 2, 4pin connectors and 1, 3pin connector. No tutorials found on youtube or anywhere. When I push start the fan doesn't run so I guess it is bad. Would be nice to test.
You should meassure the PSU with at least some load. I like to connect a couple of old hard drives there. Without load it might look ok, but it may not be.
@@TechRated For most new PSUs the fan doesn't spin when using jumper wire they need a load on them I use a case fan plugged in a Molex connector to test it.
All I see in mine is that when oowered on either connected to the mobo or with the wire short circuit as shown that the fan of the PSU tries to spin but stops, and I can hear a light buzz on it as if there is current in there, but nothing starts. If ut is connected to the mobo then there is a split second start where the fans of the PC turn fir that splitbsecind and then stops... should I remove the PSU fan and try from there? or the pin (of the PSU fan ) should be connected to di this ? Correction, when not connected the Mobo and short circuit as in video with the 2 pins there is 12v to the Gpu cable, but fan not spinning. With ir without the fan connected to the PSU there is a buzz heard in the Power supply, Now when connected to the Mobo there is no light to the mobo and dies not start, as described...Will get ut to service but what can be your verdict ?
What if I don't have a cable like that. Can I put a jumper on the correct pins on the board. Mine is a streamer and I don't have a cord like that. It's just a motherboard with a pico PS and some other stuff. Not powering up
Awesome info thanks!! but question would this be a PSU issue? my computer turns on all RGB works fans on GPU are not spinning and only one monitor works? all these issues just happened out of nowhere thanks!
I know it's been 5 months. But fans on gou not spinning can be normal at startup. But if they aren't spinning while the GPU is under load (in a game). Then that's a problem. But overall. Could it be a PSU issue. Maybe. Sounds more like a mb (maybe some cables aren't plugged in) or software thing. But also I'm not an expert. Hope you don't need this info anymore lol
helpful i have a hyte 60 and the front panel wont do anything but running the jumper test and the power supply came to life i will have to email hyte and get some help on this issue
Hello, I am an experienced IT professional. Prior to that I ran a PC repair shop from the late 70's and into the early 90's. I am also well versed in networks and servers, The issue you have experienced is due to the fact that the so-called "jumper wire" test, as illustrated here, is quite meaningless. Your result where the power supply seems to "come to life" when turned on with a jumper wire, but failed when installed in the PC is evidence of the uselessness of this test, See, the jumper wire test as shown here is a no-load test. That means that the power supply is being tested without any load being place on it. But, when installed in the PC, and placed under load, your PSU fails. Perhaps, you've seen this kind of this before -- a car battery can't start a car, but may still light the car's interior lights. So the battery is fine when used with a minimal load from a few lights, but cannot handle the stress of the load required to actually start the car. Basically, the jumper wire test is merely showing that DC voltage is being produced by the power supply. Problem is that you don't know how much amperage is behind that voltage. So, when placed under the stress of the PC's high demand, it may fail. The multimeter test as demonstrated is interesting, but also completely meaningless since the readings are being taken on a PSU without any load being placed on it. While you may well read 12v, 5v and 3.3 volts at various positions on the connector, you cannot determine if the PSU can supply those voltages at it's rated wattage. As for the power supply tester in the video, I checked out it's Amazon listing. Personally I wouldn't use it. If you are going to test a PSU, use a quality PSU tester such as the Thermaltake Dr. Power series testers. I have a Antec tester that is quite simple but effective that uses a couple of wire wound resistors to provide a load for testing. Unfortunately Antec no longer makes this tester. In a pinch, just leave the PSU you are testing installed in the PC, disconnect the 20/24 pin main connector, but leave the PSC connected to everything else, such as the the graphics card, hard/SSD drives, case fans, etc. Now, install the jumper wire on the 20/2 pin connector to turn on the PSU and use a multimeter as shown in the video to check the various voltages from the PSU. The graphics card, hard/SSD drives, case fans, etc, should provide a sufficient load to actually test the PSU. Good luck!
Thank you for the pinout on the power supply plug. Mine just went out last night. Checked the power and reset buttons and they both checked out. Checked the power cable itself and it checked out. Pulled power supply from the case and nothing. It is completely dead.
Hello sir , just want asking when every time jumper the fan just spin less then second , then spin off its that not normal but pc working fine just brought second psu 850w gold, tested in 550w bronze its just like video fan running fine, thanks
so if i understand this correctly.. the 24pin connector layout is somewhat standardised??? all wires should lead to corresponding connectors, right? But how come when you try and shop for custom cables, you have to look for which manufacturers psu you have? Like ive been told some use different cable layout for example.. Should i watch out when buying for a psu tester or should it be standardised for all psu.s? Also us vs eu voltage? Does this mean id have to exclusively shop in europe for a european psu?? Im okay.ish with building pc by myself, i just never delved into voltages and amperages - fine electronics basicaly.. one is lack of equipment, the other is fear of breaking something expensive with like primitive tools XD
They are 100% standardised, if they weren't you would have to use certain brand PSU with certain brand motherboards 🤣 Every single cable off a PSU is the same on every other PSU. The ONLY time they wouldn't be is if you bought something like an Alienware that is using a unique PSU with unique connectors on a unique motherboard. But every PSU you can buy, is the exact same. How are you building PC's if you don't even know this?
Modular PSUs doesn’t have the end that goes to the PSU standardized. That’s why 3rd party suppliers need that info. For extension cable, you don’t need to know to order one.
I have a Corsair RM750 power supply, and sometimes my PC resets suddenly. I've measured the values of the power supply, and everything seems fine, but when I turn on the power supply, the fans stop again after 10 seconds. Is this an issue?
I took my Be Quiet Dark Power Pro into my local computer shop and the guy tested it with his power supply tester and it showed all the correct voltages and told me that it was OK. Yet it fails the paper clip test (I used a strand of solid copper wire from a ground cable for house). The fan will spin for 5 seconds sometimes, but for the most part, not at all. How can it pass the voltage test at the computer store and fail the paper clip test ? I though the voltage tester at the store was the end-all test ? To me it sounds like there is a failing relay in the PSU, I can hear it click on, and when it does, the fan spins, but very often it just clicks off then on to where the fan barely comes on, or not at all. At this point the power supply tester seems more like a gimmick then something that should be reliable.
Hi I built my first of MSI b650 tomahawk with ryzen 7 7700X and Rx 7700xt My usb devices keep disconnecting I tried various things like changing power settings, updating bios and even reinstalling new windows it still happens. Can it be a bad power supply unit ? It’s a brand new Corsair 750RM fully modular gold? Appreciate the video ❤
Good day hoping for answer im from Philippines i buy a silverstone 700w power suppply and it needs 230v output but we only have 220v here how can i use my psu. Thanks ifol
Thank you so much. I had bought components for a build over time so its not built yet and I was stressing that too much time has passed w/o my building the pc rig and so if the PSU is DOA I'd just lose my money. Watched one video but my PSU is modular and all the wires are black so I have no avail to the color coded wires. 🤣 Then there was your video a newer PSU and I learned . I'm now collecting parts for a different i5 12600K none gaming rig that needs more Watts. Can you tell me which of the following is a better 850W PSU CORSAIR RM 850W vs. Thermaltake Toughpower GF1 850W? Unless you can recommend something better in the same price range? Should I go single rail or multi rail? I want to run a virtual box to install & production software. I don't earn money doing that so I can't spend tons of $ on such a production rig, I'm mostly learning for fun. Again thank you for sharing your knowledge👍
Both of those brands will work. I usually go with Corsair or EVGA for my power supplies. In the past, I have used Thermaltake and it did quite well. Most PSUs these days are reliable and do what they are supposed to do. However, the price is determined by the power output, features and efficiency. As far as features go, I am talking about if it is modular or not, RGB, display, etc. Efficiency is the rating (Ex: White, Gold, Platinum, etc.). But I would go with whatever your budeget allows. The ones you mentioned are very good choices.
If your power supply fails to turn on. The first thing to do is remove your video card. Then do a power on test. If it still fails remove any card in your sys and retest. Also remove all memory clean contacts on mem. and all cards. Retest. Then test your PS.
I had the same issues as well but the difference is the monitor shut downs and my keyboard lights turn off also. Sometimes it restart by itself sometimes not and i need to force it to boot or turn it on again by turning the whole pc off. But the thing is. My pc still running all fans and lights are running and on including the cpu fan but why only the monitor and keyboard loss signal or lights? Even in idle or UA-cam still random crash or shutdown. Can anyone help me address what's the problem of my pc??
So I am getting a fluctuating volt of between 11.99v and 12.00v on 2 of the 12v connection on the pcie 8pin connector, is this okay? Using a multimeter
My pc shuts down, tried all these methods and the psu is all good. Tried every single socket on the 24pin aswell. My gpu failing? Appeared black small squares all on my monitor yesterday. Help please!
My younger brother's PC stuff came today. We both have no experience in this, but I'm better at building and following instructions. The instructions said to test the power supply first. I used the jumper that came with it. I plugged it into a surge protector, like it recommended and turned it on. The fan barely twitched for a split second within turning it on, and the light in the house dimmed for a split second from turning on the button. Then about 1-2 seconds after turning it off, the fan does a slight rotation.. I'm not sure why it's reacting this way. It's odd. I noticed that the jumper blocks inside the connector are at different positions to the instructions booklet that shows how to use a jumper wire. So I tried using a jumper wire in the ports that the instruction booklet showed. But the results were the exact same. 🤦🏽 Hope I didn't ruin it by following the instructions.. Only other thing I can figure out is that maybe the surge protector that I plugged it into didn't feed it enough wattage? I would've tried plugging straight into the wall, but was afraid of destroying it, if I haven't already.
@mohammadrifqisatriamas7311 I suppose that could've been it. But then I'm not sure how someone is supposed to test it as suggested, if the fan doesn't spin. We managed to put it all together, and after resolving a few more issues, we got the PC working. Hard to believe it's been 6 months already.
my pc would turn on but it wouldn't turn on my monitor and I've updated my drivers and checked the wiring could it be my power supply not providing enough? I have a 750W gold ASUS TUF PSU, a 4070 GIGABYTE RTX, and Ryzen 7 7700 8-Core Processer. Should I check it like this?
Thank you turns out my evga b5 was running just fine, it just missing a cables on 24pins so my PC couldn't run. Im buying a cable online instead of paying 40$ to ship to EVGA to warranty.
My PC randomly shut down and never booted up again. I was almost gonna sell the whole PC for very cheap, because I didn't have a clue why it was doing it. Luckely somebody suggested me trying to test the PSU and I watched this video. I tested the PSU independently and found it is defective! Fan doesn't spin up and no voltage readings on the 24pin. I got that PSU for 1 year and it already failed, who thought about that? 😮
how are your TechRated, i have a 3070 with ryzen 7 3700x 32ram from t force, and SSD, so the thing is like 6 months ago my computer when I turned on, start but no display on monitor, and check the rams, GPU stress test, clean everything make sure all is plugged, and damn I do everything, but still the same thing, is not all the time, I turn the PC on 3 times with no problems but when I do it for 4 time, the PC turn on but no display , so I'm really don't know hats going on, I'm suspecting on the psu or last thing GPU but is weird because I don't have shutdowns or green lines or freeze my PC runs excellent is just sometimes start but no display, can you help me please?, i can pay if you want! but please man idnk what to do! and sorry my grammar i don't speak English ):
If the PC turns on, then it probably isn’t your PSU. It sounds like you may need to do some Windows updates and maybe GPU driver updates. Not sure. Not having an output to your display randomly is strange. I would do all updates first and then go from there.
You might also need to update your chipset. Other than that, check simple things like cable connections and monitor settings. I guess it is possible that you might be having issues with wattage to your GPU if your PSU isn’t able to output what it needs. What GPU do you have? How many watts is your PSU?
@@TechRated thank you again and i did the chipset update the bios update like 2 hours ago, and I have an RTX Gigabyte 3070 OC 8gb and a 750w power supply of a weird brand. o., bro I will pay you this wednday like 10 dollars just for answer me
All those ways are basically useless for the most common scenario of PSU being great without load and then failing some of the time with load when pushed. Those are ways of testing an obviously bad PSU. For proper diagnostics it's useless.
Am confused, wouldn't you just have to stress test your pc to see if the psu works fine under load? Assuming it does turn on atleast which you can test for from the video
I'm really glad you posted this! I've been driving myself crazy with a new build, and I had to back track on everything I've done. This is the 1st build I've done in 25 years that has totally thrown me off!
Glad to help! Congrats on the new build! Specs?
@@TechRated I'm building a gaming box with a Gigabyte B550 Auros Elite AX MB, G Skill Flare X 16G (2) DDR4, MSI Mech Radeon RX6750 XT-12GB, Antec HCG1000 Gold (Tested Bad-Returned for new unit), AMD Ryzen 7 5800X-8 Core, Gigabyte M.2-512 GB (2), and a couple of SSD's (1T total) System wouldn't boot and I purchased the tester you showed in your video. Power supply was completely dead. This has been the most frustrating build I've done in over 25 years!!! It has been making me crazy and I'm working on it in my garage in the summer, which is just making it even more difficult. lol!!
@@Sharkman6275what’s your case? Nice build and hope it works
Awesome video. Very clear and concise. Thank you.
Thank you for the feedback! Glad it was helpful!
my pc keeps shutting down after 3 hours and I want to check my psu with multimeter but I can only found tutorial with colored cables of psu out there. Just wanna say thanks bc ur video guide me to test almost every pins. thank you so much!
Was the problem the psu ? cause I have the same problem and I don't want to buy a new psu and then it doesn't get fixed. Thx for advance 😊
Thanks for this, but I did hear that you can still have a failed power supply despite it showing good voltages on all the rails, because sometimes it will be fine with no load, but when you load any of the rails, it will fail. Do you know a good/easy way of adding load to the rails whilst testing? Thanks.
Hello, have you foun?d out an answer to your question
Jesus Christ that's f*cked up !!
Thanks for making this this!
Very helpful. My daughter is trying to build her first PC but the PC didn't show anything on the screen and no LEDs on the motherboard. The power button works and the fans come on, even the CPU fan works. I checked the CPU 8 pin connecter and measured 8.8V dc but unstable. I have returned the PSU assuming this is a fault. From your video it seesm that my diagnosis was correct. There are 8 pins but I found that only 6 are used for power, 3 positive and 3 GND. What are the other two for?
Excellent ... well done ...
At 2:33 you mention the PSU fan turns on when the PSU is switched on. What about PSUs with the zero-rpm feature? Do these run the fan briefly when the PSU is switched on?
Amazing, I have one of those Amazon testers, but did not understand why it was beeping. I'm going to try with the PCIe cables and see if I can get stable readings. WIth just the big Motherboard cable connected, it does a 'LL' on one of the 12v- rails and shows slightly miss-matched 12v readings.
Same thing for me. Also there's a wall that prevents me from connecting to three six volt connections on my cable mod cable.
Thanks, brother. The video did really help me troubleshoot my power supply. I bought another Motherboard, and I hope that works.
Need your help, my pc stopped working somehow and it doesn’t turn on, PSU fan doesn’t start even when i turn it on and also no Leds on motherboard, though whenever i try to turn off psu, mobo flashes white led for half a sec. Not sure what’s faulty Psu or Mobo? Please help.
Hello…
How about the 28 pins…? Where is the jumper switch….?
Thanks….
I have one nominally 12V pin connection that only measures 11.28V on my Lenovo 14-pin power connector. Could that be enough out of tolerance to make my ThinkCentre M93P not boot any more? There are no POST error code beeps. The CPU, PSU and case fans run, but nothing else. I'm trying to determine whether the problem is in the PSU or motherboard. I'd be willing to replace the PSU but not the MoBo. I bought this computer "refurbished" about 4 years ago. I has been working fine until recently.
11.28 is good - good enough. looks like a dead mobo ( i,e, not the 12v rail )
@@commander-cb That's what I thought. Thanks for the second opinion.
Very help full pings 16 and 17 to test the power supply, thank you.
15 is also ground same with 17. so there is no difference
Awsome demo sir,very helpfull indeed,thanku,the diagrams,brilliant😊😊
Just watched your video on power supply testing, good information, Thanks for sharing
I have a question when testing a PSU how long should you test it for?
If you follow the methods in the video, then you only test it until you check all cables and make sure you are getting the correct readings. If you are stress testing, then there isn’t really a timeframe. Run a few benchmarks and you should be good to go.
Great vid just learning this stuff very handy TY!
Any way to test an HP L 8261-004? It has 2, 4pin connectors and 1, 3pin connector. No tutorials found on youtube or anywhere. When I push start the fan doesn't run so I guess it is bad. Would be nice to test.
You should meassure the PSU with at least some load. I like to connect a couple of old hard drives there. Without load it might look ok, but it may not be.
While that is true, you can also test without a load as well. Either way works! Adding a load will definitely push the PSU a little more.
Yup my pc runs for 2 mins and shuts down
@@TechRated For most new PSUs the fan doesn't spin when using jumper wire they need a load on them I use a case fan plugged in a Molex connector to test it.
@@raysmacCase Fan in a Molex? Must be some adapter, eh?
Thanks so much. This helped me a ton.
Great video. Thanks
Glad it helped and I appreciate the feedback! 👊🏼
Great video… lots of helpful info…❤
All I see in mine is that when oowered on either connected to the mobo or with the wire short circuit as shown that the fan of the PSU tries to spin but stops, and I can hear a light buzz on it as if there is current in there, but nothing starts. If ut is connected to the mobo then there is a split second start where the fans of the PC turn fir that splitbsecind and then stops... should I remove the PSU fan and try from there? or the pin (of the PSU fan ) should be connected to di this ?
Correction, when not connected the Mobo and short circuit as in video with the 2 pins there is 12v to the Gpu cable, but fan not spinning. With ir without the fan connected to the PSU there is a buzz heard in the Power supply, Now when connected to the Mobo there is no light to the mobo and dies not start, as described...Will get ut to service but what can be your verdict ?
Thanks for this hard work. I inserted a wire to Pin 3 and 4 on the PSU MB Connector but the PSU Fan dint start. Is there a way to reset the PSU?
What if I don't have a cable like that. Can I put a jumper on the correct pins on the board. Mine is a streamer and I don't have a cord like that. It's just a motherboard with a pico PS and some other stuff. Not powering up
Very usefull information, thank you so much
Awesome info thanks!! but question would this be a PSU issue? my computer turns on all RGB works fans on GPU are not spinning and only one monitor works? all these issues just happened out of nowhere thanks!
I know it's been 5 months. But fans on gou not spinning can be normal at startup. But if they aren't spinning while the GPU is under load (in a game). Then that's a problem. But overall. Could it be a PSU issue. Maybe. Sounds more like a mb (maybe some cables aren't plugged in) or software thing. But also I'm not an expert. Hope you don't need this info anymore lol
How do i check for ground on the psu side though? I'm trying to check for the sata output from the psu, but it's not standardized
How you test power supplies that have the 6-pin motherboard connector ?
Thank you so much 💜😊
What if you get something like 12.120V on Hardware Monitor? Is that fine? I'm using an MSI MPG A750GF 750W 80 Plus Gold Modular
helpful i have a hyte 60 and the front panel wont do anything but running the jumper test and the power supply came to life i will have to email hyte and get some help on this issue
Hello, I am an experienced IT professional. Prior to that I ran a PC repair shop from the late 70's and into the early 90's. I am also well versed in networks and servers,
The issue you have experienced is due to the fact that the so-called "jumper wire" test, as illustrated here, is quite meaningless. Your result where the power supply seems to "come to life" when turned on with a jumper wire, but failed when installed in the PC is evidence of the uselessness of this test,
See, the jumper wire test as shown here is a no-load test. That means that the power supply is being tested without any load being place on it. But, when installed in the PC, and placed under load, your PSU fails.
Perhaps, you've seen this kind of this before -- a car battery can't start a car, but may still light the car's interior lights. So the battery is fine when used with a minimal load from a few lights, but cannot handle the stress of the load required to actually start the car.
Basically, the jumper wire test is merely showing that DC voltage is being produced by the power supply. Problem is that you don't know how much amperage is behind that voltage. So, when placed under the stress of the PC's high demand, it may fail.
The multimeter test as demonstrated is interesting, but also completely meaningless since the readings are being taken on a PSU without any load being placed on it. While you may well read 12v, 5v and 3.3 volts at various positions on the connector, you cannot determine if the PSU can supply those voltages at it's rated wattage.
As for the power supply tester in the video, I checked out it's Amazon listing. Personally I wouldn't use it.
If you are going to test a PSU, use a quality PSU tester such as the Thermaltake Dr. Power series testers. I have a Antec tester that is quite simple but effective that uses a couple of wire wound resistors to provide a load for testing. Unfortunately Antec no longer makes this tester.
In a pinch, just leave the PSU you are testing installed in the PC, disconnect the 20/24 pin main connector, but leave the PSC connected to everything else, such as the the graphics card, hard/SSD drives, case fans, etc. Now, install the jumper wire on the 20/2 pin connector to turn on the PSU and use a multimeter as shown in the video to check the various voltages from the PSU. The graphics card, hard/SSD drives, case fans, etc, should provide a sufficient load to actually test the PSU.
Good luck!
Thank you for the pinout on the power supply plug. Mine just went out last night. Checked the power and reset buttons and they both checked out. Checked the power cable itself and it checked out. Pulled power supply from the case and nothing. It is completely dead.
Can I test the paper clip 4&5 with the multimeter?
Yes, you can! But usually, if the power supply activates with the paper clip or jumper wire, then those pins are fine.
I tested my psu with a paper clip to make jumper. The fan is spinning but after some time my psu turns off. Please help me thank you so much 🙏
i know this is late but your psu have a semi passive mode
Why you use paperclip and multimeter both ? Is it possible to use only the multimeter without paperclip connect when using the multimeter
Hello sir , just want asking when every time jumper the fan just spin less then second , then spin off its that not normal but pc working fine just brought second psu 850w gold, tested in 550w bronze its just like video fan running fine, thanks
I just bought a reused power supply offf Amazon I plugged it in but the fan didn’t turn, does it need to be plugged into something to be spinning?
so if i understand this correctly.. the 24pin connector layout is somewhat standardised??? all wires should lead to corresponding connectors, right? But how come when you try and shop for custom cables, you have to look for which manufacturers psu you have? Like ive been told some use different cable layout for example.. Should i watch out when buying for a psu tester or should it be standardised for all psu.s? Also us vs eu voltage? Does this mean id have to exclusively shop in europe for a european psu??
Im okay.ish with building pc by myself, i just never delved into voltages and amperages - fine electronics basicaly.. one is lack of equipment, the other is fear of breaking something expensive with like primitive tools XD
They are 100% standardised, if they weren't you would have to use certain brand PSU with certain brand motherboards 🤣 Every single cable off a PSU is the same on every other PSU. The ONLY time they wouldn't be is if you bought something like an Alienware that is using a unique PSU with unique connectors on a unique motherboard. But every PSU you can buy, is the exact same. How are you building PC's if you don't even know this?
Modular PSUs doesn’t have the end that goes to the PSU standardized. That’s why 3rd party suppliers need that info. For extension cable, you don’t need to know to order one.
My asus thor 850w shows 12v 11.904v is that bad? Under load 11.808v hwinfo i see
I have a Corsair RM750 power supply, and sometimes my PC resets suddenly. I've measured the values of the power supply, and everything seems fine, but when I turn on the power supply, the fans stop again after 10 seconds. Is this an issue?
Thanks its good video and helpful.
I took my Be Quiet Dark Power Pro into my local computer shop and the guy tested it with his power supply tester and it showed all the correct voltages and told me that it was OK.
Yet it fails the paper clip test (I used a strand of solid copper wire from a ground cable for house). The fan will spin for 5 seconds sometimes, but for the most part, not at all.
How can it pass the voltage test at the computer store and fail the paper clip test ? I though the voltage tester at the store was the end-all test ?
To me it sounds like there is a failing relay in the PSU, I can hear it click on, and when it does, the fan spins, but very often it just clicks off then on to where the fan barely comes on, or not at all.
At this point the power supply tester seems more like a gimmick then something that should be reliable.
Hi
I built my first of MSI b650 tomahawk with ryzen 7 7700X and Rx 7700xt
My usb devices keep disconnecting I tried various things like changing power settings, updating bios and even reinstalling new windows it still happens. Can it be a bad power supply unit ?
It’s a brand new Corsair 750RM fully modular gold?
Appreciate the video ❤
My psu keeps making a clicking noise when I plug in the Jumper bridge. Is the psu bad???
Good day hoping for answer im from Philippines i buy a silverstone 700w power suppply and it needs 230v output but we only have 220v here how can i use my psu. Thanks ifol
Thank you so much. I had bought components for a build over time so its not built yet and
I was stressing that too much time has passed w/o my building the pc rig and so if the PSU is DOA I'd just lose my money. Watched one video but my PSU is modular and all the wires are black so I have no avail to the color coded wires.
🤣 Then there was your video a newer PSU and I learned . I'm now collecting parts for a different i5 12600K none gaming rig that needs more Watts. Can you tell me which of the following is a better 850W PSU CORSAIR RM 850W vs. Thermaltake Toughpower GF1 850W? Unless you can recommend something better in the same price range? Should I go single rail or multi rail? I want to run a virtual box to install & production software. I don't earn money doing that so I can't spend tons of $ on such a production rig, I'm mostly learning for fun. Again thank you for sharing your knowledge👍
Both of those brands will work. I usually go with Corsair or EVGA for my power supplies. In the past, I have used Thermaltake and it did quite well. Most PSUs these days are reliable and do what they are supposed to do. However, the price is determined by the power output, features and efficiency. As far as features go, I am talking about if it is modular or not, RGB, display, etc. Efficiency is the rating (Ex: White, Gold, Platinum, etc.). But I would go with whatever your budeget allows. The ones you mentioned are very good choices.
It is same all psu?
How can i find out the ampage on 12v side
If your power supply fails to turn on. The first thing to do is remove your video card. Then do a power on test. If it still fails remove any card in your sys and retest. Also remove all memory clean contacts on mem. and all cards. Retest. Then test your PS.
I had the same issues as well but the difference is the monitor shut downs and my keyboard lights turn off also. Sometimes it restart by itself sometimes not and i need to force it to boot or turn it on again by turning the whole pc off. But the thing is. My pc still running all fans and lights are running and on including the cpu fan but why only the monitor and keyboard loss signal or lights?
Even in idle or UA-cam still random crash or shutdown.
Can anyone help me address what's the problem of my pc??
So I am getting a fluctuating volt of between 11.99v and 12.00v on 2 of the 12v connection on the pcie 8pin connector, is this okay? Using a multimeter
That is basically 12v so it should be fine.
Hi when I plug my power supply in it trips the curcuit breaker in the house,any suggestions on how to test it for short
Make sure that circuit it's overloaded do plug in to many things.
My pc shuts down, tried all these methods and the psu is all good. Tried every single socket on the 24pin aswell. My gpu failing? Appeared black small squares all on my monitor yesterday. Help please!
Could a power supply still have issues even if it shows these voltages in testing with no loads? My pc shuts off randomly after installing 7800xt GPU.
Same, Did you find a solution?
My younger brother's PC stuff came today. We both have no experience in this, but I'm better at building and following instructions.
The instructions said to test the power supply first. I used the jumper that came with it. I plugged it into a surge protector, like it recommended and turned it on. The fan barely twitched for a split second within turning it on, and the light in the house dimmed for a split second from turning on the button.
Then about 1-2 seconds after turning it off, the fan does a slight rotation.. I'm not sure why it's reacting this way. It's odd.
I noticed that the jumper blocks inside the connector are at different positions to the instructions booklet that shows how to use a jumper wire. So I tried using a jumper wire in the ports that the instruction booklet showed. But the results were the exact same.
🤦🏽 Hope I didn't ruin it by following the instructions.. Only other thing I can figure out is that maybe the surge protector that I plugged it into didn't feed it enough wattage? I would've tried plugging straight into the wall, but was afraid of destroying it, if I haven't already.
Your psu maybe have silent feature which turn off the fan when it does not use a ton of power. My guess the psu was fine
@mohammadrifqisatriamas7311 I suppose that could've been it. But then I'm not sure how someone is supposed to test it as suggested, if the fan doesn't spin.
We managed to put it all together, and after resolving a few more issues, we got the PC working. Hard to believe it's been 6 months already.
I used the jumper method and the fan flicks on for a second and then off. Connected to the mobo it does nothing. Still not sure.
my pc would turn on but it wouldn't turn on my monitor and I've updated my drivers and checked the wiring could it be my power supply not providing enough? I have a 750W gold ASUS TUF PSU, a 4070 GIGABYTE RTX, and Ryzen 7 7700 8-Core Processer. Should I check it like this?
i know it's been 4 days but it would be so funny if you just plugged the hdmi or display port to your motherboard insted of the graphics card.
i saw another video say its the 4th and 5th pin to jump not the 3rd and forth, now im confused
First solution, where can I buy that product
Thank you turns out my evga b5 was running just fine, it just missing a cables on 24pins so my PC couldn't run. Im buying a cable online instead of paying 40$ to ship to EVGA to warranty.
I put in two power supply's and cant get them to work after putting them in the pc. i also replaced the battery on the board.
hi guy! what is the PG number?
That is the power signal. Normal values will be 100-500ms.
i have fps drop can it be relative to my psu
I don’t have a “jumper block” . . .
I’ve bought 2 brand new PSUs from known brands and that’s never been included
My computer turns on some time only power light only. I have to try again and again to turn on my computer. What should be the actual problem?
My PC randomly shut down and never booted up again. I was almost gonna sell the whole PC for very cheap, because I didn't have a clue why it was doing it.
Luckely somebody suggested me trying to test the PSU and I watched this video.
I tested the PSU independently and found it is defective!
Fan doesn't spin up and no voltage readings on the 24pin.
I got that PSU for 1 year and it already failed, who thought about that? 😮
how are your TechRated, i have a 3070 with ryzen 7 3700x 32ram from t force, and SSD, so the thing is like 6 months ago my computer when I turned on, start but no display on monitor, and check the rams, GPU stress test, clean everything make sure all is plugged, and damn I do everything, but still the same thing, is not all the time, I turn the PC on 3 times with no problems but when I do it for 4 time, the PC turn on but no display , so I'm really don't know hats going on, I'm suspecting on the psu or last thing GPU but is weird because I don't have shutdowns or green lines or freeze my PC runs excellent is just sometimes start but no display, can you help me please?, i can pay if you want! but please man idnk what to do! and sorry my grammar i don't speak English ):
If the PC turns on, then it probably isn’t your PSU. It sounds like you may need to do some Windows updates and maybe GPU driver updates. Not sure. Not having an output to your display randomly is strange. I would do all updates first and then go from there.
@@TechRated thanks bro, yeah i gpu drivers are up to date, same my windows, today I will update the bios, and keep testing o.O
You might also need to update your chipset. Other than that, check simple things like cable connections and monitor settings. I guess it is possible that you might be having issues with wattage to your GPU if your PSU isn’t able to output what it needs. What GPU do you have? How many watts is your PSU?
@@TechRated thank you again and i did the chipset update the bios update like 2 hours ago, and I have an RTX Gigabyte 3070 OC 8gb and a 750w power supply of a weird brand. o., bro I will pay you this wednday like 10 dollars just for answer me
@@tcpilot6995 No worries! This is the goal of my channel! Hopefully your PC issues get worked out. I appreciate the support! 👊🏼
What does it mean when my power supply fan spins but then shortly stops
How can I tell if my thing is not working?
my power supply fan run for about 2-4 seconds then it stopped. Is that normal? it’s a new one I just brought, it is unlikely broken.
It's the motherboard
Thanks Sir
mine turns on but after like 2 seconds it shuts down
Thank you, every voltage is crrect so its a mobo fault
I did the jumper and fan came on for like 2-3 seconds and then stopped spinning
Expected little bit deeper
Want to cooperate with you about promoting PC software. Thanks
My power supply does not have a switch
My psu fans are turning on no matter whether the switch is turned on or off
wow i use a jumper to test my psu and now it broken
Leanne Freeway
All those ways are basically useless for the most common scenario of PSU being great without load and then failing some of the time with load when pushed.
Those are ways of testing an obviously bad PSU. For proper diagnostics it's useless.
This is almost useless. How about testing voltages and psu temps under load? A 300 watt chinesium psu will pass these tests in the video.
Please, tell us how to test a psu under load.
this video is useless when some people need to check the power supply under load
You are useless
Please, tell us how to test a psu under load.
This video is also useless when some people need to check how to do a bernaise sauce
Thanks for this comment, came here looking for a test under load…
Am confused, wouldn't you just have to stress test your pc to see if the psu works fine under load? Assuming it does turn on atleast which you can test for from the video
nerd
That's Mr. Nerd to you!
useless info
Hi.
My 4 pin power connector provides 18 volt ?
And my pc keeps turning on and off automatically and repeatedly?