I am studying Computer technician in my country and I'm learning a lot from this guy! He shows a lot of techniques in identifying common issues and some I haven't encountered yet. I gain a lot of wisdom and knowledge by simply watching his videos. Kudos to you sir!
I've been doing electronics work since I was a kid going with my dad to his TV repair shop, spent 20 years in the military as a radio tech, and am now nearly finished with two associates degrees in electronics/electro-mechanical systems, and I learn something new EVERY TIME I watch one of your videos. Love your work and channel my friend! Nice work.
WTF? u work 20years with electronic and have two degree, but u did not know what knew somebody with BASIC electronic knowing? Did u sleep all your work and two degrees?
the amount of calls coming from the customer being so vague about their laptops, imagine the amount of work he takes a day lol. genuinely love this type of work
This guy really knows what he is doing.Unlike other guys on yt that do it by trial and error ,or some others that already tested the device before making the vid and knew the issue but are acting like they didnt. Keep up the good work, I am learning a lot from you.
This was hands down the most informative, clear, understandable tutori for throunleshooting motherboard issues. Thank you so very much sir, you do awesome work!
Thank you for your very clear explanations where you talk to people like they don't know anything and you repeat the concept a few times so they "get it." Some people teach like the student knows what they know, and it's hard to follow. I have fixed analog electronics in the past but this video really gave me a much clearer understanding of how to go about it on these digital laptop circuits with these microscopic surface mount components!
good day alex thank you for adding words on the screen when you are repairing a device,my son kyrian venter is deaf and he cant hear,so now its much better for him to follow your prestine work,thank you for that we are from south africa in cape town strandfontein,we watched all you videos so far and gained alot of knowledge from you,we appriciate the effort you put in to this channel,a shout out from me arrie and kyrian from cape town south africa
Nice guess on the bad capacitor! It looked a little bit de-laminated, but hardly discernible even with a microscope. You could have replaced it with a 10nF capacitor, just to provide some local noise filtering. It is a conservative value, as 100nF is a typical value for those.
HELLO NORTH! Am an avid Subscriber, you are my first 'Go to' when diagnosing PC issues! I recently built a new Computer in my old Tower with a new Raidmax Vampire 1000W 80 Plus Gold Power Supply, an MSI Z390-A PRO Motherboard with an Intel Pentium Gold Processor G5400 CPU @ 3.7GHz! Next added 64.0 GB DDR4 3200 Ram! Also a ZOTAC GAMING GeForce GTX 1 Video Card! Recently upgraded all my HHD's with an Intel 660p Series M.2 1 TB SSD Drive C and two WD I TB internal SSD's! My Computer now boots up completely for a cold start in 30 seconds!!!! (Once in a while when I turn it on, it Boots into the Bios Screen)!!!(But when I wont to boot into Bios, no matter what key combination I press it wont go into Bios on Command)! Windows will not display on my Digital Monitor but I can see the Bios Screen on another HDMI Output to my 32 inch TV! Am running XMP Mode and Gaming Mode on the MSI along with allocating 3/4 of my Ram to Process my Adobe Premiere 2022! My Question is: How do I get the computer to Boot into Windows EVERY TIME? And secondly, How do I get my computer to boot into Bios on command?
Thanks so much for the explanations! Had my laptop fixed at a local shop and having no knowledge about circuits I was dumbfounded with his lecture about mosfets and capacitors... This video really helped me understand. Thank you!
@@NorthridgeFix Sir... I have a question and I really need your answer based on your experience. I was using my netbook for about 5 minutes after that it suddenly turning off and smoke coming out of the charging port, I immediately unplugged the adapter from the netbook. After that, I waited 1 hour and tried plugging the adapter back just to see if the charging port indicator light is still on and yes it's still on but I'm afraid to turn on the netbook. my question is... does my netbook still have a chance that there will be no serious damage to its components or not?? sorry about my english ...
Great job. By seeing this video I have fixed my college Asus laptop which was not turning On even with battery or charger. I just removed one tiny mosfet near by charging port. I found that surrounded area capacitors shows short to ground. Once I removed tiny mosfet then short has gone. I do not have a same mosfet so I decided to jumper its drain and source pins. After I assembled everything I checked laptop and wola it's working fine and charging too. Thanks for guiding through your videos.
@@barbara82589 I knew that if the situation happens again then possibly another mosfet would fry also and could damage further towards supply rail or power management circuitry. For that reason I have added 2 Amp smd fuse in series leading to mosfet. So in case if charger cable short again from its positive to ground or laptop draws 2 Ampare because of anything wrong with charger then 2 Amp smd fuse will below instead of whole power management circuit goes blow.
What ASUS model do you have? Seems to be a somewhat frequent ASUS problem. Mine is a Q324U. I wish they would have used a harness connector for jack component instead of solder type, easier to test and swap out for those of us without soldering skills
@@barbara82589 I'm sorry I don't remember the exact model now but I will update you after ask my colleague. But I'm not pretty sure that it's frequent problem with Asus laptops. In our case charger cable was torn and by mistake it was joined reversed polarity. Once he connected charger just after cable repair then within 2 seconds laptop shuts down by itself. Some laptops I have found small charger port PCB and some harness connects that PCB to Mainboard. So repair might be simple or requires replacement of charging port PCB only.
Awesome. Your videos are short and brief, whilst containing the crucial skills and knowledge in pinpointing the exact issue and solving it. I've learnt alot in such a short time in comparison to other 1 hour long videos from other uploaders. Because of that, I've subscribed.
Today I just got luck to visit your video, video was good. I haven't watched the way you have explained over the youtube. Something very correctly understandable. I think your explanation way will definitely make me to watch your all videos. Keep it up. It's all new to me. Thanks
Very very helpful video. I found the schematics of my laptop (ACER) on Internet for 5$. 1 diode and 2 capacitors in short ... now repaired. Thks a lot.
Nice informative tutorial but here is a thought: Voltage injecting 19v on a faulty board seems really dangerous. It could damage even more. Why not hooking it up to an external power supply, limit the voltage to 5v and limit the current as well. This will prevent the inrush limiter to kick in and you can still use the flir camera. What do you think?
Wow wat an explanation n I have total respect to this guy the way he explain his theory n does practical on electronics. This guy is an electronic encyclopedia
Just my 2cts : when using FLIR - do not use laptop PSU, it will shut down, use a lab PSU instead and start with 1-2 Volts, this will give you about 3 Watts of heat on your defect cap, which will show nicely on your FLIR.
@@user-ty2uz4gb7v completely short, ZERO ohm. Meter shows near about 0.23ohm. ALL laptops that I fixed with ZERO ohm caps over 1.2v, 3.3v or 5.0v lines, capacitors never warmed.
I actually have that electricity feeder. Just short one flir Camara got the whole kit to start fixing again, your videos are a great refresh update on new methods
That's because laptops have all the same principal. 2 Mosfets in the input, various stepdown converters (with 2 mosfets, various capacitors, 1 inductor and a driver) and so on, they are all alike. If you want to know more about this follow "Electronics Repair School" channel, it is pretty similar to this one. @NorthridgeFix Loved this channel subscribed!
First of all, let me introduce myself. I"m Jadi from Indonesia as a Begginner PC/Laptop Technician. Btw,Thank U to share the Valuable Technical On Repaire the Laptop.
That was such a neat piece of work, you remind me of my computer maintenance teacher, he's so genious like you. Thank you for sharing your experiences.
Your solder skills are as impressive as your diagnostics. And you take pride in your work. Thanks. Have a few “dead” old boards am going to play with but only for learning. Plus keeps me from HDL wife keeps piling on 😏
Great job as always, keep up the good work, and thanks for the thorough explanations! I am always learning alot from you and always look forward to my "daily lesson". Regards
You can inject 19V to the 19V rail w/o damaging but you MUST use a power supply with variable current limit, cranking the current slowly up. The thermo camera is a good idea if you have it, otherwise use your fingertip carefully not to burn yourself. Using serial connected 24V or 2x12V automotive light bulbs for current limit is a cheap solution if you do not have a power supply with variable current control. The bulbs can be 15W, 25W, 45W 55W depending on the desired current.
that´s what i do,i'm just a small time hobbyist. edit: besides monitoring the Amps thru a second multimeter,on Amps, they can also be *seen* on the more or less brightness of the bulbs, from 5W or less to 45W
Sir you have really good instruments & tools for repairing, & process of work is really nice,but you can fix this at only 2 minutes by injecting volt with high amp to the second mosfet & detect faulty capacitor by hand... Sorry if i hurt you... Thanks
Hi, You can put a little bit of flux on a suspected short component and draw the current; if that is short the flux will vaporize. This is also a manual method of testing short component like puting on a finger and feel the heat as we know this is a low voltage circuit. Good luck..
I like you work! Great job! Is this honestly worth it though, with the cost of laptops being so low now? I have a laptop that I may have to send you, but I'm curious as to what a job like this cost?
Great video! While I've been building PCs for 20+ years, I have no experience in electronic repairs, what are you applying at 4:40? Flux? Heat absorbing gel? Would an ESR meter not help in finding the faulty cap?
Freaking awesome man! I now wonder if these strix's inherently have this issue or are common to result in a blown cap, starting with a weak charging port receptacle. I had the same thing happen to mine... Thanks to your video, I have hope in troubleshooting/fixing this.
This is eye opening.... I got similar problem, now i know.. not all the all the cap need to change.. If Shorted.. There is should be one cause everything..
thanks very much , very good lesson learned today and well explained.Please can you make a video on an HP laptop where everything seems ok but no display?
@@linksrepair2851if that dont work.. is it blinking led light ? bad bios likely.. make usb bios recovery with different version. if not then gpu or KBC rom likely.
Very intuitive diagnosing protocol. Impressive. I, too, have a Asus rog gl552vw with puzzling symptoms: - when power connected, the front light for power and battery charge are on but it doesn't boot - if only on battery, no lights on, no boot - when I leave it, plugged or not, the area on the left of the pad becomes quite hot until I remove the power cord and the battery... Any idea, somebody ?... Thank you
Great explanation! I wonder which liquid you use to desolder those smd mosfets? My heater would be at 330 degree and the fan on level 2 but not pleased.
Temperature depends on the device being worked on. for laptops i would use 440c hot air and 390c iron. Flux rover.ebay.com/rover/1/711-53200-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_from%3DR40%26_trksid%3Dm570.l1313%26_nkw%3Damtech%2Bv2%2Bflux%26_sacat%3D0&campid=5338440312&toolid=20008
@@NorthridgeFix Same thing I use for 2-way radio repairs here, good stuff. kinda expensive though but I do not cheap out on customer repairs especially if it's a warranty job
I can learn a somethng here. This not 100% can be work for all laptop. Which mean, it can be different for another laptops case but I understand every what his said and we need to check every parts with the multitester. The conclusion is, check the shortage, if components is a different than usual from another for the same type like hotter, no power or discolored, mean that was the suspect. We need to remove or replace it then plug back the power source then see how it goes. Thank you for sharing :)
Thanks! I have ASUS ZenBook 14 UM431 and same problem - device won't charge, won't power up. Now battery is dead and I unable to use laptop. Using your video, I seems found Capacitor witch is shorted. Now I'm waiting for air "soldering iron" to arrive to fix the capacitor or keep looking for dead IC...
This video is awesome! Thanks for sharing your job. One question, how many celsius degreess do you normally use for removing/adding smd components on the motherboard? :)
What is that you poured on to remove the mospet if that's how you spell it is that some sort of flux? Like 5 minutes into the video, I see no smoke. This video is excellent thank you.
Where were you placing the other multimeter lead when you tested capacitors for short to ground. Thanks, your video was awesome. I'm going to subscribe
I have a hp omen laptop that stopped charging a few months ago. After a month or so, it just started charging again until I took cable out. After plugging in it would just split sec go orange charge then white, no charge. After another month, same thing again. I got a brand new genuine hp 230w charger and still same thing. Bought a brand new battery. Still same thing. Bought a brand new power jack and still same. If I use my older laptop 90w charger in this gaming one, it works and charges up. Plug the original 230w and no charge. If I remove battery it won't power on, just flickers a white light every time you try powering on. Put the 90w charger in and it works without battery
I think it would be ok to apply low voltage/cc directly to these suspicious caps, would make it easier to pinpoint the shorted part. Also it looks like you chipped off a bit of capacitor at 9:39
Thank you nice work. Just wondering how the laptop ended with two problems at once. The charging port plus filter capacitor. Was it the bad charging port that damaged the filter?
At what temperature you set the air soldering when going over the mosfets? Thanks. Great video. I'm new working with smd components and always scared of frying stuff w heat
Did you eventually find an answer to this? At first I was sitting on the edge of my chair thinking "this method of reflowing is gonna melt the damn plastic components" lol obviously they're made out of a very tolerant material and not plastic, but still. At what temperature do you just fry the components?
WOW. for the first time I have seen someone doing theory nicely and getting people to understand what is happening as he does the practical.
1Q
Yeah first time indeed
@@funnelcreations さし
Wow
apparently you don't know other channels like this one
I am studying Computer technician in my country and I'm learning a lot from this guy! He shows a lot of techniques in identifying common issues and some I haven't encountered yet. I gain a lot of wisdom and knowledge by simply watching his videos. Kudos to you sir!
I've been doing electronics work since I was a kid going with my dad to his TV repair shop, spent 20 years in the military as a radio tech, and am now nearly finished with two associates degrees in electronics/electro-mechanical systems, and I learn something new EVERY TIME I watch one of your videos. Love your work and channel my friend!
Nice work.
WTF? u work 20years with electronic and have two degree, but u did not know what knew somebody with BASIC electronic knowing?
Did u sleep all your work and two degrees?
@@danielsatko You must be real fun at parties.
@@AmadonFaul not as funny as u 🤣
Thanks 🙏🏻
Same since I was 3 yo.
the amount of calls coming from the customer being so vague about their laptops, imagine the amount of work he takes a day lol. genuinely love this type of work
This guy really knows what he is doing.Unlike other guys on yt that do it by trial and error ,or some others that already tested the device before making the vid and knew the issue but are acting like they didnt. Keep up the good work, I am learning a lot from you.
This was hands down the most informative, clear, understandable tutori for throunleshooting motherboard issues. Thank you so very much sir, you do awesome work!
Thank you for your very clear explanations where you talk to people like they don't know anything and you repeat the concept a few times so they "get it." Some people teach like the student knows what they know, and it's hard to follow. I have fixed analog electronics in the past but this video really gave me a much clearer understanding of how to go about it on these digital laptop circuits with these microscopic surface mount components!
good day alex thank you for adding words on the screen when you are repairing a device,my son kyrian venter is deaf and he cant hear,so now its much better for him to follow your prestine work,thank you for that we are from south africa in cape town strandfontein,we watched all you videos so far and gained alot of knowledge from you,we appriciate the effort you put in to this channel,a shout out from me arrie and kyrian from cape town south africa
This guy knows his electronics very well and he's good in explaining everything..Thanks bro
Nice guess on the bad capacitor! It looked a little bit de-laminated, but hardly discernible even with a microscope. You could have replaced it with a 10nF capacitor, just to provide some local noise filtering. It is a conservative value, as 100nF is a typical value for those.
You are very thorough yet efficient with your explanations. Very much appreciated!
Now a days I'm watching your videos daily. And found them the best repair videos on UA-cam.
Some people gave thumbs down...?, what's not to like about these videos? Keep them coming.
Ny guess its cos he used too much solder on the mosfets. Sure the pins are the same but you want a proper finish.
probably the competition hating on the Professor and Big Boss lol
I am an ELECTRONIC technician I give you respect on practical, you are great.
HELLO NORTH! Am an avid Subscriber, you are my first 'Go to' when diagnosing PC issues! I recently built a new Computer in my old Tower with a new Raidmax Vampire 1000W 80 Plus Gold Power Supply, an MSI Z390-A PRO Motherboard with an Intel Pentium Gold Processor G5400 CPU @ 3.7GHz! Next added 64.0 GB DDR4 3200 Ram! Also a ZOTAC GAMING GeForce GTX 1 Video Card! Recently upgraded all my HHD's with an Intel 660p Series M.2 1 TB SSD Drive C and two WD I TB internal SSD's! My Computer now boots up completely for a cold start in 30 seconds!!!! (Once in a while when I turn it on, it Boots into the Bios Screen)!!!(But when I wont to boot into Bios, no matter what key combination I press it wont go into Bios on Command)! Windows will not display on my Digital Monitor but I can see the Bios Screen on another HDMI Output to my 32 inch TV! Am running XMP Mode and Gaming Mode on the MSI along with allocating 3/4 of my Ram to Process my Adobe Premiere 2022! My Question is: How do I get the computer to Boot into Windows EVERY TIME? And secondly, How do I get my computer to boot into Bios on command?
Thanks so much for the explanations! Had my laptop fixed at a local shop and having no knowledge about circuits I was dumbfounded with his lecture about mosfets and capacitors... This video really helped me understand. Thank you!
Great to hear.
@@NorthridgeFix Sir... I have a question and I really need your answer based on your experience. I was using my netbook for about 5 minutes after that it suddenly turning off and smoke coming out of the charging port, I immediately unplugged the adapter from the netbook. After that, I waited 1 hour and tried plugging the adapter back just to see if the charging port indicator light is still on and yes it's still on but I'm afraid to turn on the netbook. my question is... does my netbook still have a chance that there will be no serious damage to its components or not?? sorry about my english ...
The way you explain and work watching it happen is so satisfying i can watch you all night repairing stuff
A true passionate electrical engineer.
Great job. By seeing this video I have fixed my college Asus laptop which was not turning On even with battery or charger. I just removed one tiny mosfet near by charging port. I found that surrounded area capacitors shows short to ground. Once I removed tiny mosfet then short has gone. I do not have a same mosfet so I decided to jumper its drain and source pins. After I assembled everything I checked laptop and wola it's working fine and charging too. Thanks for guiding through your videos.
Owais Akhter by jumping it thereby bypassing the mosfet’s function, if the situation happens again, won’t it blow your motherboard?
@@barbara82589 I knew that if the situation happens again then possibly another mosfet would fry also and could damage further towards supply rail or power management circuitry. For that reason I have added 2 Amp smd fuse in series leading to mosfet. So in case if charger cable short again from its positive to ground or laptop draws 2 Ampare because of anything wrong with charger then 2 Amp smd fuse will below instead of whole power management circuit goes blow.
What ASUS model do you have? Seems to be a somewhat frequent ASUS problem. Mine is a Q324U. I wish they would have used a harness connector for jack component instead of solder type, easier to test and swap out for those of us without soldering skills
@@barbara82589 I'm sorry I don't remember the exact model now but I will update you after ask my colleague. But I'm not pretty sure that it's frequent problem with Asus laptops. In our case charger cable was torn and by mistake it was joined reversed polarity. Once he connected charger just after cable repair then within 2 seconds laptop shuts down by itself.
Some laptops I have found small charger port PCB and some harness connects that PCB to Mainboard. So repair might be simple or requires replacement of charging port PCB only.
Awesome. Your videos are short and brief, whilst containing the crucial skills and knowledge in pinpointing the exact issue and solving it. I've learnt alot in such a short time in comparison to other 1 hour long videos from other uploaders. Because of that, I've subscribed.
Just wanted to say thanks for all the videos. They are very informative and the way you explain things really resonates with me.
Today I just got luck to visit your video, video was good. I haven't watched the way you have explained over the youtube. Something very correctly understandable. I think your explanation way will definitely make me to watch your all videos. Keep it up. It's all new to me. Thanks
I have been repairing electronic gear for 50 years. You make me look like a beginner!
I like how you explain mosfet work, and what causing short by capacitor and resistor not causing short. Keep smile :)
Very very helpful video. I found the schematics of my laptop (ACER) on Internet for 5$. 1 diode and 2 capacitors in short ... now repaired. Thks a lot.
can you please name the website if you don't mind? thanks a lot.
Nice informative tutorial but here is a thought: Voltage injecting 19v on a faulty board seems really dangerous. It could damage even more. Why not hooking it up to an external power supply, limit the voltage to 5v and limit the current as well. This will prevent the inrush limiter to kick in and you can still use the flir camera. What do you think?
Seriously one of my favorite UA-cam channels.
From me too
You started with a frightening scenarios of shorts and narrowed it down to one 'bad-guy'. Excellent detective work. !!
Wow wat an explanation n I have total respect to this guy the way he explain his theory n does practical on electronics. This guy is an electronic encyclopedia
Always a pleasure to watch a pro at work
Just my 2cts : when using FLIR - do not use laptop PSU, it will shut down, use a lab PSU instead and start with 1-2 Volts, this will give you about 3 Watts of heat on your defect cap, which will show nicely on your FLIR.
Nope! It doesn't always happen that way. If capacitor is completely in short It doesnt warm.
@@renatosaraivalima I've had dead shorted caps that show warm. Less than 5 ohm. Why do you say that a completely shorted cap won't show warm?
Hello i have asus x550vx laptop it has same problem in this video laptop how i fix it (no power not charge)
@@user-ty2uz4gb7v completely short, ZERO ohm. Meter shows near about 0.23ohm. ALL laptops that I fixed with ZERO ohm caps over 1.2v, 3.3v or 5.0v lines, capacitors never warmed.
what i was about to type out, good on you sir!
You are truly gifted my friend. I love watching you work.
I actually have that electricity feeder. Just short one flir Camara got the whole kit to start fixing again, your videos are a great refresh update on new methods
Damn I'm impressed what you're able to do without a schematic
That's because laptops have all the same principal. 2 Mosfets in the input, various stepdown converters (with 2 mosfets, various capacitors, 1 inductor and a driver) and so on, they are all alike.
If you want to know more about this follow "Electronics Repair School" channel, it is pretty similar to this one.
@NorthridgeFix Loved this channel subscribed!
I actually learned from this video . Way better than those cartoon videos with computer voices . Thanks for all your videos .
I’ve just found one of most useful channel in UA-cam.
What an excellent video! Logical, step by step approach with mind-blowing techniques through razor-sharp tools.
Naaah. Standard procedures and trouble shooting.
No Biggie.
First of all,
let me introduce myself.
I"m Jadi from Indonesia as a Begginner PC/Laptop Technician.
Btw,Thank U to share the Valuable Technical On Repaire the Laptop.
That was such a neat piece of work, you remind me of my computer maintenance teacher, he's so genious like you. Thank you for sharing your experiences.
You make it look so common sense and easy. My hat's off to you.
Your video tought me more, faster than the previous 100 combined.
Quite a learning experience towards how MOSFETs work.
Your solder skills are as impressive as your diagnostics. And you take pride in your work. Thanks. Have a few “dead” old boards am going to play with but only for learning. Plus keeps me from HDL wife keeps piling on 😏
One of the most informative channels around. Thank you, sir.
Great job , you must title this : Basics of detecting a faulty capacitor
Loved the commentary as you diagnosed the fault. Thumbs up and subscribed.
I like this video. I need to learn how to fix it without circuit diagram. This is a good source to learn. I will keep watching video.
Love the way you explain the workflow. Thank you!
Educational :D & Helpful :)
Great job as always, keep up the good work, and thanks for the thorough explanations! I am always learning alot from you and always look forward to my "daily lesson". Regards
Ill be mailing my computer to you. Awesome work!!!
Love your work, detailed and knows what he's doing and explains each chip.
Stay safe and Keep it up
I learned more from you.
You can inject 19V to the 19V rail w/o damaging but you MUST use a power supply with variable current limit, cranking the current slowly up. The thermo camera is a good idea if you have it, otherwise use your fingertip carefully not to burn yourself. Using serial connected 24V or 2x12V automotive light bulbs for current limit is a cheap solution if you do not have a power supply with variable current control. The bulbs can be 15W, 25W, 45W 55W depending on the desired current.
that´s what i do,i'm just a small time hobbyist.
edit: besides monitoring the Amps thru a second multimeter,on Amps, they can also be *seen* on the more or less brightness of the bulbs, from 5W or less to 45W
Really helpful video! Great work! I would like to ask you something. What exactly is the gelly thing you use to remove items?
Amtech flux
Sir you have really good instruments & tools for repairing, & process of work is really nice,but you can fix this at only 2 minutes by injecting volt with high amp to the second mosfet & detect faulty capacitor by hand...
Sorry if i hurt you...
Thanks
Bro are you a laptop repair technician i have a question how much do you earn ??
Learn a great deal in just the few minutes. Thanks robert Y
Hi,
You can put a little bit of flux on a suspected short component and draw the current; if that is short the flux will vaporize. This is also a manual method of testing short component like puting on a finger and feel the heat as we know this is a low voltage circuit. Good luck..
awsesome work, realy nice video. Love your content
13m video, and ive learned alot more than 3 months of study in repair alone
I like you work! Great job! Is this honestly worth it though, with the cost of laptops being so low now? I have a laptop that I may have to send you, but I'm curious as to what a job like this cost?
My God! What a nice microscope you have, buddy! The video quality is outstanding!
Great video! While I've been building PCs for 20+ years, I have no experience in electronic repairs, what are you applying at 4:40? Flux? Heat absorbing gel? Would an ESR meter not help in finding the faulty cap?
That would be flux
Freaking awesome man! I now wonder if these strix's inherently have this issue or are common to result in a blown cap, starting with a weak charging port receptacle. I had the same thing happen to mine... Thanks to your video, I have hope in troubleshooting/fixing this.
Well done!!!! You could solder the culprit back to check to see if you do see it on thermo cam
Thanks I been on this channel 2 years. And so many videos unseen yet
Pls Multimetre value show on the side of the screen
This is eye opening.... I got similar problem, now i know.. not all the all the cap need to change.. If Shorted.. There is should be one cause everything..
thanks very much , very good lesson learned today and well explained.Please can you make a video on an HP laptop where everything seems ok but no display?
Try to plug it to an external monitor, if you still get black screen, problem could related to GPU.
@@NorthridgeFix thanks for the reply and i gonna try that.
@@linksrepair2851if that dont work.. is it blinking led light ?
bad bios likely.. make usb bios recovery with different version.
if not then gpu or KBC rom likely.
Very intuitive diagnosing protocol. Impressive.
I, too, have a Asus rog gl552vw with puzzling symptoms:
- when power connected, the front light for power and battery charge are on but it doesn't boot
- if only on battery, no lights on, no boot
- when I leave it, plugged or not, the area on the left of the pad becomes quite hot until I remove the power cord and the battery...
Any idea, somebody ?...
Thank you
Great explanation! I wonder which liquid you use to desolder those smd mosfets? My heater would be at 330 degree and the fan on level 2 but not pleased.
I need to know the liquid type as well, thanks!
Thank you very much for this video. It's very helpfull even your techniques. Great job and no commercials makes this video perfect. Very nice!
Nice Video dude! What Flux do you use and what temperature you use normally with you solder iron and hot air station?
Temperature depends on the device being worked on. for laptops i would use 440c hot air and 390c iron. Flux rover.ebay.com/rover/1/711-53200-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_from%3DR40%26_trksid%3Dm570.l1313%26_nkw%3Damtech%2Bv2%2Bflux%26_sacat%3D0&campid=5338440312&toolid=20008
@@NorthridgeFix Same thing I use for 2-way radio repairs here, good stuff. kinda expensive though but I do not cheap out on customer repairs especially if it's a warranty job
I can learn a somethng here. This not 100% can be work for all laptop. Which mean, it can be different for another laptops case but I understand every what his said and we need to check every parts with the multitester. The conclusion is, check the shortage, if components is a different than usual from another for the same type like hotter, no power or discolored, mean that was the suspect. We need to remove or replace it then plug back the power source then see how it goes. Thank you for sharing :)
hopeful video i am from tunisia and i thank you about this repair
mosfet can do many problem as like the capacitor
Probably the best explanation of how MOSFETs work in real life.
thank you sir for sharing your ideas of how to repair mosfit...you have mosfit available?
Thanks! I have ASUS ZenBook 14 UM431 and same problem - device won't charge, won't power up. Now battery is dead and I unable to use laptop. Using your video, I seems found Capacitor witch is shorted. Now I'm waiting for air "soldering iron" to arrive to fix the capacitor or keep looking for dead IC...
Best channel on utube hv ever washed you show everything I will wash u till I be like you.God bless you sir...
Brilliant combination of theory and practical 🥳🥳
This video is awesome! Thanks for sharing your job. One question, how many celsius degreess do you normally use for removing/adding smd components on the motherboard? :)
One of best videos!
In most videos you speak very fast
Great one.
Stay safe
Hi! your video on troubleshooting is easy to understand and get more knowledge on repairs, thank you and continue upload more videos.
❤superb great 👍 xcellent 🎉 Alhamdulillah watching you from Bangladesh 🇧🇩 I have learnt something
What is that you poured on to remove the mospet if that's how you spell it is that some sort of flux? Like 5 minutes into the video, I see no smoke. This video is excellent thank you.
Where were you placing the other multimeter lead when you tested capacitors for short to ground. Thanks, your video was awesome. I'm going to subscribe
You can just put it only any ground point, usually a screw hole
you so professional bro! i hope i can learn more from you
I have a hp omen laptop that stopped charging a few months ago. After a month or so, it just started charging again until I took cable out. After plugging in it would just split sec go orange charge then white, no charge.
After another month, same thing again.
I got a brand new genuine hp 230w charger and still same thing. Bought a brand new battery. Still same thing. Bought a brand new power jack and still same. If I use my older laptop 90w charger in this gaming one, it works and charges up. Plug the original 230w and no charge. If I remove battery it won't power on, just flickers a white light every time you try powering on. Put the 90w charger in and it works without battery
amazing skill and effort!
so professional
IDK. leaving that cap out is not by the book professional but we all have our time saving tricks I guess..
@@Elfnetdesigns would it be possible to know the value of that capacitor without more info about the circuit? how would you replace it?
@@StromboliKicks I would get the schematic of the device. They exist and some are free others you have to pay for.
Great explanation and step by step process showing how to determining power issue!
Very good video. Would you be able to do a video on how to test the mosfet in diode mode please.
Awesome. Can't wait to start diagnosing my 14bis HP board. You make it look fun.
Your microscope setup is very nice. Can you tell us what it is? Maybe a lab/shop tour?
That was fantastic to watch. Thanks for taking the time to show us your skills and knowledge.
I think it would be ok to apply low voltage/cc directly to these suspicious caps, would make it easier to pinpoint the shorted part. Also it looks like you chipped off a bit of capacitor at 9:39
Thank you nice work. Just wondering how the laptop ended with two problems at once. The charging port plus filter capacitor. Was it the bad charging port that damaged the filter?
At what temperature you set the air soldering when going over the mosfets? Thanks. Great video. I'm new working with smd components and always scared of frying stuff w heat
Did you eventually find an answer to this?
At first I was sitting on the edge of my chair thinking "this method of reflowing is gonna melt the damn plastic components" lol obviously they're made out of a very tolerant material and not plastic, but still. At what temperature do you just fry the components?
waww.this is the 1st time I see such mosfet.thank you
A very good experience 😃 takes you as quick as you get the repair ✅ done
Nice job brother I like your teachings from Mombasa kenya
Loving the troubleshooting steps it gives me motivation. Thx
What kind of FLIR cam are you using, what would you recommend for the kind of microelectronics you do?