Removing & Replacing Parts | HP Pro Mini 400 G9 Desktop PC | HP Computer Service | HP Support

Watch an expert remove and replace various product parts when servicing or upgrading HP Pro Mini 400 G9 Desktop PC. Follow the steps in this video to properly remove the specific parts and then safely install the replacement parts for sustained or improved performance. You can directly skip to the specific chapters in the video corresponding to the parts to be repaired and replaced.
Chapters:
00:00 Introduction
00:17 - Access panel
00:50 - RTC battery
01:36 - Speaker
02:14 - Wireless LAN module
03:28 - M.2 solid state drive
04:21 - I/O board
05:30 - Option board
06:18 - System memory
07:15 - System fan
07:56 - Heatsink
09:16 - CPU
10:12 - Motherboard
11:22 - Wireless antennas
CAUTION: Improperly installing or replacing parts could damage your HP device or void your warranty. Before replacing any parts, check your warranty.
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This video was produced by HP.
Removing & Replacing Parts | HP Pro Mini 400 G9 Desktop PC | HP Computer Service | HP Support
• Removing & Replacing P...

[@tannhaeuser]

Just ordered this Pro Mini with a 256 GB M.2 SSD. That will be replaced by a much larger M.2 SSD (2280 of course) and now, seeing the limited space for it and that "thermal cover", I wonder about the compatibility of M.2 SSDs from other manufacturers. Some have passive heatsinks on their SSDs - what is the maximum height for it? What happens with the thermal cover when using a different SSD with it's own (sometimes better) heatsink? Is there a compatibility list?

[@chipichipi82]

I'm looking for the video Removing & Replacing Parts | HP Pro SFF 400 G9. Where can I find it?

[@EricLatios]

Where can I buy the io board and the option boards?

[@HPSupport]

Hi there, thanks for contacting HP Global Social Media Support!
I understand that you need to purchase the IO board and the option boards.
I will do my best to assist you.
Use the HP Parts surfer to identify the part: partsurfer.hp.com/partsurfer/
And order it via the HP Parts store: bit.ly/3nKMYrs
Binu_HP Social Media Tech Support

[@Sergey-ym1wz]

Hello! Is it possible to install an additional 2.5 format SSD in this model? If not, tell me which models can install such an SSD?

[@HPSupport]

Hi there, thanks for contacting HP Global Social Media Support!
I understand that you need to know whether you can add 2.5 format SSD on this computer.
I will do my best to assist you.
This computer has 1 M.2 2280 slot for storage. So you can add SSD that is compatible with this slot.
Regards,
HP Support

[@khalilmohumudally8432]

Hello- WE want to connect a 2.5" SATA SSD. Please confirm whether it is possible. Thanks for your prompt respose.@@HPSupport

[@HPSupport]

Hi there, thanks for contacting HP Global Social Media Support!
I understand that you need to know whether you can connect 2.5" SATA SSD to your computer.
I will do my best to assist you.
This computer has 1 M.2 2280 slot for storage. So you can add SSD that supports this slot.
Regards,
HP Support

[@torstenw.130]

I own this PC with 16GB and 512 GB SSD since a few days. I have an active USB-3.0 Hub with several 2,5" HDDs connected. When I start the PC with powered external drives it take severals minutes to start... (without external drives connected it only takes a few seconds). Is there any way to change that, exept connecting/starting the external drive every time? (I looked for the boot sequence settings in the Bios (first ESC then f10) but could not find it --> this was without connected external drives btw, because with that extremly slow start it is not possible to hit ESC in the right moment) - Thank you!

[@HPSupport]

Hi Torsten, thanks for contacting HP Global Social Media Support!
I understand that you are experiencing an issue with your computer as it takes several minutes to start.
I will do my best to assist you.
Please perform updates via Windows and HP Support Assistant as mentioned below to fix this issue: Step 1 Windows Updates - 1) In the search box, type and open Windows Updates. 2) Check for updates. 3) If the updates are available, click on install and restart the computer. Step 2 HP Support Assistant Updates - 1) In the search box, type and open HP Support Assistant. 2) Check for updates. 3) If the updates are available, click on install and restart the computer.
Binu-HP Social Media Tech Support

[@JSVS44]

I just purchased my hp pro mini 400 g9 a month ago on amazon and apparently the dual state power button came defective/faulty, now its broken and cant turn on my computer, i have no complain on the computer since its a nice compact pc, specs, and operating system, but this problem just made me go nuts, is there a trick or method where i can fix this problem?! Thank You.

[@HPSupport]

Hi there, thanks for contacting HP Global Social Media Support!
I understand that you are experiencing an issue with the power button.
In order to get this issue fixed, please contact our customer care team over the phone or chat for further assistance, as this issue requires Live conversation with you over phone or chat to isolate the issue and provide you instantly with appropriate solution or repair/replacement options available at your place as per the warranty.
Please feel free to reach us on call/chat, please access this link to select your preferred country and language option to reach us. Global support link: - www8.hp.com/us/en/contact-hp/ww-phone-assist.html
Binu_HP Social Media Tech Support

[@jovivalentine2641]

I had the same problem, already try to open the cover & remove the power button. Now i had to turn on the pc by using tip of a pen

[@muhaimeenali580]

Where can i find a replacement wifi antenna?

[@HPSupport]

Hi there, thanks for contacting HP Global Social Media Support!
I understand that you need to purchase replacement Wi-Fi antenna.
I will do my best to assist you.
Use the HP Parts surfer to identify the part: hp.care/6058YU1Gk
And order it via the HP Parts store: hp.care/6059YU1GZ
Regards,
HP Support

[@HPSupport]

Hi there, thanks for contacting HP Global Social Media Support!
I understand that you need to know about upgrading the SSD of your computer.
I will do my best to assist you.
Please refer page number 8 of the user manual to know about the supported storage: bit.ly/3ybd6kt
Binu_HP Social Media Tech Support

[@jovivalentine2641]

I have an issued on the power button

[@HPSupport]

Hi Jovi, thanks for contacting HP Global Social Media Support!
I understand that you are experiencing an issue with the power button.
Due to limited support on this platform to fix this issue, please feel free to reach us on call/chat. Access this link to select your preferred country and language option to reach us.
Global support link: - hp.care/40fMuMD
Binu-HP Social Media Tech Support