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After updating BIOS to:

HP EliteDesk 800 G2 TWR/SFF
02.42 Rev.A 17.2 MB 12. sep 2019

corrupted the bios.

Thanks

Hp EliteDesk 800 G3 SFF
SERIAL N0 - JPH751VJB9
board model number AS#901017-001​​
PALES REPAIR THIS BIOS 8mb and 16 mb​...

Heya,

found three HP Elitedesks 800 G4 65W Desktop Mini PC's on the scrap, however they refuse to display anything.
The fan spins, power draw is about 9-10W, the LED is a solid white. However when i hold the power button, it starts to blink red 3x, white 4x.

Attaching a keyboard does not make the caps/numlock LED light up either.

I replaced the CPU and RAM but no luck. When i try to power a HP Elitedesk 800 G3 with the same PSU, it works.

What am i looking at, is this known at all? Borked BIOS somehow? Or why do these G4s just all fail....

Apologies if this is the wrong forum, but I'm not looking for a specific BIOS file, I'm trying to understand how one makes a clean BIOS file. So here's the background. I have 2 HP EliteDesk 800 g2 mini 35w pcs. One is working fine; the other doesn't have display out or working USB's nor does it have any flashing error lights. The CPU does get worm enough to cause the fan to spin up, so I think it's posting, but I just don't know. I had it working at one point but trouble started when I tried to put in a drive caddy that had a cooling fan on it. I thought it would be compatible but wasn't...

I am working on a hp elitedesk 800 g2 that has a short on the main rail as it draws current immediately its plugged in and burns up some resistors. I need help in identifying some transistors and or their values so i can replace them as i am troubleshooting and a capacitor near the SIO. I have attached the photos.. I Have marked the two transistors in yellow and the values of the 2 caps near the SIO. Thanks for the help. The Board is from a hp elitedesk 800 g2 65W and the board is DOLOMITE REV:A...

I cant unlocked bios with RCUnclocker.
my pc is HP Elitedesk 800 G6 Mini desktop.
Please help me unlock password bios.
I attached the bios and EC file. Thanks....

HP EliteDesk 800 G6 Desktop Mini PC (4V0K5LS)...

This unit, still I cannot fix it....

HP EliteDesk 800 G6 DM
Serial: BRJ145RCG4
Part: 4V0K5LS...

8CC90126N0
tag# 0513241

can someone clear absolute security of this bin. tried some bios around here but wont post...

Hi , can anyone fix my BIOS please? When i plug the power cable no posts and 5 long beeps. and 2 short
HP Elitedesk 800 G4 35w Desktop mini PC
Serial:8CC8512JVN
Product No 2YH11AV

i dumped my current bioses.
Thank you...

Elitedesk 800 G4 35w DM
Need help remove abslotue lock tried
Already removed cmos battery and put back, tried bunch stuff like disabling things in bios
none works
Need someone to help tnx...


8CC9252QDM
2YJ46AV#AB4​

HP EliteDesk 800 35W G4 Base Model Desktop Mini PC...

Hello,
Please, I have an HP Elitedesk 800 G6 Mini Desktop with a BIOS issue. I get the Main + EC bin from another same model HP 800 G6 Mini unit, I modified the BIN files to unlock MPM, and flashed them to the issues system. However, it doesn't work properly.
After flashing the unlocked Main + EC to issue unit, everything seems to function normally until I perform a "Restore Factory Defaults" in the BIOS. After that, the system fails to POST; it powers on, but the screen remains black. (I also tried clearing the EC and flashing only the Main firmware, but the same issue ...

hello
i need bios HP EliteDesk 800 65W G4 Desktop Mini PC

SN 8CC8391W55

Board number: DAOF83MB6A0 REV: A

​...