Experts, please repair the bios of hp 400 g5 sff and also clean its me region. I tried bios from another thread but they didn't work.
Hp 400 G5 SFF
Serial No. CZC8407JHG
Hp 400 G5 SFF
Serial No. CZC8407JHG
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Re: Hp 400 G5 SFF bios with Clean Me required.
https://h30434.www3.hp.com/t5/Deskto...a/td-p/8176717
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Mọi khoản quyên góp cho badcaps đều được hoan nghênh, hãy nhấp vào liên kết này để quyên góp. Cảm ơn tất cả những người ủng hộ----------------------------------------------------------------------------------------------------------------------------------------------------------------Comment
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Re: Hp 400 G5 SFF bios with Clean Me required.
Thanks Hoaca388 but I didn't find the proper answer to my problem in this post. I think the problem is with bios bcoz when I remove the bios chip from the motherboard, it gives 5 long and 7 short beeps otherwise It does nothing with the original bios. No power on, no beeps. I have two pcs with the same problem. My friend told me that one pc was giving beeps without ram. Someone replaced its original bios with ok bios from another pc and now it's also dead. I tried cleaning me region of the original bios (already attached) with me analyzer and fit but it didn't work. Maybe both its bios region and me region need to be modified/ repaired.Comment
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Mọi khoản quyên góp cho badcaps đều được hoan nghênh, hãy nhấp vào liên kết này để quyên góp. Cảm ơn tất cả những người ủng hộ----------------------------------------------------------------------------------------------------------------------------------------------------------------Comment
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Hello everyone,
I’m currently working on a dead MSI GP75 Leopard (MS-17E71) motherboard (i7 CPU, NVIDIA GPU) with a no display/no backlight issue initially. After extensive investigation, I’m at a critical stage involving EC firmware, BIOS/ME region interaction, and possible deep corruption. I'm seeking advanced insight from anyone with experience in EC/BIOS sync issues or PCH-level behavior. Here’s a full breakdown:
🧩 Initial Issue- Board powers on (fans spin, keyboard lights up and can be adjusted, caps lock led lights), but no display or backlight
- External display (HDMI) shows
07-24-2025, 02:17 PM -
First of all thanks to all of our members who have posted previously all methods posted here.
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Hello.
Have this old hp compaq nc6320 that came with one long and one short beep + backlight on. bios battery have only 0.5V. I remove it, but now it start beep some weird way. I think it is bios /one long + two short beeps+ baklight on/, but when i flash new bios from hp, no beeps and no backlight.
i attach record of beeps...04-27-2025, 12:48 AM -
Hi, my laptop wont boot at all
With original bios no POST, only LED lights
With alternative BIOS from model TP500LN (flashed via programmer) the notebook works again
Some issues
A- with bios from 500LN, it won't update from bios of model 500LA (from 500LN v203 to 500LA v300)
B- If updated from 500LN version 203 to 300, the battery stops being recognized
Things I tried
1- Update / clear ME: Took the non working bios, made a backup, and did this: https://www.badcaps.net/forum/troubl...theory/trouble... -
Hello, I have an old Dell G3 3579 (ST: 2WQ7LP2-8FC8) with a newer 8FC8 BIOS password. I have successfully attached to the flash chip (W25Q128JVSQ) on the motherboard with a CH341A programmer and made several modifications using Intel FIT (e.g., allow software SPI write) without bricking. I was also able to boot to a modified GRUB shell where I attempted to edit many BIOS security related options like BIOS Guard/Lock, Flash Signature Override, ME FW Image Re-Flash, etc.
Unfortunately, some of these modifications like to Intel BIOS Guard failed because it is fused into the PCH. Also,...
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