Acer Nitro AN515-55-5923
FH51M LA-J871P REV 1.0 No display, any help, tks all
S/N : NHQ7NSV0040240752A3400
SNID: 02402999434
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i need Bios ,EC Nitro 5 FH51M LA-J871P REV1.0
AN515-55-56R2
S/N NHQ7NSP00C048042F03400
SNID 04801713634Leave a comment:
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thread merged. Your backup isn`t any good, its only 19KB compressed,it should be MB .Make another backup -
Post the motherboard model numbers, such as FH51M LA-J871P ,and your bios backupLeave a comment:
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not sure if mine is corrupt or not but wanting to flash a known working bios to this machine. charging light is orange then when hitting power, blue light turns on a second but then goes out.
acer nitro 5 n20c1
an515-55-53s4
s/n: NHQ7MAA008019150C63400
SNID: 01908621434
thanks in advanceLeave a comment:
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Hi sir i need good bin file , my acer laptop no display
model: AN515-55-76EA
SNID #: 03903784034
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Hallo Masters! Anoone can repair my old BIOS?
SNID: 03502174934
MODEL: AN515-55-53AG
BOARD: FH51M LA-J871P
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Re: bios Nitro 5 FH51M LA-J871P REV1.0.
Serial number ? https://www.badcaps.net/forum/showthread.php?t=103570
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Re: bios Nitro 5 FH51M LA-J871P REV1.0.
hai Need Acer Nitro 5 FH51M LA-J871P REV 1B vbios file (uv49) laptop working but no GPU detected only intel cpu show in device manager
pls helpLeave a comment:
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need reduce mb
Hi all i extract from acer site but bios size 17.3 can anyone make it actual size 16mb Acer Nitro 5 FH51M LA-J871P REV 1B
thanksLeave a comment:
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Re: bios Nitro 5 FH51M LA-J871P REV1.0.
Hi All Need Acer Nitro 5 FH51M LA-J871P REV 1B
Backup attached
Thanks In AdvanceLeave a comment:
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Re: bios Nitro 5 FH51M LA-J871P REV1.0.
He did it at post #26
https://www.badcaps.net/forum/showth...62#post1250562
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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 -
Hello everyone.
I'm here to ask for help troubleshooting an issue with my Acer Nitro 5 An55-515. Board number fh51m LAJ871P .
The laptop turns on without any image, and after inspection, I noticed the 1.2V voltage was reading 8V spikes. The PQM1 MOSFET's gate was shorted to the source.
I replaced PQM1, PQM2, and PUM1. After turning on the machine, the 1.2V voltage appears correctly for about 1 minute, but after that, PQM1 shorted again. The MOSFET and controller assembly has already been replaced twice and continues to blow. I can't understand what's going on. I should also add... -
First of all thanks to all of our members who have posted previously all methods posted here.
Please leave a comment if you find something new,or have anything else to add.
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Find by serial number,model number or series
If you know the laptop serial or model number go to HP support https://support.hp.com/us-en/drivers/laptops .
Enter the serial number or model number and click submit.On the next screen you will have to enter the OS
Operating system and OS version.If... -
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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