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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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Re: bios Nitro 5 FH51M LA-J871P REV1.0.
help me
problem: no display
Acer Nitro 5 AN515-56-57XP
Boardcode : FH51M LA-J871P REV 1B
SN ID: 02700805634
SN: NHQ7RSP00202701F783400
Bios backup fileLeave a comment:
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Re: bios Nitro 5 FH51M LA-J871P REV1.0.
Someone help me please build this bios,
Laptop no display but capslock and numlock led is on when press
Acer Nitro 5 AN515-55-56R2
Boardcode : FH51M LA-J8771P REV 1B
SN ID: 05203053434Last edited by than_22; 04-04-2023, 01:33 AM.Leave a comment:
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Re: bios Nitro 5 FH51M LA-J871P REV1.0.
Your Backup doesn't contain Serial Number, is it your Original BIOS?
The files in post #13 and #16 are Virgin BIOS, so they should works fine.
I think if you program back your Backup the device will not work at all, not just a late display.Leave a comment:
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Re: bios Nitro 5 FH51M LA-J871P REV1.0.
Hello, my original bios has been corrupted, after interfering with variables. I managed to download the firmware file from the official website, but now the loading takes longer than usual. I attach a dump of the broken bios.
Acer Nitro 5 AN517-52-59MH
Board: FH51M LA-J871P
SNID:03706834534
I can also provide the serial number on request
Can help me?Last edited by Crutic; 02-28-2023, 11:27 AM.Leave a 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 -
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... -
Hello everyone,
I recently bought a non-working Asus Zenbook Pro Duo OLED UX8402ZA that was listed for parts only. The seller mentioned that it had no display output but that the charging lights worked.
When the laptop arrived (without a charger and SSD), I connected a charger and confirmed with a multimeter that it was charging the battery. However, when I tried to power it on, only the backlight of the secondary display came on. There was no image, and it didn’t boot into the BIOS.
I decided to try flashing a new BIOS, but since I didn’t want to desolder... -
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...
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