Hi everyone,
I need bios Acer E5-571G-59BZ
S/N: NXMRHSV005522008BF3400
Motherboard : A5WAH LA-B991P REV 1.0
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You MUST:- Provide the full machine model number, serial number (or Service tag, SNID) and the board model number (see https://www.badcaps.net/forum/showthread.php?t=88758 ) ,The serial number, make, full model number, motherboard model and revision (except QR codes) must be written/typed at your request as per the rules. Not as a picture, part of the file name and so on.
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Hi everyone,
I need bios Acer E5-571G-59BZ LA-B991P REV 1.0
here my old bios
Thank you advanceLeave a comment:
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Re: e5-571g-a5wah la-b991p
The original bios is the bios file from the bios chip on your machine. Before flashing another bios file to the chip you must back up the original bios even though the bundle is corrupted. This is a required action.
The bios files downloaded from the manufacturer's homepage are usually not complete files, so the original bios is needed to supplement the missing parts and information of the device.Leave a comment:
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Re: e5-571g-a5wah la-b991p
Hi all, anyone able to help ?
Thanks in advance!Leave a comment:
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Leave a comment:
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Re: e5-571g-a5wah la-b991p
Need E5-571G-77JB
Z5WAH132 dump
unable to flash using FN+ESC
Using ch341a module to flash
Manufacture: Windbond
Memory name: W25Q64BV
Memory Size 8MB
Manufacture ID: $EF
Memory Type: $40
Memory Capacity: $17
Device ID: $16
A5WAH LA-B991P
Rev1.0
2014-08-27
EC kb9022Q D
I only flashed the Main BIOS. from this link https://www.badcaps.net/forum/attach...5&d=1497318610
I did not flash the EC.
Still do not see the BIOS screen when booting upLast edited by zemaitis; 03-02-2022, 08:57 AM.Leave a comment:
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Re: Bios Dump Acer e5-571g-53B1 A5WAH LA-B991P rev 1.0
I found this :
Leave a comment:
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Bios Dump Acer e5-571g-53B1 A5WAH LA-B991P rev 1.0
Hilooking for a bios dump for Acer e5-571g-53B1 A5WAH LA-B991P rev 1.0
thank youLeave a comment:
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Re: e5-571g-a5wah la-b991p
you can't write or read I/O chips with TL 866 ...
https://www.youtube.com/watch?v=bTmCxdQRRsYLeave a comment:
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Re: e5-571g-a5wah la-b991p
Hello
Is it possible to flash EC without an EC programmer?
There isn't EC chip-
I have TL866 A only.Leave a comment:
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Re: e5-571g-a5wah la-b991p
can anyone get me a dump of a Acer E5-571G, board A5WAH LA-B991P REV1.0 withI7 5500u and GPU Nvidia 820M?
best regardsLeave 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 -
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,... -
Hello,
I have a Lenovo Thinkbook 15 G2 ITL i5 Laptop (serial number: MP2BFZEF) that when I turn it on, the led on the power button lights up for 5 seconds, then goes out. There's no display and nothing happens.
So I thought it was a Bios problem.
I found 3 bios chips on the board, which I read with a bios programmer: two XMC model bios chips and a Winbond model bios chip. Each XMC model bios chip has two partitions named XM25QH128A [3.3V] and XT25F128A [3.3V]. And the Winbond model bios chip has three partitions named W25Q80BL 3.3V, W25Q80xV 3.3V and W25Q80DV 3.3V....
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