BIOS

ACER_A5WAH_LA_B991P_REV_1_0_2014_08_27_VGA_840M_I7_5500U_WORKING.rar

BIOS / EC firmware for Acer A5WAH / 840M / 5500U · board LA-B991P · 4.1 MB · shared in 2 Telegram posts.

TXTAbout ACER A5WAH LA-B991P REV 1 0 2014 08 27 VGA 840M I7 5500U WORKING BIOS / EC firmware

ACER A5WAH LA-B991P REV 1 0 2014 08 27 VGA 840M I7 5500U WORKING is an Acer A5WAH / 840M / 5500U BIOS / EC firmware dump for board LA-B991P — tested. It is packed in a RAR archive of 4.1 MB, board revision 1, I7 5500U / I7-5500U CPU. It was first posted on 7 Jan 2024 and is available in 2 Telegram channels.

Write it with an SPI programmer such as CH341A, RT809H or XGecu T48 to revive a board after a failed BIOS update, fix a corrupted Intel ME region or remove a forgotten BIOS password. Read and save the original chip first, and check that your board is LA-B991P revision 1.

For the same board you can also find a schematic, a boardview and board packs — see all LA-B991P files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
4.1 MB
Brand
Acer
Board number
LA-B991P
Model
A5WAH, 840M, 5500U
Revision
1
CPU
I7 5500U, I7-5500U
Notes
tested
First posted
7 Jan 2024
Last posted
4 Nov 2024
Sources
2

Tags

MSGFrom the Telegram post

ACER A5WAH LA-B991P REV 1.0 2014-08-27 VGA 840M I7-5500U WORKING BIOS 100% OKOKOKOK TESTED OK 100%

J1Download LA-B991P BIOS / EC firmware from Telegram

R1How to download ACER A5WAH LA-B991P REV 1 0 2014 08 27 VGA 840M I7 5500U WORKING

  1. Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
  2. You don’t need to join the channel. Tap the file ACER_A5WAH_LA_B991P_REV_1_0_2014_08_27_VGA_840M_I7_5500U_WORKING.rar to download it.
  3. Open it with 7-Zip (free) or WinRAR.

If a post was deleted, try another source above or search for LA-B991P. Step-by-step help: downloading from Telegram.

Back up the original chip twice before writing this dump, and check that the board number and chip size match. See how to flash a BIOS chip.

.RARWhat is a .rar file and how to open it?

RAR archive. A compressed folder. It can hold a schematic, a boardview, a BIOS dump or all three.

Open with:

  • 7-Zip (free)
  • WinRAR

Tip: If the archive asks for a password, look for it in the Telegram post text.