BIOS

DELL VOSTRO 3558 COMPAL LA-B843P BIOS.rar

BIOS / EC firmware for Dell · board LA-B843P · 4.3 MB · shared in 3 Telegram posts.

TXTAbout DELL VOSTRO 3558 COMPAL LA-B843P BIOS BIOS / EC firmware

DELL VOSTRO 3558 COMPAL LA-B843P BIOS is a Dell BIOS / EC firmware dump for board LA-B843P. It is packed in a RAR archive of 4.3 MB. It was first posted on 20 Jul 2021 and is available in 3 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-B843P.

For the same board you can also find a schematic, a boardview and board packs — see all LA-B843P files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
4.3 MB
Brand
Dell
Board number
LA-B843P
First posted
20 Jul 2021
Last posted
13 Jul 2025
Sources
3

Tags

MSGFrom the Telegram post

I have this

J1Download LA-B843P BIOS / EC firmware from Telegram

R1How to download DELL VOSTRO 3558 COMPAL LA-B843P BIOS

  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 DELL VOSTRO 3558 COMPAL LA-B843P BIOS.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-B843P. 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.