Lenovo w541 LKM-1 WS MB 12291-2 28.4L013.021.rar
BIOS / EC firmware for Lenovo w541 / LKM-1 / 28.4L013.021 · board 12291-2 · 2.9 MB · shared in 3 Telegram posts.
TXTAbout Lenovo w541 LKM-1 WS MB 12291-2 28.4L013.021 BIOS / EC firmware
Lenovo w541 LKM-1 WS MB 12291-2 28.4L013.021 is a Lenovo w541 / LKM-1 / 28.4L013.021 BIOS / EC firmware dump for board 12291-2 — tested. It is packed in a RAR archive of 2.9 MB. It was first posted on 22 Nov 2020 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 12291-2.
For the same board you can also find a boardview — see all 12291-2 files.
- Type
- BIOS & EC
- Format
- .rar · RAR archive
- Size
- 2.9 MB
- Brand
- Lenovo
- Board number
- 12291-2
- Model
- w541, LKM-1, 28.4L013.021
- Notes
- tested
- First posted
- 22 Nov 2020
- Last posted
- 24 Apr 2022
- Sources
- 3
Tags
MSGFrom the Telegram post
TESTED OK TESTED OK 100%
J1Download 12291-2 BIOS / EC firmware from Telegram
- Boardview-laptop-phone-TV-bios.schematic @pepeelectronica · 24 Apr 2022Open post
- Laptex Laptop BIOS (LLB) @laptexlaptopbios · 10 Dec 2020Open post
- BIOS ARCHIVE | BIOS |Laptop Firmware & Tools @biosarchive · 22 Nov 2020Open post
R1How to download Lenovo w541 LKM-1 WS MB 12291-2 28.4L013.021
- Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
- You don’t need to join the channel. Tap the file Lenovo w541 LKM-1 WS MB 12291-2 28.4L013.021.rar to download it.
- Open it with 7-Zip (free) or WinRAR.
If a post was deleted, try another source above or search for 12291-2. 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.