LENOVO_THINKPAD_W541_LKM_1_WS_MB_12291_2_48_4L013_021_OKOK_WORKING.rar

TXTAbout LENOVO THINKPAD W541 LKM 1 WS MB 12291-2 48 4L013 021 OKOK WORKING BIOS / EC firmware

LENOVO THINKPAD W541 LKM 1 WS MB 12291-2 48 4L013 021 OKOK WORKING is a Lenovo W541 / 4L013 BIOS / EC firmware dump for board 12291-2 — tested. It is packed in a RAR archive of 7.1 MB. It was first posted on 8 Aug 2023 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 12291-2.

For the same board you can also find a boardview — see all 12291-2 files.

MSGFrom the Telegram post

LENOVO THINKPAD W541 LKM-1 WS MB 12291-2 48.4L013.021 OKOK WORKING BIOS 100% OKOKOKOK TESTED OK 100%

J1Download 12291-2 BIOS / EC firmware from Telegram

R1How to download LENOVO THINKPAD W541 LKM 1 WS MB 12291-2 48 4L013 021 OKOK 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 LENOVO_THINKPAD_W541_LKM_1_WS_MB_12291_2_48_4L013_021_OKOK_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 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?