Z_INFO_SERVICE_LENOVO_IDEAPAD_1_15IGL7_LCFC_JS47R_J557R_NM_E791.rar
BIOS / EC firmware for Lenovo 15IGL7 / JS47R / J557R · board NM-E791 · 4.1 MB · shared in 1 Telegram post.
TXTAbout Z INFO SERVICE LENOVO IDEAPAD 1 15IGL7 LCFC JS47R J557R NM-E791 BIOS / EC firmware
Z INFO SERVICE LENOVO IDEAPAD 1 15IGL7 LCFC JS47R J557R NM-E791 is a Lenovo 15IGL7 / JS47R / J557R BIOS / EC firmware dump for board NM-E791 — tested. It is packed in a RAR archive of 4.1 MB. It was first posted on 31 Jul 2025 and is available in 1 Telegram channel.
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 NM-E791.
For the same board you can also find a boardview and a schematic — see all NM-E791 files.
- Type
- BIOS & EC
- Format
- .rar · RAR archive
- Size
- 4.1 MB
- Brand
- Lenovo
- Board number
- NM-E791
- Model
- 15IGL7, JS47R, J557R
- Notes
- tested
- First posted
- 31 Jul 2025
- Last posted
- 31 Jul 2025
- Sources
- 1
Tags
MSGFrom the Telegram post
Z INFO SERVICE LENOVO IDEAPAD 1 15IGL7 LCFC JS47R J557R NM-E791 REV1.0 CLEAN TESTED OK DONE 100% TESTED OK BIOS
J1Download NM-E791 BIOS / EC firmware from Telegram
- Z INFO SERVICE BIOS - SCHEMATIC - BOARDVIEW @ZINFOSERVICECHANNEL1 · 31 Jul 2025Open post
R1How to download Z INFO SERVICE LENOVO IDEAPAD 1 15IGL7 LCFC JS47R J557R NM-E791
- 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 Z_INFO_SERVICE_LENOVO_IDEAPAD_1_15IGL7_LCFC_JS47R_J557R_NM_E791.rar to download it.
- Open it with 7-Zip (free) or WinRAR.
If a post was deleted, try another source above or search for NM-E791. 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.