LENOVO_IDEAPAD_15SIML2020_GS452_GS552_GS752_NM_C781_REV_1_0_2019.rar

TXTAbout LENOVO IDEAPAD 15SIML2020 GS452 GS552 GS752 NM-C781 REV 1 0 2019 BIOS / EC firmware

LENOVO IDEAPAD 15SIML2020 GS452 GS552 GS752 NM-C781 REV 1 0 2019 is a Lenovo 15SIML2020 / GS452 / GS552 BIOS / EC firmware dump for board NM-C781 — tested. It is packed in a RAR archive of 8.1 MB, board revision 1. It was first posted on 17 Jul 2022 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-C781 revision 1.

For the same board you can also find a boardview, a schematic and board packs — see all NM-C781 files.

MSGFrom the Telegram post

WORKING 100% TESTED OK 100%

J1Download NM-C781 BIOS / EC firmware from Telegram

R1How to download LENOVO IDEAPAD 15SIML2020 GS452 GS552 GS752 NM-C781 REV 1 0 2019

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_IDEAPAD_15SIML2020_GS452_GS552_GS752_NM_C781_REV_1_0_2019.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 NM-C781. 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?