HP550 HP750 NM-D491 REV 2.0 U2001.rar
BIOS / EC firmware for Compal HP550 / HP750 / U2001 · board NM-D491 · 25.8 MB · shared in 2 Telegram posts.
TXTAbout HP550 HP750 NM-D491 REV 2.0 U2001 BIOS / EC firmware
HP550 HP750 NM-D491 REV 2.0 U2001 is a Compal HP550 / HP750 / U2001 BIOS / EC firmware dump for board NM-D491 — tested. It is packed in a RAR archive of 25.8 MB, board revision 2.0. It was first posted on 30 Jun 2024 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 NM-D491 revision 2.0.
For the same board you can also find a boardview — see all NM-D491 files.
- Type
- BIOS & EC
- Format
- .rar · RAR archive
- Size
- 25.8 MB
- Brand
- Compal
- Board number
- NM-D491
- Model
- HP550, HP750, U2001
- Revision
- 2.0
- Notes
- tested
- First posted
- 30 Jun 2024
- Last posted
- 4 Nov 2024
- Sources
- 2
Tags
MSGFrom the Telegram post
HP550 HP750 NM-D491 REV 2.0 U2001 TESTED OK 100%
J1Download NM-D491 BIOS / EC firmware from Telegram
- GENERAL BIOS 💻💻 @generalbios · 4 Nov 2024Open post
- BIOS ARCHIVE | BIOS |Laptop Firmware & Tools @biosarchive · 30 Jun 2024Open post
R1How to download HP550 HP750 NM-D491 REV 2.0 U2001
- 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 HP550 HP750 NM-D491 REV 2.0 U2001.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-D491. 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.