Lenovo Yoga 7 HYG40 NM-D771 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | Yoga 7 HYG40 |
| Board number | NM-D771 |
| Board maker (ODM) | Compal |
| Device | Laptop |
| Format | RAR |
| Size | 5.4 MB |
| BIOS chip size | 16 MB |
| Marks | includes EC firmware |
| Added | August 19, 2025 |
| Updated | |
| Original file name | LENOVO_Yoga_7_HYG40_NM_D771_W25Q128FW1_8V_16MB_BIOS_&_KBEC.rar |
Where to get the file
Opens the matching file on RM Schematics, or its source details if it is not catalogued there yet.
Alternative links
No other copies are known yet.
Description
LENOVO Yoga 7 - HYG40 NM-D771 W25Q128FW1.8V 16MB BIOS & KBEC BIOS dump for the Lenovo Yoga 7 HYG40 laptop, board NM-D771 from Compal, supplied for a 16 MB flash chip and including the EC/KBC firmware. The file name references a W25Q128FW 1.8V part, which is the chip the dump was taken from, so you can compare it with the chip on your board before use. Technicians use a dump like this to reprogram the SPI flash with a programmer after a corrupted BIOS or a failed update. Confirm that the board number matches yours, and read and back up the original chip contents before writing anything.
For board NM-D771 the catalog also has 1 boardview file.
Description generated from the catalog data. ·
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Questions about this file
How do I flash this BIOS dump?
Write it to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and keep the original contents first, and check that the chip size matches the dump.
Will this BIOS work on my board?
Only if the board number and revision match: Lenovo Yoga 7 HYG40 NM-D771. Dumps from a different board or revision can leave the board dead.
What does “clean ME” mean?
The Intel ME region in the dump has been reset, so it can be used on another board of the same model. Keep your original dump and transfer serial numbers if needed.