Lenovo yoga 7 ARB7 bios bin file

[x52xx]

Hi, All

BIOS upgrade brick, Need bin file to flash.
Model: Yoga 7 ARB7
SN: PF3XNA16

bios file link:
https://newdriverdl.lenovo.com.cn/ne...S-K5CN42WW.exe

[SMDFlea]

Hi, All
BIOS upgrade brick, Need bin file to flash.
Model: Yoga 7 ARB7
SN: PF3XNA16
bios file link:
https://newdriverdl.lenovo.com.cn/ne...S-K5CN42WW.exe

You need to post a backup from the bios chip on your motherboard.You will need an SPI programmer to do that.

[x52xx]

You need to post a backup from the bios chip on your motherboard.You will need an SPI programmer to do that.

I update via google driver

[x52xx]

You need to post a backup from the bios chip on your motherboard.You will need an SPI programmer to do that.

BTW, due to i flash 44WW failed, so i prefer to downgrade to 42WW
below is 44WW link you can check, i backup is 44WW failed information with SPI programme.
https://download.lenovo.com/consumer...s/k5cn44ww.exe

[hoaca388]

I update via google driver

Yoga 7 14ARB7 - Type 82QF

[x52xx]

seems no lucky, no boot up, is that due to my backup file?

[hoaca388]

seems no lucky, no boot up, is that due to my backup file?

No, I think you have a hardware problem.