Lenovo LOQ 15 APH8 (7840H, 4060) BIOS chips not detected

[shan109]

Problem: Soft Bricked Laptop, Lenovo LOQ 15(Geekpro G5000) 7840H, 4060

Background: After adjusting the Advanced BIOS options (Fn+R+N) and accidentally changing settings about RAM & Graphics, pressed F10 (Save & Exit), then Blank(Blank) screen, led power lights on - soft bricked occured.

Goal:To reset the BIOS Chip/s to be able to boot back to the machine

Attempted:
I tried to dump and reflash a BIOS file with CH431A clip on:

winbond
25Q16JWIQ 2309 6222 DGA400ZX
winbond
25R256JWEQ 2239 6236 M0022

Results: Chip not detected

I also tried to do the BIOS Crisis recovery method (Fn+R on startup), but the laptop seem not to read the bios file (7zip: extracted ILG50039.ROM file from LYCN39WW.exe). The charging light turns amber and led power lights turn off, then simply restarts back to blank screen.

Regarding the Crisis recovery, I am not sure if I got the correct file and renamed it properly. I read on other forums that this method will not work if the file is not renamed correctly. I tried to rename the ILG50039.ROM file to "LYCrisis.bin", "LYCN.bin", "ILG50039.ROM", "ILG50039.bin" but nothing changed.

I also tried to use "ISpillMyDrink/UEFITool" to extract further the "ILG50039.ROM" file and renamed it to the above file names to no avail.

Are the any programmers or softwares that can detect the above BIOS chips?
Also, are there any other ways to flash/reset the bios to revive the laptop?


I hope that you can give me any advice moving forward on other things I can do to try to revive this bricked laptop? Thank you.

[hoaca388]

Re: Lenovo LOQ 15 APH8 (7840H, 4060) BIOS chips not detected

Problem: Soft Bricked Laptop, Lenovo LOQ 15(Geekpro G5000) 7840H, 4060

1.1.1.6. CH341A
Supports I2C (24-series), SPI (25-series).

This programmer is not recommended but it is the cheapest programmer available.
It has several shortcomings:
Limited interfaces support, only SPI and I2C
Several different software with varying level of reliability and ROM IC support (especially troublesome with 128Mb and larger ICs)
Several different hardware design, some of them having design defects
No proper detection of communication issue with the ROM IC

Available software include: NeoProgrammer, Colibri, AsProgrammer, Flashrom…
Read the guide there: https://winraid.level1techs.com/t/gu...rammer/32948/3

If you have a black PCB, it is very likely that it needs to be modified for 3V operation instead of 5V. Failing to do so could damage the ROM IC.
Watch the instructions there:
https://www.youtube.com/watch?v=-ln3VIZKKaE
https://www.youtube.com/watch?v=HwnzzF645hA

[danito]

Hi, ich habe das gleiche Problem, zu viel im erweiterten Bios rumgespielt, jetzt nur noch schwarzer Bildschirm, die Tastatur scheint nicht zu funktionieren, obwohl die Tastaturbeleuchtung sich schalten l

english only!

[djshan0027]

ILG50 LA-M811P REV A 15 APH8


NO DISPLAY ITS ON AND OFF ITS SELF

[SMDFlea]

ILG50 LA-M811P REV A 15 APH8


NO DISPLAY ITS ON AND OFF ITS SELF

post the laptop serial number