From bad expirience i never use clip, i always desolder chip and solder it direct on the pad that i connect to programmer. I try few times with different speed, and always get same problem......

I did everything as described in post #32, I used the BIOS extracted from the Lenovo site that you mentioned a few posts above. Now the laptop powers on quickly as it should, but when I try to shut it down, it won’t power back on. Instead, it keeps turning on and off without showing any display. When I disconnect the BIOS battery and reconnect it, then it starts up again. As long as I use the Restart option while the laptop is on, there’s no problem and it works fine — the issue only happens when I use Shut Down. Maybe I didn’t do something correctly in HxD. Here’s the .bin file that...

Ok sorry

I have a problem with the mentioned laptop. The laptop powers on but doesn’t display an image. I flashed the BIOS with a file I found in a Telegram group, and now the laptop turns on but very slowly, and it seems like it resets the BIOS every time. (The BIOS battery is working properly.) Sometimes it won’t power on at all, and I have to disconnect and reconnect the BIOS battery. This is my original BIOS dump, so I’m asking if you could help me solve the problem.

Laptop : IdeaPad 3 15IIL05
CPU : INTEL I5-10GEN
Model name : 81WE
SN: PF2ANM72
MTM : 81WE00GEIX...

I ordered rt809f programmer, changed wson8 chip, and flashed dump that you posted, laptop is working. ezp2023+ cannot write read wson8 chip... its good only for basic chips. You can lock this topic. Thanks...