Re: LENOVO BIOS AUTO-PATCHER for Supervisor Password Removal




Just to confirm that the CPU peripherals are not toasted, I connected SPI lies from KBL_R_U42_BGA1356 to the logic analyzer.

It communicates, without a flash chip, but there is SPI communication, which means HW is OK....

Re: LENOVO BIOS AUTO-PATCHER for Supervisor Password Removal



After a lot of experimentation, I finally burned the flash chip. So, waiting for three new ones from the local components shop, also ordered CH341A to try with another programmer....

Re: LENOVO BIOS AUTO-PATCHER for Supervisor Password Removal



FT2230H + flashrom. Do you think it is a programmer? It verifies correctly....

Re: LENOVO BIOS AUTO-PATCHER for Supervisor Password Removal



The processor looks fine, at least it is not shorted and not overheating, I do not see any blown-up transistors or overheating components....

Re: LENOVO BIOS AUTO-PATCHER for Supervisor Password Removal

Guy!
Need help. Patched the original BIOS of T480 with the script.

The laptop stopped working:
After pressing the start button fan starts for a second, the power led blinks, the fan stops, and the laptop is completely dead, I can see the 3.3v applied to the flash chip, several times, turning the power on and off. It seems the laptop tries to start but encounters some unfixable error and turns off.

I have tried to reflash and repatch BIOS times. Now even the original BIOS(unpatched)...