Until this time I can't find any good solution for my lenovo G40-70 blank screen problem. This "nightmare" started 5days ago right after I update the BIOS version under Windows environment. In fact, downloaded the G40-70 BIOS update from Lenovo legitimate download center.
I have tried all suggestions that I read from other internet forums, but nothing come up or not even close to what is expected. I tried unplug A/C adapter & remove batt pack, long-press power button for 15-20secs then plug-in back A/C adapter, but no success. I tried detaching Mboard battery by cutting-off one leg connection towards (+)polarity. I tried attaching an external LCD monitor and then repeat same steps that I did earlier. but no one came out well.
one more option I never tried yet, I thought of extracting the BIOS IC and try by using EEPROM flasher. The only thing was I dont have the proper steps of EEPROM flashing. I hope that there's somebody can help me or share knowledge regarding this matter.
thank you in advance...
harko
I have tried all suggestions that I read from other internet forums, but nothing come up or not even close to what is expected. I tried unplug A/C adapter & remove batt pack, long-press power button for 15-20secs then plug-in back A/C adapter, but no success. I tried detaching Mboard battery by cutting-off one leg connection towards (+)polarity. I tried attaching an external LCD monitor and then repeat same steps that I did earlier. but no one came out well.
one more option I never tried yet, I thought of extracting the BIOS IC and try by using EEPROM flasher. The only thing was I dont have the proper steps of EEPROM flashing. I hope that there's somebody can help me or share knowledge regarding this matter.
thank you in advance...
harko