here addtional information and full story :the provided a patched file (L390_Patched.bin) but seems to be not the same vesion as the original ,everything goes ok, when i flashed the original back , when plug the charger only power button blink several times but no display or activity ,unplug every thing and wait 15 minutes but the issue persist,flash back L390_patched.bin ,the computer turn on with display but only give option to enter setup via F1 ,when pressed nothing happened ,only black screen,any help is appreciated. attached screen with the L390_patched ,​...

strange , i flashed the file L390_patched provided by [USER="257580"]qayyum786[/USER] ,the procedure passed well as described ,then displaysto turn off, i turned off ,flashed back the original file ,only light blink on power button ,then nothing ,no display no beeps,unplug everythink ,and wait 15 minutes try again,nothing,flashed back the patched file ,now turn on display ok when try to enter bios just a black screen ,any help is apreciatted.qayyum786

i tried ,after flashing the patched bios ,i hear only sort of beeps ,no display .,

the log from ptcher : Using UEFIReplace to inject 2 DXE drivers...
[1/2] BootOption (GUID e0746c42-d3f9-4f8b-b211-1410957b9ff5)
[2/2] LenovoTranslateService (GUID 826bcf56-bac4-43f4-8ea1-8cdf0a121abd)

Looking for volumes to patch...
[1/1] NVRAM_EfiSystemNvDataFvGuid (checksum 2609h):
Not found... Skipping.

Done.

PATCH FILE: original_PATCHED.bin

Good luck.​

attached the original bios...

hi ,

please it is possible to unlock lenovo yoga l390 bios version 1.24?

i can read both bios 1 (25Q128JVSQ) and bios 2 (25Q80DVNIG) with eeprom reader. thanks...

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thanks for information,the motherboard is quanta G3BB N17E

please i have HP omen 17 an022nf with caps blink 5 3 ,need schematic to troubleshoot the issue.

thanks

Re: New Members - please post your introductions here

hi,im new in here but have a little bit knowledge in repair electronics ,so hope that i can help and get helped
Fouad from algeria