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820-3023-A Need bios to test

J

jadao

Member
Hello there,

820-3023-A, fan spins, no chime, directly white screen but no image, red light on mouse and cpu gets warm.
No liquid at all, no reaction to PRAM with internal keyboard and external usb keyboard (with the internel disconnected).

Unfortunately i don't have an identical donnour board to try another Bios even thought I would have to clean ME later. Other than that I have no clue because no apparent damage even near bios area...

This post is similar to Paul Daniels 's one : https://www.rossmanngroup.com/boards/forum/board-repair-troubleshooting/37572-solved-820-3023-a-bios-required at the exception that I have white screen.

I can't access aprendiz link, can you please upload the link or grant me access?
Thanks
 
J

jadao

Member
Waw, fantastic! it works, boards chimes and boots.
I will try to copy my original ME over this working test bios.
 
J

jadao

Member
I changed the serial + MLB numbers.
And copied the original 17D000 length block over the working bios. Is that what you refer to entirr Fsys block?
Thanks!
 
J

jadao

Member
Thanks! Awsome, it works great and ASD EFI passed. Before it did'nt found the override file because only system and mlb serials were changed...
Now all is good. This post can be marked solved!
 
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