820-00165 waters damage, board start but it stop at 0.45A

yobad

Member
820-00165 water damage, board start but it stops at 0.45A
fan spin and CPU get hot
no signs for water was on the board, but the client said so
how to start the troubleshooting for this one?
 

2informaticos

Administrator
Staff member
Check for USB activity; use onboard USB port.
Test the board alone on the desk; nothing else connected, apart of power cable!

Post voltage for pins 7 & 3 of U1950.
Check for corrosion at J/U6100; clean the connector, if needed.
 

yobad

Member
okay, it is a bios problem.
I replaced it with another one it works but get stuck on the apple logo.
i need a clean bios dump and i change the SN.
i looked for it on the forum but all links expired
 

2informaticos

Administrator
Staff member
If you know how to (properly) change SN, should know how to clean ME too.
Manual method is already posted on the forum.

Post your SN and I try to build one; in case you have problems...
 

yobad

Member
thank you very much, installed the first one it works
also, I succeed to clean me region. for a third one.
 
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