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[SOLVED]820-3437 No Chime No Display

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DannyRinc

New member
Water damaged board, typical suspects were bad.

U6100 termination points weren't continuous, fixed that. Replaced any corroded/damaged components.
Wasn't getting PM_SLP_S4_L and no PP5vS4Rs3 so had to replace u1900

Now fans spin up, green light & orange, but no full boot. No USB light up, CPU VCORE is at 1.72v and it doesn't get warm at all.

All power rails check out. U3900 area is a little warm, but there was no liquid damage around there so I don't think it's necessarily the culprit? I'd like to not have to remove it unless it comes down to it. Any suggestions?
 
ALB-Repairs

ALB-Repairs

Member
inspect u1950 before you send this out. If the V-core is present but the CPU doesnt get hot U1950 is the usual cause.
Check this before you send it out/sell it to prevent chance of returns
 
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DannyRinc

New member
Forgot to mention that I did replace U1950 prior to v-core being present. I've tested it out thoroughly and all tests check out fine. Been running for 5 hours, boots & shuts down fine, all functions operational. CPU gets nice and toasty.
 
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