August 20, 2007

Unit is Blackout(Case 1)

Unit: IBM Compatible PC
ATX-AMD Duron700
64 MB SDRam Mem
Problem(s) encountered: When unit is turned on,No Display-No Beep.But when you resocket mem or reset CMOS Batt unit, it intermittently starts up, but blacked out when you restart the PC.
Problem(s) Found: A defective Motherboard, ATX switching circuitry is not functioning properly
Service Done: Replace Motherboard
Note: We test all the other pheripherals on a known good motherboard before coming up a conclusion.

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