"yhan" wrote in message
ups.com...

remove the mainboard from the case. connected the memory and cpu, then
connect to the monitor. turned on, yes it powered up but after the
monitor got a display for a few seconds only, maybe 2 sec, it shuts
down. repeat the test and achieve same result. what causes the computer
to shutdown?bad/shorted motherboard?


It could be anything- incorrect PSU voltages, bad chipset, bad caps or,
about the worst scenario- CPU regulators! Don't use a CPU you value while
testing a motherboard- it could destroy the CPU very quickly indeed. My
advice- bin the mobo and get a new one.

Dave