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Thread ID: 94424 2008-10-28 22:40:00 Faulty motherboard ?? GR8Metal (14133) Press F1
Post ID Timestamp Content User
715543 2008-10-28 22:40:00 I've got a PC that doesn't boot up at all. When powered up, the power LED on the front of the PC appears and then turns off after about 1 second. The power supply still runs. I've installed a new power supply & RAM but still no go. Nothing is displayed on the monitor. No beeps or anything from the motherboard. I disconnected the hard drive, optical drive, floppy drive only leaving the power supply plugged it, still nothing when powered on.

I suspect the motherboard is at fault but wanted to get everyone's knowledgeable advice on F1 first. :thumbs:

The motherboard is a Foxconn 760GXK8MC Socket 754.

Cheers :)
GR8Metal (14133)
715544 2008-10-28 22:43:00 the battery on the motherboard might have died from the sound of it GameJunkie (72)
715545 2008-10-28 22:44:00 Did you reconnect the ATX 12v adapter, when you replaced the PSU?

If its got it on the mobo?

If this isnt plugged in, it wont boot

Thats what can happen (it turns off in a few secs, or its overheating)
Speedy Gonzales (78)
715546 2008-10-28 22:52:00 The battery tests fine.

Speedy - I made sure to check the 12v ATX plug first as I've forgotten to do that in the past. It's all securely connected to the board.....
GR8Metal (14133)
715547 2008-10-28 22:57:00 I would check the CPU then.

Remove the fan/heatsink and clean it. Then put some more paste on it. See if it makes a diff
Speedy Gonzales (78)
715548 2008-10-28 23:13:00 I removed the fan, heatsink and CPU . Removed all thermal paste . Removed the CPU from the slot and re-inserted . Applied paste and re-attached heatsink and fan . Reconnected and powered up . . . . still no go . . . small funeral service?? GR8Metal (14133)
715549 2008-10-28 23:21:00 Does it beep, if theres a speaker in the case??

If theres more than 1 stick of ram, leave one in then see if it boots.

If it doesnt boot, remove it then put the other stick in
Speedy Gonzales (78)
715550 2008-10-29 00:26:00 The motherboard has an on-board speaker which doesn't beep at all . The system only has 1x DDR400 module . I've removed the module entirely and booted but nothing . . . . . . no sound, no signal . . . . GR8Metal (14133)
715551 2008-10-29 00:39:00 Yeah.....motherboard. Time for a new one. pctek (84)
715552 2008-10-29 00:59:00 Thanks pctek.
I see there is someone selling a new Foxconn 760GXK8MC motherboard on trademe. Might have to jump in and get it.

Cheers for everyone's help.
GR8Metal (14133)
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