Weird power pulsing problem

belveder

OSNN Senior Addict
#1
This morning my second computer started playing up, it seemd to have no power, even the fans could only run at very slow speeds.

I thought the PSU was faulty so I put a spare Thermaltake 750 watt PSU in. Now when I turn the power, the lights and fans seem to pulse and nothing else happens.

I have tried it without any cards or accessories with no luck also checked the memory

Any help would be greatly appreciated
 

belveder

OSNN Senior Addict
#7
Just tried it on your suggestion, no difference, thanks anyway. This means that I have disconnected / unplugged every single plug on the mobo now. I'm think the mobo must have bit the dust?
 
#8
disconnect all your devices too. I'd suggest sliding optical drives forward to ensure no contact.

All you should have to power on is a bare motherboard (no cards, no ram, no devices plugged in. Then use a flathead screwdriver to turn the power on. If it still pulses take the board out the case and try it again.

If it still pulses you want a new board.
 

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