Question PC will only start sometimes

Oct 14, 2019
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Hey

Hope someone can help out.
My PC will only start sometimes. It started 3 months ago, frequency increasing. Now i cant get it to start for 24 hours.
The PSU is a Seasonic Model SSR-550RM Active PFC F3.
I tried unplug the PSU cables and tighten the Motherboard cables.
If the PSU not in order why will the PC start sometimes then?
I tried to read some threads in here, but i am more confused now.
I dont mind buying a new PSU, i just dont understand whats going on.

Please assist

Best Regards
Ulf
 
Oct 14, 2019
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I got it started today. But i cant even guess why.
Power on button on front checked by swapping connections on motherboard with the reset button. But Power on button is working fine.
I am speculating about this discharge issue. If the PSU isnt "discharging", then it wont start because it still thinks its in "on mode".
I am just guessing here. Could use some help.
 

Fix_that_Glitch

Commendable
Mar 31, 2019
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I would think since your "power" will only come on every 24 hours your psu is failing or your mother board is. If you have an old psu sitting around perhaps use that and see if the pc powers up right away. If not buying a new psu would be the safest bet, and only set you back minimally if it is not the problem.
 
Oct 14, 2019
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Installed a new PSU Corsair RM650x.
Now PC will start every time, and turn on light lights up.
But fans, just turn a few times and then stop, and motherboard doesnt light up, means rest of PC isnt turning on.


PC had run since 20 oct. I just didnt turn it off.
 

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