3 year old PC sometimes doesnt turn on

Andr3w

Andr3w

Andr3w

Soldato
Joined
6 Oct 2004
Posts
20,258
Location
England
Occationally i'll press the power on button and nothing happens, it's as if the PC is dead. I'll unplug/plug the kettle lead back in and I can hear the 'crackle' so I know there is power - but it still won't turn on. I'll unplug from mains, try a different socket etc - eventually the PC will start up. There doesn't seem to be anything specific that makes it work.

I can play demanding games etc and it's fine, maybe every 3-4 days it'll just have this weird issue of not wanting to turn on until i've messed around.

Just now, it turned on fine and I was browsing the internet and the PC died. Complete power loss - I assumed I had a powercut but I hadn't. Again the same thing happened, mess around with leads/swaping sockets etc and it eventually came back on - i'm typing on it now.

Any suggestions? I thought PSU but the PC is fine during demanding games, when the PSU would be under load.

2070 Super / Ryzen 3600x
 
Bad "BIOS" battery could also cause issues in starting up the PC.
Though it shouldn't cause random power losses once started.
Anyway it would be at least "cheap shot" to try changing it.

Unlike trying other PSU, unless you have one spare PSU.
 
Grimley said:
How old is the PSU? Make model & wattage please. have you checked the event viewer for possible causes?
Click to expand...
It's an EVGA SuperNOVA 650w PSU. Just about to hit 3 years old.

Are there any sort of tests or procedures I can try to narrow down which part might be on its way out?
 
I haven’t got access to another PSU to test, which is annoying! I don’t want to start buying things and swapping them to get nil affect.
 
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