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Is my PSU failing?
Posted on 11/23/23 at 3:18 pm
Posted on 11/23/23 at 3:18 pm
Posting here instead of tech board because we have more knowledgeable people here IMO.
So at seemingly random intervals, my desktop is now cutting off. Haven't checked anything internal yet, like the CPU. It's been years since I've pasted it, so it's possible I need to do that. But I haven't really done anything to put a load on it IMO. So I'm wondering if I don't have a failing PSU.
So at seemingly random intervals, my desktop is now cutting off. Haven't checked anything internal yet, like the CPU. It's been years since I've pasted it, so it's possible I need to do that. But I haven't really done anything to put a load on it IMO. So I'm wondering if I don't have a failing PSU.
4
Posted on 11/23/23 at 3:25 pm to EarlyCuyler3
Sounds like it is failing, yes
Might be dusty and needs a cleaning inside the case to open up air flow to reduce heat
Might be dusty and needs a cleaning inside the case to open up air flow to reduce heat
This post was edited on 11/23/23 at 3:31 pm
Posted on 11/23/23 at 3:33 pm to jefforize
Kind of what I'm thinking as well, thanks. Maybe I'll take it apart tonight and try to clean and see. Could try repasting if I get really bored. 
Posted on 11/23/23 at 3:34 pm to EarlyCuyler3
Need a store open to get some duster though. 
Posted on 11/23/23 at 5:07 pm to EarlyCuyler3
When you say cut off, do you mean reboot or flat cut off and you have to press the power button again?
Is it doing this only under load or is it also happening while idling?
Is it doing this only under load or is it also happening while idling?
Posted on 11/23/23 at 5:25 pm to EarlyCuyler3
Run HW Monitor to validate it isn't overheating. Could be a thermal paste issue. Could be PSU.
Posted on 11/23/23 at 5:45 pm to EarlyCuyler3
Actually think it might have been a loose cable from the PSU. Fingers crossed.
Posted on 11/23/23 at 9:38 pm to EarlyCuyler3
My GPU under heavy AI loads will do the same, i would start with bad 1. PSU 2. RAM 3. GPU(if it's failing under gaming)
CPU's are really good about throttling now. I've tested several with fan unplugged and nothing crashed, it would just throttle down to basically nothing.
CPU's are really good about throttling now. I've tested several with fan unplugged and nothing crashed, it would just throttle down to basically nothing.
Posted on 11/23/23 at 10:08 pm to j1897
I think it really was the cable. Ran a test session in iRacing and have rebooted many times now and no further issues. Fingers crossed.
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