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Hi, so I built this PC recently out of some components I had already and some new components. The specs are: Intel Xeon X3440 not oveclocked with a stock intel heatsink MSI R9 270 ASUS P7Q57-M DO Motherboard 500GB Seagate Pipeline (refurbished) Aerocool 500W Integrator 80+ Bronze (brand new) 8GB Micron 1333MHz I was planning on using this for some light GPU mining on the side but I noticed it would shut down after a few hours.
To troubleshoot I left it idling with nothing running and it would still shut down after a while. I tried to take out the GPU and while I couldn't see anything on the display because it has no integrated graphics, it still managed to turn off after a few hours. One thing to note is that the PC usually shows a flashing power LED light after turning off on its own which apparently means it is in sleep mode but I have disabled all of the sleep modes.
Everything has always been completely clean with no dust whatsoever. I've replaced the thermal paste on the CPU and added an exhaust fan. I even left the side panel off and pointed a big desk fan at the case and kept everything at around 35C but it still turned off after a while.
Things I've done so far:
-Reinstalled Windows 10
-Changed all of the power settings to 'never' and turned off fast startup
-Replaced the CMOS battery / Switched the jumpers
-Updated the BIOS
-Changed thermal paste -Kept temps at 35C
-Checked for any damaged capacitors (none are damaged)
-Checked bios and tried changing suspend modes to S1 and S3 (no option for off)
At this point I have no idea if it is software or hardware because I've tried basically everything that I could find software related and as for hardware I decreased the load substantially and kept the temps really low. I'm quite desperate a this point as literally nothing I've done has helped so any suggestions are GREATLY appreciated.
Thanks for reading!
**UPDATE** I just ran the PC for a while without any hard drive to test whether it was the OS causing it and it shut down again. This must mean it is hardware/BIOS related.
**SECOND UPDATE** Just tested the PSU with just a fan connected and managed to stay on for ~3 hours. Now testing the system without RAM.
**THIRD UPDATE** PC just turned off after 1h 54 minutes with no RAM in it, exactly the same amount of time as I recorded yesterday when doing tests. Can this be a BIOS fault if there is no RAM?
To troubleshoot I left it idling with nothing running and it would still shut down after a while. I tried to take out the GPU and while I couldn't see anything on the display because it has no integrated graphics, it still managed to turn off after a few hours. One thing to note is that the PC usually shows a flashing power LED light after turning off on its own which apparently means it is in sleep mode but I have disabled all of the sleep modes.
Everything has always been completely clean with no dust whatsoever. I've replaced the thermal paste on the CPU and added an exhaust fan. I even left the side panel off and pointed a big desk fan at the case and kept everything at around 35C but it still turned off after a while.
Things I've done so far:
-Reinstalled Windows 10
-Changed all of the power settings to 'never' and turned off fast startup
-Replaced the CMOS battery / Switched the jumpers
-Updated the BIOS
-Changed thermal paste -Kept temps at 35C
-Checked for any damaged capacitors (none are damaged)
-Checked bios and tried changing suspend modes to S1 and S3 (no option for off)
At this point
Thanks for reading!
**UPDATE** I just ran the PC for a while without any hard drive to test whether it was the OS causing it and it shut down again. This must mean it is hardware/BIOS related.
**SECOND UPDATE** Just tested the PSU with just a fan connected and managed to stay on for ~3 hours. Now testing the system without RAM.
**THIRD UPDATE** PC just turned off after 1h 54 minutes with no RAM in it, exactly the same amount of time as I recorded yesterday when doing tests. Can this be a BIOS fault if there is no RAM?
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