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PC Turning Off

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  • Storage
Last response: in Storage
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July 29, 2014 8:49:19 AM

Hello guys, last week I'm coming across this problem, when I am using my computer - when i'm playing games or sometimes just watching a video, my pc freezes and some weird buzzing sounds starts coming out from my headset, and it starts like buzzing non-stop, it does not stop till I turn it off, but lately what started to happen is it just turns offs without any freeze or sound, and other times I get the blue screen and it turns off afterwards, i tried cleaning the dust off my pc to no avail. I don't know what to do, help
Should I replace my HDD?

PS during one of these crashes, upon restarting HDD tried to fix itself, but yet still it did not prove to be succesful

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a b G Storage
July 29, 2014 8:57:00 AM

The most common cause for random shutdowns and restart is the PSU going bad. On cheap PSUs, this often starts becoming an issue within the first year or two.

What is your PSU model and how old is it? What are the rest of your PC's specs?
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July 29, 2014 9:16:02 AM

Windows 7, CPU Intel® Core™ i7-2600 3.4Ghz, 8gb ram, GeForce GTX 560Ti, 2TB HDD, i'm not sure what PSU i have, but my pc is dell xps8300
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a b G Storage
July 29, 2014 11:12:59 AM

It seems like Dell used house-brand PSUs in those. Not much info on them.

A HDD issue can cause the PC to lock up and possibly restart but turning off would be an unusual symptom for that.

If by "the HDD fixed itself" you mean that Windows decided to do a disk check, that is normal when Windows does not shut down normally: writes may have failed to complete cleanly due to the unexpected shutdown/reboot so Windows has to check the file system's integrity for any obvious signs of corruption.
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