PC shuts down randomly

November 3, 2012 at 05:32:16
Specs: N/A

there are some problems with my dad's computer. It shuts down at random moments,
and I can't figure out why. It shuts down without any warning, and doesn't reports any errors or issues of any kind at the next startup.

At first, I thought it had to do with the video card, since on most of the times the PC shut down, my dad was watching Youtube movies. (I tried turning hardware acceleration off in the flash player in YT, no luck). But it turned out that it's probably not that problem, since it also shuts down without performing any GPU-intensive actions, such as just reading mails of reading the newspaper online.

I noticed that the CPU seems a bit aged or something, since it peeks a lot to 100%, e.g. when opening Firefox. Once opened and all startup processes are finished, running idle the CPU usage is normal (e.g. 8%), but as soon as you click a new webpage for example, it peeks again to very high values.

I tried replacing the power supply, but it turned out that's not the problem.

He's running windows XP Pro SP3, on a PC with following specs:

CPU: AMD Athlon 64, 2200 MHz (11 x 200) 3200+
Motherboard: Asus K8V Deluxe (Chipset VIA VT8383 Apollo K8T800, AMD Hammer)
RAM Memory: 1024 MB (PC3200 DDR SDRAM)
Video Card: NVIDIA GeForce 6200 (128 MB)

If any further specs are needed, please let me know!

I really hope that someone can help me!

Kind regards

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November 3, 2012 at 06:28:16
"I tried replacing the power supply, but it turned out that's not the problem"

You didn't list the make/model/wattage or specs to either PSU. If you're not familiar with what to look for, you may have actually downgraded. For example, replacing a 350W with a 500W isn't an upgrade if the 350W was a decent quality unit & the 500W is a low quality $20 POS.

If it's not the PSU, then it's possible the CPU is overheating & the system is shutting down to prevent it from frying. Check the CPU temp in the BIOS or try temp monitoring software such as HWMonitor. It should be in the 30s at idle.


And if you haven't already done so, disable the auto-restart feature.


If your CPU regularly hits 100%, check for infection. When's the last time you did a full virus/malware scan from safe mode? And which security software do you use? If it's Norton or McAfee, considering dumping it & installing Microsoft Security Essentials & Malwarebytes Anti-Malware.


You should also install CCleaner-Slim & use it regularly:


And use MSCONFIG or CCleaner > Tools > Startup to manage the startup apps. There's no reason to have a bunch of crap loading in the background.


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November 3, 2012 at 10:23:14
Good advice from riider...please follow all of it. The shut downs are not really random; there is a reason and it might take some work to find out the why.

Audares Juvo

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