pc shuts down when converting or rendering

By deviloutofnowhere ·
my pc shuts down without warning when i render a video file,burn dvd in nero or convert a large file to different format. the cpu is at 100%. (not always happening in nero either)

i think it may be overheating or power supply failure or something.

what is strange though is that it wont switch on from main power button on front of pc until i change the plug sockets over at wall and/or unplug supply from back of unit.(its almost as if the front button doesnt exist..even though the ethernet nic is lit up on back of machine.)

the fan appears to be working and have cleaned all dust from inside as well.

i have 704mb ram 2.16ghz processor xp media centre.

i am going to upgrade ram soon...but was wanting to resolve this issue first.

pc only started to do this recently...and have burned dvd's rendered video etc in past with no problems.
any suggestions you nice folks on here have would be much appreciated.


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Few more specs needed

by TG2 In reply to pc shuts down when conver ...

What CPU type and speed, and if you know, what brand of motherboard are in the system.

With these, additional options open up. One such thing, you may be able to get a program that is specific to your system (board or cpu) that would help you id the temperature of both cpu & mb ...

Recently I started having a similar problem, the only resultion was to get a new cpu...comparing the pre and post temperatures. the new cpu is running at half the temp.. so that tells me I was right.. the CPU was frying itself, so I'm now waiting for its RMA (3 year warrenty)

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In addition to TG"'s good ideas . . .

by OldER Mycroft In reply to pc shuts down when conver ...

If your CPU is indeed underpowered, yet the problem is a recent one - you might care to run an in-depth defrag, forcing your system to free every last drop of available free space into contiguous form.

Under-powered CPUs can benefit from maximum free space being available (and preferably lots of it!).

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