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Computer slow, displaying odd behaviour


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#1 tristan042

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Posted 20 December 2011 - 12:29 AM

Over the last few days my computer has been exhibiting some weird behaviour.

The issue is jerky mouse behaviour, as though the computer is working on an intensive task in the background. It's a damn fast PC, and currently the only thing I have open is firefox. I've changed the mouse and updated drivers to be sure. Same thing.

Possibly not related, but my wifi (which until recently has worked perfectly) is doing weird stuff. Dropping in and out, slow etc.

Any help would be most appreciated!

Thanks,
Tristan

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#2 tristan042

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Posted 20 December 2011 - 12:41 AM

Sorry in addition - Audio and video freeze randomly as well, similar to mouse freezing

#3 tristan042

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Posted 20 December 2011 - 05:26 AM

I've also found that an 'svchost' process being run by system has suspiciously high memory usage. When I killed it symptoms seemed to stop, but a bunch of other stuff i.e. aero effects, internet etc stopped working as well. The process restarted itself and symptoms have returned.




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