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Old 01-05-2014, 10:47 AM   #1 (permalink)
Junior Techie
Join Date: Sep 2011
Location: England
Posts: 92
Default PC lag/CPU usage spike

So this happens maybe a couple of times a day (that I know of).
My computer will lag for a few seconds and on task manager my CPU spikes from 0-5% (when PC is basically idling) up to around 40-50%. By lagging I mean I can't click on anything and programs freeze up.
It'll then respond for about a minute, but this will keep happening until I restart my computer. Sometimes my mouse pointer sort of disappears but I can still click on things.
I've run Memtest 86 for 3 passes, no problems there.
Any help is appreciated.
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