I bought a used M4400, with the T9600 chip on ebay about 1.5 years ago. It worked great. About 4 months ago it started slowing down. It would not run my audio DAW programs- (Audacity) without lagging or... locking up-(ProTools LE), even with about half of my 250G hard drive still free . I deleted ProTools and still had lagging problems. I bought Avira system speed up. I cleaned out all unnecessary files and reinstalled Win7 Home Premium. Then noticed the CPU temps were running as high as 107f. I replaced the fan and cleaned and repasted the heat shields on the CPU and GPU. Now when the Win updates are automatically installing on boot-up, sometimes my CPU temp spikes to 170f!! At other times it stays 78-97f. Does this sound like a bad processor, or?
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