Jun 29, · Canadian Tech. In Task Manager, click on the Processes tab. Click on the Show processes from all users button at the bottom. You may be surprised at how big the list is. If you click on the CPU column heading, it will sort the processes in CPU usage order. It will be dynamic, so watch it. Nov 12, · Hi,Just done a clean install of Windows 7 home premium and system interupts is useing 50% of cpu usage when pc (desktop) is idle.I also installed it on a separate drive with no progs installed and still shows 50% of cpu usage when idle. Any idea how to fix this problem,i,ve run out of eliminations.I have 1gb of ram.
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