If I goto the task manager it says there is a process called "system idle process" and it is always at 95-100% cpu usage. However, if I look at the graph of cpu usage it shows that it is only at like ...

Hi,<BR> I'll be using my PC for a few hours normally and then all of a sudden my CPU usage will go to 100% and stay there. It is always the System (not System Idle Process) using up all of the CPU.

You can check your CPU usage on a PC or Mac using programs already installed on your computer, like the Task Manager and ...