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I am using 64 bit win 7, 2.3 GHz Processor, 3 GB ram, with a 300 Gig Hard drive. CPU is running at 100 percent with no visible apps running in Win Task Manager. This is a second hand computer and I don't have the win 7 software. What would be the most inexpensive way to wipe out and reinstall windows 7?

Don
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  • Do you have a product key for Windows 7? If it is a desktop then look on the sides for a sticker. If it a laptop then look on the bottom. – James P Oct 24 '14 at 13:48
  • Yes I do have the product key. I'm currently trying to see if their "Restore" function will work, but I would rather wipe it clean and do a fresh install. – Don Oct 26 '14 at 16:28
  • See http://superuser.com/questions/78761/where-can-i-download-windows-7-legally-from-microsoft for links to download a Windows 7 ISO from Microsoft. You can then burn it to DVD and use it to reinstall the OS using your product key. – James P Oct 26 '14 at 20:37

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I had this problem, whenever I turned on the pc, a service used 100% CPU, I discovered it was something related to Windows Update. I disabled the Windows Update and then restarted the PC that the problem did not happen anymore. Today I enable Win Update once a week just to download and install the necessary updates, then I turn again to the problem does not return.

Yuri Fraay
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  • Thanks. I did try and turned off win update. It didn't work. Still running at 100% cpu. – Don Oct 26 '14 at 16:32