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Problem with Window 7, High CPU usage by "Deferred procedure calls and interrupt service routine" RRS feed

  • Question

  • Hi!

    I m using window 7 ultimate. I generally get high cpu usage, some time after login.

    I think probably after i use internet. According to Resource monitor "Deferred procedure calls and interrupt service routine" takes average cpu of 40%.

    I can't even end the process and also not able to find the cause.

    I have tried to disable hardware devices like audio devices, nic card etc.

    But CPU usage persists to be near 100%.

    My computer is not affected by any virus. I'm sure about that.

    One more problem i get is with Desktop window manager.

    It also consumes 5-10% cpu. Refresh also takes some time(not much, but still slower).

     

    Kindly suggest some solutions.

    Thanks in advance.

    Tuesday, February 15, 2011 1:12 PM

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