System process high CPU usage

Posted on 2009-04-17
Last Modified: 2013-12-01
I have a problem with the SYSTEM process using a heavy amount of CPU resource. My PC runs at 100% usage constantly and oddly it does not slow down in use.

I have used procexp to get more details and it tells me that the thread responsible is TID 108 NDIS.sys+0x6b85. The stack thread is as follows

Could anyone tell me what these do and why they would be using so much of my CPU?

If I kill the process using procexp CPU usage drops to normal and I do not notice anything not working.

Question by:KecoKev

    Author Comment

    Oops, sorry, I cannot kill the process, only suspend it.
    LVL 22

    Accepted Solution

    NDIS would point to your network drivers.  Have you tried updating those (wireless + wired)?
    LVL 6

    Assisted Solution

    Disable the network card and see if it works.

    Author Comment

    Thanks for pointing me in the right direction, the problem did indeed lay with my USB Wireless Adapter, an uninstall and download of new drivers provided the cure.

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