New OS build and CPU at 100%


  1. mackconsult
    Posts : 5
    Windows 7 Proffesional 64 bit
       New #1

    New OS build and CPU at 100%


    I am new to the forum and don't even now were to start with this issue except maybe give a little bit of background.

    Being a mechanical engineer I bought this dell m6400 about 1 year ago and did a new installation of a 256 GB SSD and Windows 7 Professional 64 bit. It has been a great laptop over the last year but just a couple of weeks ago I noticed that CPU utilization was going to 100% and it was slowing down big time, particularly when running my Solidworks installation.

    I tried deleting a few processes, and programs, even doing a repair but just could not figure it out.

    If I restart the PC CPU was fine but if I started opening up app's like office, IE, explorer, and solidworks with in about 5 minutes CPU would go to 100% and everything would start to slow down.

    This last weekend I rebuilt the machine all over again with fresh installation of the OS and app's. For a few days everything was fine, but now I am seeing happen again. Please somebody help me figure this out. I have been killing processes off but it makes no difference.
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  3. Mellon Head
    Posts : 3,487
    Win 7 Pro x64/Win 10 Pro x64 dual boot
       New #2

    Have you scanned for malware lately?

    What happens if you start up the machine and leave it idle (without opening any programs or apps) for a while, does the CPU go to 100% then?

    Have you added any new software in the past couple of weeks?

    Do both cores go to 100%, or is it just one?
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  4. mackconsult
    Posts : 5
    Windows 7 Proffesional 64 bit
    Thread Starter
       New #3

    Its a fresh rebuild so no I have not scanned for malware.

    When I first reboot and let it sit there it does not go to 100%.

    No I haven't added any new software.

    It was both cores going to 100%

    A few hours ago I rebooted and starting up and closing one app at a time. Then opening one, and another in combinations to see if I can repeat it. Right now I have explorer, IE, outlook, and solidworks all open and it is behaving properly.

    This is driving me nuts.
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  6. mackconsult
    Posts : 5
    Windows 7 Proffesional 64 bit
    Thread Starter
       New #4

    Ok so I uninstalled the AVG free 2015 client and it seems to have improved but I am still seeing some high CP usage.

    Here is the msinfo32.info file when AVG was running:
    http://71.236.195.251/wordpress/wp-c...systeminfo.zip

    Here is the resources image when AVG was running:
    http://71.236.195.251/wordpress/wp-c.../01/avgnsa.jpg

    After uninstalling AVG I am still showing a lot of CPU usage:
    http://71.236.195.251/wordpress/wp-c...all-of-avg.jpg

    My dell desktop workstation has the same setup as this laptop with no issue like this. This is crazy.
      My Computer
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