Only one core of two is showing/on

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  1. Posts : 70
    Windows 7 Home Premium 64 bit
       #1

    Only one core of two is showing/on


    I inadvertently shut off one core from msconfig>boot>advanced>number of processors,so now I only have one working.
    A system restore didn't help and I can't figure out how to enable from bios,if possible.
    Any help would be appreciated.
    Also did a google for answer but no luck there.
      My Computer


  2. Posts : 1
    Windows 7
       #2

    Dual-core and only one showing


    Hi,

    I had the same problem and here is the solution:

    1) type msconfig in "Run..." & hit enter
    2) click on "Boot" tab
    3) click on "Advanced options..."
    4) check the "Number of processors" box
    5) a pull-down box should appear and change to "2"
    6) click "OK" then click "Apply"
    7) reboot the system right away

    To check: open Control Panel after reboot, click on "Device Manager", click on "Processor" and you should see two appear!

    God Bless,
    Matt
      My Computer


  3. Posts : 70
    Windows 7 Home Premium 64 bit
    Thread Starter
       #3

    That was the first thing I tried.That is why I showed the path I took to unselect it.That is where I chose 2 to start at boot and then changed it back to 1 but that change back changed to setting so there is no option now for 2.Device manager says both processors are working correctly.No yellow or red x's. I can't change it the way you described.
    Hence my question here.
      My Computer


  4. Posts : 70
    Windows 7 Home Premium 64 bit
    Thread Starter
       #4

    Solved.
      My Computer


  5. Posts : 11,840
    64-bit Windows 8.1 Pro
       #5

    Mind sharing with the rest of the community????
      My Computer


  6. Posts : 70
    Windows 7 Home Premium 64 bit
    Thread Starter
       #6

    Sorry,,
    I went back into msconfig>boot>advanced and enchecked the processors box.
    Then I rebooted,and it booted properly so I went back msconfig>etc and in the box was a choice of 1 or 2 again,not just one.
    That had fixed the problem.
      My Computer


  7. Posts : 17,322
    Win 10 Pro x64
       #7

    Newt said:
    Sorry,,
    I went back into msconfig>boot>advanced and enchecked the processors box.
    Then I rebooted,and it booted properly so I went back msconfig>etc and in the box was a choice of 1 or 2 again,not just one.
    That had fixed the problem.

    Thanks for sharing how you solved that, it will help someone else in the future.:)
      My Computer


  8. Posts : 70
    Windows 7 Home Premium 64 bit
    Thread Starter
       #8

    There is a spelling mistake in my solution,,,it should read unchecked not enchecked.Just to clear up any confusion.
      My Computer


  9. Posts : 17,322
    Win 10 Pro x64
       #9

    Newt said:
    There is a spelling mistake in my solution,,,it should read unchecked not enchecked.Just to clear up any confusion.
    Thanks.
      My Computer


  10. Posts : 70
    Windows 7 Home Premium 64 bit
    Thread Starter
       #10

    You're very welcome.
      My Computer


 
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