Windows 10: Can't rerun Compatibility check, after CPU not supported fixes??

  1.    26 Feb 2016 #1

    Can't rerun Compatibility check, after CPU not supported fixes??

    I have a Dell Studio 540 running Windows 7. The CPU is an Intel Core 2 Quad Q8300.
    The computer is around 5 years old. I am trying to upgrade this to Win10 but I am having problems with the Compatibility checker.
    (I should add that the Windows 8.1 compatibility check runs fine and shows NO issues)

    Initially, when Windows 10 compatibility check appeared on my computer I received an error saying the CPU was not supported”.
    Looking around at the time, I discovered there was a bug and some computers were incorrectly assessed.
    A few months later, supposedly once the Windows updates ran and corrected the compatibility bug, I did get a message saying my computer was in fact fine for an upgrade.

    I did not do the upgrade at the time, but when I tried the other day, I got the initial compatibility error message again stating my CPU is not supported.
    Running CPU-Z, under “Instructions” it is compatible with: SSE2, EM64T and VT-x. (see attachment)
    My BIOS supports XD and CPU-Z confirms correct compatibility as required for Windows 10.

    At the time, looking at Data Execution Protection under: “My Computer > Properties>Advanced System Settings> Advanced>Performance Settings> Data Execution Protection” all options were grayed out.
    I enabled it via a cmd prompt:
    bcdedit.exe /set {current} nx AlwaysOn
    bcdedit.exe /set {current} nx optin

    The result is that I could then enable DEP this way and I have selected “Turn on DEP for all programs and services except those I select”
    (see attachment)

    Hopefully all this solves the problem,
    however now the Compatibility check wont rerun (last reran a few days ago before I performed the above steps).
    I have tried the force rerun script as administrator: “schtasks.exe /Run /TN "\Microsoft\Windows\Application Experience\Microsoft Compatibility Appraiser"Yet the checker still wont rerun. I have also deleted the files in "C:\Windows\SoftwareDistribution\Download". and then run (as administrator) "C:\Windows\system32>wuauclt /updatenow" as some forums suggest.

    Still no luck in getting the compatibility check working – this is driving me crazy.

    Any ideas why I may be getting this error, and how would I overcome it?

    Attached Thumbnails Attached Thumbnails CPUz.JPG   DEP.JPG  
      My ComputerSystem Spec

  2.    26 Feb 2016 #2

    Have you tried just running the upgrade from a downloaded Windows 10 ISO file or a USB/DVD created from the Windows 10 ISO file? Or just click the Upgrade Now button here?:
    Windows 10
      My ComputerSystem Spec

  3.    26 Feb 2016 #3

    You don't need to run a compatibility checker. Your system will run Windows 10 fine.
      My ComputerSystem Spec

  4.    26 Feb 2016 #4

    thanks for the responses.

    How do I simply do the upgrade then because when I click the "Upgrade Now" button it open the Compatibility check & wont proceed.

    Or, by installing via the ISO on DVD, will i still be able to upgrade and keeps my apps and software etc?

      My ComputerSystem Spec

  5.    27 Feb 2016 #5

    When you make a USB flash drive or DVD from the Windows 10 ISO:
    If you just insert it with Windows running and just run setup.exe from within Windows, you will be doing an upgrade that will keep your programs and data.

    If you boot the computer from the USB flash drive or DVD, then you will be doing a clean install that won't keep anything.
      My ComputerSystem Spec


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