Windows 10 won't load CPU not supported

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  1. Posts : 6
    Windows 7 Pro SP1
       #1

    Windows 10 won't load CPU not supported


    I have an older home build computer. Main board is an ACER AST690, CPU Pentium D 2 core 3.4 GHz, OS Win 7 Pro SP1 When I first tried to load Win 10, I was running an Pentium 4 672 HT-Vt, 3.8 GHz. I got a message that my CPU was not supported. Coreinfo indicated prefetchw was missing. I found the Pentium D 2 Core that has prefetchw. Win 10 still won't load from the start menu icon. I downloaded the isoimage of Win 10. It will load but as home addition which I don't want. My last check of compatibility of Win 10 was on 8-10-2015.
    Do I need to wait until after 9-10 for Microsoft to rerun the compatibility test? I really don't want Home Addition of Win 10, I want to upgrade from Win 7. Will I be able to load Win 10 after 9-10?
    Last edited by iamwotiam; 22 Aug 2015 at 22:33.
      My Computer


  2. Posts : 3,453
       #2

    What's the significance of 9-10?

    BTW editions have the same hardware requirements - personally I would just upgrade the CPU.
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  3. Posts : 6
    Windows 7 Pro SP1
    Thread Starter
       #3

    Superfly said:
    What's the significance of 9-10?

    BTW editions have the same hardware requirements - personally I would just upgrade the CPU.
    Thanks for your quick comment, Superfly. As I understand it, the Microsoft upgrade servers only check my compatibility once a month, based either on when I first became eligible or the first time I tried to load Win 10. It doesn't seem to matter how many times I check it from my computer, the 8-10 date stays the same and the report remains "CPU not supported". My comment is that Microsoft won't run an official recheck on my computer until after 9-10. (The compatibility rules state that Microsoft checks once a month.) Wait a minute, I just found a link to compatibility checker KB3035583 I'll get back on this. OK, KB3035583 was removed. the compatibility checker runs once a month. "The report runs automatically about once a month. If you installed apps or devices recently, or made changes to your PC, the report might not reflect these changes. " So I'm guessing i will just wait until next month's check.
    Last edited by iamwotiam; 22 Aug 2015 at 09:18.
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  4. Posts : 3,453
       #4

    I doubt there will be a difference buddy, why not try the 32-bit version - it has less restrictions particularly with <4Gb RAM.
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  5. Posts : 4,453
    Win 11 Pro 22000.708
       #5

    Superfly said:
    I doubt there will be a difference buddy, why not try the 32-bit version - it has less restrictions particularly with <4Gb RAM.
    While "iamwotaim" doesn't specify, I'd expect that the PC has the 32 bit version of Win7. (2GB of RAM.)

    Regardless, to get the free Win 10 upgrade to activate, it must be installed (once) as an upgrade. To do that, the "bitness" of the upgrade has to match that of the qualifying OS.

    I believe that you can clean install the other bitness if you've activated the Win 10 upgrade once.

    The versions of the Win 10 upgrade that I've seen from the Media Creation tool are for a single version. If "iamwotaim" was seeing Home, she/he/it must have downloaded Home, assuming the ISO was from there. (Are the Tech Bench ISOs different?)

    Does the upgrade from the ISO consult the Windows Update compatibility check? I believe not.

    I was unaware that if the PC failed the Windows Update compatibility check, that the check would be retried at intervals. (Weird. Would people normally be swapping out hardware over a month to try to bring the PC into compliance?)
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  6. Posts : 1,983
    Windows 10 x86 14383 Insider Pro and Core 10240
       #6

    The upgrade will check compatibility during setup. If it cannot run a 64-bit version it will fail.

    If a 32-bit version will work - you cannot upgrade a 64-bit Windows 7 etc to a 32-bit Windows 10.

    Sorry.

    You need to backup your 64-bit system and uninstall it, reinstall a 32-bit version of the same OS in its place, with the same product key, make sure it activates, and then upgrade it to a 32-bit version of Windows 10 if that will run.

    It is a PITA.
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  7. Posts : 6
    Windows 7 Pro SP1
    Thread Starter
       #7

    bobkn said:
    While "iamwotaim" doesn't specify, I'd expect that the PC has the 32 bit version of Win7. (2GB of RAM.)

    Regardless, to get the free Win 10 upgrade to activate, it must be installed (once) as an upgrade. To do that, the "bitness" of the upgrade has to match that of the qualifying OS.

    I believe that you can clean install the other bitness if you've activated the Win 10 upgrade once.

    The versions of the Win 10 upgrade that I've seen from the Media Creation tool are for a single version. If "iamwotaim" was seeing Home, she/he/it must have downloaded Home, assuming the ISO was from there. (Are the Tech Bench ISOs different?)

    Does the upgrade from the ISO consult the Windows Update compatibility check? I believe not.

    I was unaware that if the PC failed the Windows Update compatibility check, that the check would be retried at intervals. (Weird. Would people normally be swapping out hardware over a month to try to bring the PC into compliance?)
    No offence but "iamwotiam" is Byron, a 73 yr old Chem. E. The 1st computer I worked on was an IBM 1620 that filled a small room and loaded from punched paper tape. I joined "Insider" to get a jump on Windows 10. My pc is a homebuilt. The components are vintage 2009. An ACER AST690/APFH X64, main board with INTEL 946GZ graphics and INTEL Pentium D 2 Core. All components have up-to-date manufacturers drivers (no Microsoft). I originally purchased a Pentium 4 672 HT-VT because it would run my old XP programs. As it turned out, it didn't have prefetchw. It took me some time to find out that was what I needed. I searched out the Pentium D because for some reason known only to INTEL, it has prefetchw. The 946GZ chip accepted WDDM 1.0 & shows it in hardware manager. So I should be good to go when Microsoft decides to recheck. Sorry, I'm too lazy to look up the page that the recheck info was on. I could swap out the CPU to run Win 10 because they are cheap & available, if you know how to search out the specs.
    And, no, the upgrade from ISO does not check with Windows update compatibility check. I could load Win 10 now if I wanted Home Edition. I want Pro. version by upgrading my Win 7. I chose the 64 bit version when I downloaded the ISO.
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  8. Posts : 22,740
    Windows 10 Home x64
       #8

    I must be having a dense moment but what do you mean by:
    "Win 10 still won't load from the start menu icon"
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  9. Posts : 1
    Win7 Ultimate, Win7 Home Premium, Linux Mint
       #9

    I, too, received the "CPU not supported" message when I tried to upgrade my Win7 partition on my dual Opteron system. I had already resolved myself to leaving it as a Win7 / Linux system until I found the following thread (on another forum) this evening. I haven't had a chance to try it, but will likely try it in a few days. Perhaps it will help you.

    Your PCt compatible with Windows 10 / 8 Error (yes, I realize the link says Windows 8, but it's for 8 & 10)
      My Computer


  10. Posts : 4,453
    Win 11 Pro 22000.708
       #10

    iamwotiam said:
    No offence but "iamwotiam" is Byron, a 73 yr old Chem. E. (snip)
    And, no, the upgrade from ISO does not check with Windows update compatibility check. I could load Win 10 now if I wanted Home Edition. I want Pro. version by upgrading my Win 7. I chose the 64 bit version when I downloaded the ISO.
    Hello, Byron. Your response seems a little defensive. No criticism was intended.

    Do you think that only the Home version is available in a downloadable ISO? That's not true.

    I got ISOs from the Media Creation Tool site. I had to choose language, bitness (32 or 64), and version (Home or Pro). I got the Pro ISO for my two WIn 8.1 Pro X64 desktops, and Home for a laptop that had 7 Home X64.

    I once absent-mindedly tried to use the Pro upgrader on the Win 7 machine. I was asked for a key, and there was no "skip" button. The upgrade proceeded as expected when I used the Home version. (No key was requested.)

    Just to be clear: is your Win 7 Pro version X64? I don't see that stated explicitly anywhere.
      My Computers


 

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