Problem. upgrade to Windows 10

  1. Posts : 59
    Windows 7 Pro 64-bit

    Problem. upgrade to Windows 10

    I have a used HP desktop, came without hdd. Win7 label characters on box was right rubbed off.
    I placed a hdd and got Win7 Pro installed and activated on the computer using Raymond tool (HAL9000)

    then I was trying to upgrade (NOT clean-install) to Win 10. started no any problems. (Win 10 Pro) installing until end, at end of upgrade, Windows pop-up a message, error of missing Windows key. therefore its upgrade failed. (restored Win 7 Pro).

    Can this computer be upgraded to Windows 10 Pro? or have to be staying on Win 7. no free upgrade?

      My Computer

  2. Posts : 599
    Windows 7 Pro 64-bit / Windows 10 Pro 64-bit (dual boot)

    What's the exact serial number(S/N) and product number(P/N) on that HP desktop?

    If Windows 7 Professional SP1 had legally been activated in that HP desktop, you should've been able to upgrade it to Windows 10 Pro and activate it.

    Because you activated Windows 7 by other means, it's my guess that's why Windows 10 failed to activate.
      My Computer

  3. Posts : 59
    Windows 7 Pro 64-bit
    Thread Starter

    It's HP Elite 8200 CMT

    It's with a COA label on box. but really no way to read it except "Pro OA".
      My Computer

  4. Posts : 15,184
    Vista x64 / 7 X64

    You could use the correct hp slp
    rt click and run as administrator on the slp.cmd
    Problem. upgrade to Windows 10 Attached Files
    Last edited by SIW2; 25 May 2022 at 11:25.
      My Computer

  5. Posts : 59
    Windows 7 Pro 64-bit
    Thread Starter

    Thanks SIW2,

    It works for my HP Win 7 Pro.

    I did fresh-install Win 7 Pro again and took your tool to activate Windows. It's noticed that Win 7 activation is with HP OEM SLP key (While HAL9000 key is computer-specified).

    Weekend I am going to re-install/upgrade Win 10 and will post back the result. hopefully it can be upgraded to Win 11. I did test Win 11 saves memory a little. and runs fast a little, for this old HP computer.
      My Computer

  6. Posts : 15,184
    Vista x64 / 7 X64

    It is not mine, it is hp. Saves having to download the gigantic recovery iso file.
      My Computer

  7. Posts : 59
    Windows 7 Pro 64-bit
    Thread Starter


    I had stored HP Elite 8000 recovery file almost ten years (key F11 for HP System Recovery). This tiny tool (only 3 KB) right does same job. wish I knew of it early.

    I was reading a post by Philip Yip to upgrade this HP to Win 11.

    Windows 7 OEM - Applying OEM System Locked Preinstallation Activation - Windows 11 Installation Guides

    The procedure is clear. Hence once I obtained and read the HP tool from you. I could understand what the tool does (OEM.xrm-ms and SLP script). In early, HAL9000 was a wrong tool for this HP computer (its *.exe file also made me no way to verify what HAL9000 did).
      My Computer

  8. Posts : 59
    Windows 7 Pro 64-bit
    Thread Starter


    Win 10/11 install/upgrade went through smoothly in my test. Computer activation: Win 11/10 Pro. Windows is activated with a digital license

    Thank SIW2 for your help,
      My Computer


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