Dont do a clean install / swap HD until you upgrade.

  1. Posts : 47
    Win10 Pro

    Dont do a clean install / swap HD until you upgrade.

    So I thought ok time to upgrade this laptop. Give it a speed boost too, by putting in a new SSD.

    However it won't allow me to activate because of Win 10 Activation failed (Error code: 0xC004C003) I think its because I didn't upgrade first, and just put the new HD in, and went in for ISO download and cleaned installed.

    I should be ok, in that I can throw my old HD in, and then upgrade, and then hopefully put my SSD back in and try the activation again.. If that doesn't work, I guess i'll need to install Win7 all over again, install the 2GB of patches and then upgrade. ugh.

    I wish MS would just allow us to use our older OEM product key.
      My Computer

  2. flhthemi's Avatar
    Posts : 238
    Windows 10 Pro

    I was using 8.1 then did the ISO upgrade. It activated and I had skipped entering the code at every prompt for it. THEN I did a clean/custom install. Deleted ALL partitions, created a new one and then installed. Skipped all the activation prompts and its installed and activated.

    Just sayin, that's how I did a clean install....might be a better way but that's all I could come up with. It would be nice if we could just use the Win 8 DVD or the code for it...
      My Computer


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