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Thread: Win 8.1 upgrade not possible from 8.0 due to CPU?

  1. #17
    Dark side super agent
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    Re: Win 8.1 upgrade not possible from 8.0 due to CPU?

    The info I have is that the OPs original problem is down to the lack of CMPXCHG16b. However, this is problem is limited to only 64bit versions of Win8.1. 32bit version is fine.
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  2. #18
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    • artturnip's system
      • Motherboard:
      • Gigabyte GA-Z77-DS3H
      • CPU:
      • Intel Core i5 3570K
      • Storage:
      • Seagate ST1000DM003
      • Graphics card(s):
      • GTX660
      • PSU:
      • OCZ StealthXStream 2 500W
      • Case:
      • Antec Custom Case
      • Operating System:
      • Windows 8.1 64bit Pro with Media Centre
      • Monitor(s):
      • Asus VE228
      • Internet:
      • Plusnet 40/20 Fibre

    Re: Win 8.1 upgrade not possible from 8.0 due to CPU?

    Yep. As mentioned above. Most (if not all) programs are available for 32bit as well as 64.

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