1. Joined : Apr 2014
    Denmark
    Posts : 207
    Windows 10 Pro
       13 May 2015 #1

    Can't upgrade from 8.1 to 10 - CPU less than 1 GHZ


    Click image for larger version. 

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    As the pic show, Windows 10 won't install. What to do??
      My System SpecsSystem Spec

  2.    13 May 2015 #2

    Hi. Could you provide us with your computer's specifications. If you're not familiar with how to do this go to piriform.com and download Speccy.
      My System SpecsSystem Spec


  3. Joined : Apr 2014
    Denmark
    Posts : 207
    Windows 10 Pro
       13 May 2015 #3

    As you can se on the pic to the right (CPU-Z) I have a core i7 4790K running at 4,5Ghz, 16 Gbyte ram, ASUS Maximus Ranger VII mobo, Samsung 840EVO SSD. Do you need to know more?
      My System SpecsSystem Spec


  4. Joined : Apr 2014
    Space coast of Florida
    Posts : 4,358
    Windows 10 Pro X64 14393.576
       13 May 2015 #4

    Read some threads where this happened in Windows 8.1 and flashing the BIOS fixed a few of them. You can check to see if there is a BIOS update for you system at the manufacturers web site.
      My System SpecsSystem Spec


  5. Joined : Apr 2014
    Denmark
    Posts : 207
    Windows 10 Pro
       14 May 2015 #5

    No new BIOS for my mobo. But I disabled "Intel Speed Step" and "Intel Turbo Mode" in BIOS under "CPU settings", and then it installed :-)
      My System SpecsSystem Spec


  6. Joined : Apr 2014
    Space coast of Florida
    Posts : 4,358
    Windows 10 Pro X64 14393.576
       14 May 2015 #6

    That was the next things I was going to suggest you try
      My System SpecsSystem Spec


  7. Joined : Jul 2014
    Serbia
    Posts : 7,002
    All kinds
       15 May 2015 #7

    Seems like "Intel Speed Step" is set too aggressive and installation didn't manage to load it up enough to jump over 1 GHz.
      My System SpecsSystem Spec


  8. Joined : Apr 2014
    Denmark
    Posts : 207
    Windows 10 Pro
       15 May 2015 #8

    CountMike said: View Post
    Seems like "Intel Speed Step" is set too aggressive and installation didn't manage to load it up enough to jump over 1 GHz.
    I don't think that is the case. If you look at the picture in #0 you can see, that the CPU is running ca 4500MHZ at the time. I ran Intel Extreme Tuning CPU Stress Test at the same time as running the setup.exe from Windows 10, and allthough the CPU-speed was ca 4500MHZ win10 claim the CPUspeed to be less than 1 Ghz, as shown in the picture.

    I think MS has to look into this install procedure again ...
      My System SpecsSystem Spec


  9. Joined : Apr 2014
    Space coast of Florida
    Posts : 4,358
    Windows 10 Pro X64 14393.576
       15 May 2015 #9

    I believe MS recommends removing any overclocking before install one of their OSes. Put it back once done.
      My System SpecsSystem Spec


 


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