Windows 8 and 8.1 Forums


Atikmdag.sys error won't start windows

  1. #1


    Posts : 2
    Win8

    Atikmdag.sys error won't start windows


    I have had trouble updating an ati radeon hd4830 graphics card on my hp envy. When I updated I would get bsod on win7. I decided to upgrade to win8. The upgrade would fail with no error code. So I do a clean USB install of win8. It completes the install an I start setting up win8, once I finish and it tries to boot into windows it crashes and says error video tor failure (atikmdag.sys). Also the screen usually goes to a really low resolution so it's hard to read.
    Any ideas what I can do?

      My System SpecsSystem Spec

  2. #2


    I ha a huge problem with the same computer. I then stumbled onto this site. ALL these drivers worked for my windows 8 & Windows 7 install.

    [Drivers] HP ENVY 15-1XXX (INTEL)
      My System SpecsSystem Spec

  3. #3


    Posts : 2
    Win8


    Ok thanks, so how can I update the driver if I can't log into windows? I'm basically stuck without an operating system now that I tried a clean install.
      My System SpecsSystem Spec

Atikmdag.sys error won't start windows
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