Why is my graphics card only displaying 742 MB

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  1. Posts : 22
    Windows 7 Ultimate x64
       #1

    Why is my graphics card only displaying 742 MB


    Hello,

    I have a ATI Radeon HD 5770 Graphics Card and have noticed in both the dxdiag utility and on systemrequirementslab.com that I have 742 MB graphics.

    I know I have a 1 GB graphics card and GPU-Z also shows that I have 1024 MB video memory available.

    I have attached a screenshot below.

    Ben.
    Attached Thumbnails Attached Thumbnails Why is my graphics card only displaying 742 MB-graphics-card-problem.jpg  
      My Computer


  2. Posts : 236
    .
       #2

    i would suggest starting with a complete uninstall of the drivers, use a sweaper to clean any remnants and reinstall.
      My Computer


  3. Posts : 22
    Windows 7 Ultimate x64
    Thread Starter
       #3

    gazz9496 said:
    i would suggest starting with a complete uninstall of the drivers, use a sweaper to clean any remnants and reinstall.
    Sorry I should have mentioned this is a fresh install of Windows, would you say Perfect Uninstaller would be a sweeper to clean any remnants up?
      My Computer


  4. Posts : 6,879
    Win 7 Ultimate x64
       #4

    Bug in dxdiag,

    Direct-X diagnostics tool (DXDIAG) may report an unexpected value for the display adapters memory.

    Not an AMD thing as it can happen with Nvidia cards as well.
      My Computer


  5. Posts : 22
    Windows 7 Ultimate x64
    Thread Starter
       #5

    stormy13 said:
    Bug in dxdiag,

    Direct-X diagnostics tool (DXDIAG) may report an unexpected value for the display adapters memory.

    Not an AMD thing as it can happen with Nvidia cards as well.
    Ah okay, I asked someone about it today and they told me a very similar thing, so it's nothing to really be worried about?
      My Computer


  6. Posts : 6,879
    Win 7 Ultimate x64
       #6

    If something like this,

    GPU-Z Video card GPU Information Utility

    shows the correct memory amount, then I wouldn't worry about it and wait for Microsoft to put out the update that fixes it.
      My Computer


  7. Posts : 22
    Windows 7 Ultimate x64
    Thread Starter
       #7

    That's okay then, GPU-Z is showing the correct memory amount of 1024 MB on my PC.

    My laptop has 512 MB video memory although dxdiag shows it has 2249 MB which I know for sure is incorrect.
      My Computer


  8. Posts : 6,879
    Win 7 Ultimate x64
       #8

    Actually what your laptop is showing is this,

    Video Memory Virtualization - A Brief Guide
      My Computer


  9. Posts : 22
    Windows 7 Ultimate x64
    Thread Starter
       #9

    Thanks for the Video Memory Virtualization guide Richard. I may wait and see what Microsoft come out with update wise for this bug in dxdiag.
      My Computer


  10. Posts : 10
    windows 7 home premium 64bit
       #10

    quick question... what website has that bf3 test on it?
      My Computer


 
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