Windows 8 and 8.1 Forums


My Video Card fails to operate under UEFI.

  1. #1


    Posts : 12
    Windows 8 64-bit Home Edition

    My Video Card fails to operate under UEFI.


    Hello gang.

    I am attempting to install a fresh copy of Windows 8, but I am coming across a *huge* problem.
    My video card seems incompatible with UEFI booting.

    My system works just fine in UEFI-mode via integrated graphics or with the graphics card my computer originally shipped with (Nvidia GeForce 1GB DDR3 GT620).

    However, my Radeon HD 6570 simply *will not* work when UEFI is enabled. (I can't even see a boot screen.)
    Ironically, the card does work when "Legacy Mode" is activated in the BIOS.

    Your thoughts?

    My System Specs
    Dell Inspiron 660
    Intel B75 Express Chipset
    Sapphire Radeon HD6570 1GB DDR3 PCI-Express x16 Video Card
    No OS (Blank hard-drive for the moment.)

      My System SpecsSystem Spec

  2. #2


    Posts : 22,582
    64-bit Windows 10


    Hello Shane, and welcome to Eight Forums.

    The "video card doesn't support UEFI GOP" type error is usually when you have your UEFI set to use "Ultra fast startup". If you change this to "Fast Startup" or "Disabled", your graphics card may work afterwards.

    Hope this helps,
    Shawn
      My System SpecsSystem Spec

  3. #3


    Posts : 12
    Windows 8 64-bit Home Edition


    Quote Originally Posted by Brink View Post
    Hello Shane, and welcome to Eight Forums.

    The "video card doesn't support UEFI GOP" type error is usually when you have your UEFI set to use "Ultra fast startup". If you change this to "Fast Startup" or "Disabled", your graphics card may work afterwards.

    Hope this helps,
    Shawn
    There is no such option in my BIOS. Furthermore, I do not see a "Video Card Doesn't Support UEFI GOP" error.
    It just simply will not run, period. I don't even see a boot screen with the card installed.

    Would turning off the "Secure Boot" option help? (Leaving UEFI enabled...?)
      My System SpecsSystem Spec

  4. #4


    Posts : 22,582
    64-bit Windows 10


    You could try, but I wouldn't think "Secure Boot" would interfere with the graphics card?

    If able, see if resetting your UEFI settings back to default may help.

    You might also try a different connection on the card and/or monitor.

    I do notice that the specs for your Dell Inspiron 660 says it only has a 300 watt PSU by default, and the SAPPHIRE HD 6570 recommends a 400 watt PSU. This could be something to look at as well.
      My System SpecsSystem Spec

  5. #5


    Posts : 12
    Windows 8 64-bit Home Edition


    Quote Originally Posted by Brink View Post
    You could try, but I wouldn't think "Secure Boot" would interfere with the graphics card?

    If able, see if resetting your UEFI settings back to default may help.

    You might also try a different connection on the card and/or monitor.

    I do notice that the specs for your Dell Inspiron 660 says it only has a 300 watt PSU by default, and the SAPPHIRE HD 6570 recommends a 400 watt PSU. This could be something to look at as well.
    I have tried setting my UEFI settings back to factory defaults: No success.
    I have tried using VGA input instead of DVI: No success.

    As for the power supply issue: I have used the Sapphire HD 6570 inside of a Lenovo m58, which has a 280 Watt power supply, and it worked perfectly.


    Thus far, it remains a mystery as to why I can not boot from UEFI. However, I do sincerely thank you for trying to assist me.
      My System SpecsSystem Spec

  6. #6


    Posts : 12
    Windows 8 64-bit Home Edition


    Does this help anyone?



      My System SpecsSystem Spec

  7. #7


    Posts : 22,582
    64-bit Windows 10


    Ah, I see now.

    "Boot Mode" is what determines if you use "UEFI" or "Legacy BIOS" instead.

    OPROM (Option ROM) is the firmware on adapter cards (ex: graphics card) that control bootable peripherals. The system BIOS interrogates the option ROMs to determine which devices can be booted. You would want to leave this set to "Load Legacy OPROM" for your graphics card to work since it doesn't support the UEFI driver.
      My System SpecsSystem Spec

  8. #8


    Posts : 12
    Windows 8 64-bit Home Edition


    Quote Originally Posted by Brink View Post
    Ah, I see now.

    "Boot Mode" is what determines if you use "UEFI" or "Legacy BIOS" instead.

    OPROM (Option ROM) is the firmware on adapter cards (ex: graphics card) that control bootable peripherals. The system BIOS interrogates the option ROMs to determine which devices can be booted. You would want to leave this set to "Load Legacy OPROM" for your graphics card to work since it doesn't support the UEFI driver.
    ---------------------------------
    Two Questions for You:

    1.
    Is it possible for my manufacturer, Sapphire, to support UEFI firmware in the future? Or will this card always be incompatible?

    2. If the card can eventually be converted over to UEFI firmware, or if I simply purchase another card that supports UEFI, will I have to reinstall Windows 8? As long as the boot mood is set to "UEFI," I'm pretty certain that I could just simply switch over to SecureBoot and disable "Legacy OPROM" without problems.

    Right?
      My System SpecsSystem Spec

  9. #9


    Posts : 22,582
    64-bit Windows 10


    Most likely not with a graphics card. It either compatible or not.

    You'll have to find a graphics card that is UEFI GOP compatible, but I'm not aware of any available yet.

    If one comes out, then you could just replace it like any other graphics card, except you'll be able to disable "Load Legacy OPROM".

    You should be able to use "Secure Boot" now if you like.
      My System SpecsSystem Spec

  10. #10


    Posts : 12
    Windows 8 64-bit Home Edition


    Quote Originally Posted by Brink View Post
    Most likely not with a graphics card. It either compatible or not.

    You'll have to find a graphics card that is UEFI GOP compatible, but I'm not aware of any available yet.

    If one comes out, then you could just replace it like any other graphics card, except you'll be able to disable "Load Legacy OPROM".

    You should be able to use "Secure Boot" now if you like.
    Before I respond, I just want to thank you once again for trying to help me. I really do appreciate it.
    --------------

    Now, to be clear, you are saying that I would NOT have to install Windows 8 again given the settings I have now. Correct? I could, in the future, install a new card or (theoretically) update the same card I have right now with UEFI specification, without any need for a wipe...Right?

    (By the way, it seems there *are* a few UEFI GOP compatible cards out right now, but you have to contact the manufacturer directly in order to receive the correct VBIOS/firmware update. Example here: Windows 8 booting - UEFI GOP not supported?)
      My System SpecsSystem Spec

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My Video Card fails to operate under UEFI.
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