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Thread: Windows UEFI install worth it when graphics card isn't?




  1. #1
    genegold is offline Member
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    Default Windows UEFI install worth it when graphics card isn't?

    I'm about to do a clean install of Win 8.1 to see if that will solve the problems discussed in a prior thread. One question: wiht the Z97-UD5H-BK board, is there any benefit to doing a Windows UEFI install if the graphics card, a Sapphire HD7750 Ultimate graphics card, is not UEFI and there aren't any UEFI drivers for it, official or otherwise (I've looked)? Thanks,
    ASRock Z97 Extreme6 / Intel i7-4790K
    32 GB G.Skill DDR3 2133 RAM (Ares 4x8gb)
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    Audio system: Dac + Powered speakers + USB card + LPS + power cond./distrib.
    Windows 10 Pro x64

  2. #2
    mjgr33n is offline Junior Member
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    Default Re: Windows UEFI install worth it when graphics card isn't?

    If you disable CSM completely, does the BIOS screen display on the monitor attached to the HD7750 with DEL, END, F12 options etc?

  3. #3
    genegold is offline Member
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    Default Re: Windows UEFI install worth it when graphics card isn't?

    If it doesn't, then how would I switch back?
    ASRock Z97 Extreme6 / Intel i7-4790K
    32 GB G.Skill DDR3 2133 RAM (Ares 4x8gb)
    EVGA GTX950 SC
    Prolimatech Megahalems Rev. C cooler w/ Nexus Silent Fan
    Seasonic X650 PSU
    Samsung Pro 850 256GB SSD (system drive)
    SanDisk ExtremePro 480, Seagate 1TB, 2TB and 2x 3TB SATA 6Gb/s
    Plextor PX-891SA CD/DVD Writer/Player
    Dell U2412M Monitor (1920x1200)
    IBM Model M keyboard / Bornd M120 wireless mouse
    Thermaltake F31 Case
    Canon MP640 / Brother HL-2270DW printers
    Audio system: Dac + Powered speakers + USB card + LPS + power cond./distrib.
    Windows 10 Pro x64

  4. #4
    mjgr33n is offline Junior Member
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    Default Re: Windows UEFI install worth it when graphics card isn't?

    Quote Originally Posted by genegold View Post
    If it doesn't, then how would I switch back?
    BIOS reset, there will be 2 pins on your board that you can short to do such, your motherboard manual should show you where etc.

  5. #5
    genegold is offline Member
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    Default Re: Windows UEFI install worth it when graphics card isn't?

    Ok, I'm familiar with that button. I went ahead with the Win UEFI version and set CSM to Always in advance. The reason was that info I found said that screen problems were common with a non-UEFI graphics card and changing to CSM solved it. The computer has been running well, so is it really worth playing with?
    ASRock Z97 Extreme6 / Intel i7-4790K
    32 GB G.Skill DDR3 2133 RAM (Ares 4x8gb)
    EVGA GTX950 SC
    Prolimatech Megahalems Rev. C cooler w/ Nexus Silent Fan
    Seasonic X650 PSU
    Samsung Pro 850 256GB SSD (system drive)
    SanDisk ExtremePro 480, Seagate 1TB, 2TB and 2x 3TB SATA 6Gb/s
    Plextor PX-891SA CD/DVD Writer/Player
    Dell U2412M Monitor (1920x1200)
    IBM Model M keyboard / Bornd M120 wireless mouse
    Thermaltake F31 Case
    Canon MP640 / Brother HL-2270DW printers
    Audio system: Dac + Powered speakers + USB card + LPS + power cond./distrib.
    Windows 10 Pro x64

  6. #6
    mjgr33n is offline Junior Member
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    Default Re: Windows UEFI install worth it when graphics card isn't?

    Quote Originally Posted by genegold View Post
    Ok, I'm familiar with that button. I went ahead with the Win UEFI version and set CSM to Always in advance. The reason was that info I found said that screen problems were common with a non-UEFI graphics card and changing to CSM solved it. The computer has been running well, so is it really worth playing with?
    The only reason I suggested was purely to make sure that the motherboard did or did not load in uefi driver for display.

    As for the install question, installing in uefi mode for Windows 8.1 will be fine if you have csm enabled so that the legacy option roms are installed for gpu compatibility sure, the benefits are increased boot speed and bigger hard drive support at boot up.

    You will be fine.

  7. #7
    genegold is offline Member
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    Default Re: Windows UEFI install worth it when graphics card isn't?

    Thanks.

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