Windows 8 and 8.1 Forums


Can i create one monitor can combine dvi and vga

  1. #1


    Posts : 9
    Windows 8.1 pro with media center

    Can i create one monitor can combine dvi and vga


    My windows 8.1 pro...my monitor dell...my pc OptiPlex 7010,...my graphic card Radeon 7470
    ...just asking if anyone know about this experience...

      My System SpecsSystem Spec

  2. #2


    IF you mean running two cables to the same monitor -- while some monitors do have two different jacks on the back, you can only select one jack for input at a time. You can't use both simulatenously.

    So, if that's what you're trying to do -- the answer is no.
      My System SpecsSystem Spec

  3. #3


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    You need to better explain what you want to do. Like Mark said, the Monitor will only except one input at any one time. It will use VGA or DVI but not both at the same time. You can go from DVI out to VGA in with an adapter. Providing the its a DVI-I output on the video card.
      My System SpecsSystem Spec

  4. #4


    Posts : 9
    Windows 8.1 pro with media center


    tq mark..and tq alpha...actually I just wanna to setup for uefi bios mode only..I means...if I want to enable secure boot..my dell monitor can't detect my D-vi port...and to detect my VGA intel port..i just takeout my graphic card radeon 7470 away...and if you any idea to configure this problem...I ready to know...I think the dell also still configure this problem..
      My System SpecsSystem Spec

  5. #5


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    I'm still having a hard time figuring out what you issue is but I'll give it a go anyway. So with your monitor connected to your dedicated video cards DVI port, you don't see your BIOS menu? The onboard video card is disabled as soon as an add in card is detected, that's why you have to remove it to use the motherboards VGA connector. What other ports are on your add-in card? Also, there may be a BIOS setting to tell the motherboard what card to use first. My BIOS has an option to set the PCIe as first choice for video. My BIOS shows when I have an add-in card connected. It will switch monitors depending on how many I have connected and what port they are on. My BIOS POST screen always shows on "a" monitor though. Is your monitor connected DVI to DVI?

    EDIT: I run three monitors on a NVidia GT 640, DVI, DVI, and HDMI to DVI.
      My System SpecsSystem Spec

  6. #6


    Posts : 9
    Windows 8.1 pro with media center


    okey thanks again alpa...my pc just have radeon 7470 with connected port HDMI and DVI...and my onboard just have VGA port..and new port.. I also don't know what jack is using...and my bios setting just have...auto...Intel or AMD...if I enable secure boot...my windows 8.1 upload fine...but my graphic card radeon 7470 cannot use...maybe I don't know to figure out....or..dell system had problem...
      My System SpecsSystem Spec

  7. #7


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Ah, look in the BIOS for a "Launch CFM" option. If it's disabled enable it and see if that fixes things. Your add in Video card likely doesn't have a UEFI BIOS or isn't UEFI compatible. I've read that the Launch CFM option should let you get around that.
      My System SpecsSystem Spec

  8. #8


    Posts : 9
    Windows 8.1 pro with media center


    okey alpha...I will try...if the problem solve..i will let you know..tq again
      My System SpecsSystem Spec

  9. #9


    Posts : 9
    Windows 8.1 pro with media center


    the problem are solve alpha...I tried to "Launch CFM in bios setting but I can't see it ...I did not know where is it was locate in my setting bios ..but my problem are solve after I install "dell update package command monitor 9.0" in dell update driver...when I enable it my secure boot uefi..my bios automatic can read my graphic card Radeon 7470 ...I think the problem is solve...if I had something new extra problem again..i will let you to know...and thankx again for your concern
      My System SpecsSystem Spec

  10. #10


    Posts : 9
    Windows 8.1 pro with media center


    Click image for larger version
      My System SpecsSystem Spec

Can i create one monitor can combine dvi and vga
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