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boot menu

  1. T

    MP 1,1-5,1 MP 4.1/5.1 Recovery mode/boot screen won't work at all

    Hi! At start I'm very sorry for my English. It's not my mother tounge. I'm quite new in this. All I wanted is cheap Mac device that is quite powerfull so I bought 2009 Mac Pro with HD 5870. All I did was to change graphics card so I bought RX 470 and Installed it. Beacuse I wanted to play some...
    • Teezyiusz
    • Thread
    • black screen blinking dash boot camp boot menu efi efi boot mac pro (2009) recovery mode
    • Replies: 1
    • Forum: Mac Pro
  2. haralds

    Boot Menu on some large displays requiring DP1.2

    I have a Radeon 7970 driving a Dell U3818DW at 3840x1600. Nice curved display that works great using DP1.2. But no boot menu. Somebody else on this forum suggested forcing Dp1.1. The regular manual had no such option, but after some googling I found the solution. - Pop the on screen menu - Go...
    • haralds
    • Thread
    • 7970 boot menu dell monitor dp 1.2
    • Replies: 2
    • Forum: Mac Pro
  3. namethisfile

    Resolved Is there no way around missing Boot Menu for non-efi GPU's?

    Hey, So, I have a GTX 1070 running in my Mac Pro right now. But, I also have an RX 460 on the side. Is there anyway I can use either of these cards on the cMP with a boot menu, so I can run MacOS on an external drive? I tried pressing enter and a bunch of keys on a blank screen since I don't...
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