cMP 5.1 with RX570 and Windows10 Driver-Problem

Discussion in 'Mac Pro' started by pitchbend69, Dec 4, 2018.

  1. pitchbend69 macrumors newbie

    Joined:
    Dec 4, 2018
    Location:
    Germany
    #1
    Hi, i hope you can help me.

    I installed the old ATI Radeon HD 5770 and the RX570 at the same time during the installation of Win10 in EFI Mode. I only had a signal at the HD5770. After all updates and a restart the device manager detects the RX570 and i had a signal. I removed the Radeon, made a restart and everything was fine. So i installed the newest AMD Adrenalin gpu driver. Now the Mac hangs in a boot-loop with no signal on the RX570. The only solution for me is to re-install Win10.

    My question: which drivers are you using for AMD gpu cards? Are the automatic windows-driver okay or should i use the official AMD drivers...but which version?

    THX

    Sorry for my english
     
  2. bookemdano macrumors 65816

    Joined:
    Jul 29, 2011
    #2
    You should reinstall Windows in legacy BIOS mode (see h9's tutorial in the "Windows 10 without Boot Screens" thread). Only keep your RX570 installed, don't use the 5770 at all--you won't need it.

    I have zero problems in Win10 with a Sapphire RX 580, so I think your issue may have something to do with the UEFI install.
     
  3. pitchbend69 thread starter macrumors newbie

    Joined:
    Dec 4, 2018
    Location:
    Germany
    #3

    Thx, i'll give it a try...which gpu-driver have you installed?
     
  4. bookemdano macrumors 65816

    Joined:
    Jul 29, 2011
    #4
    Just the default driver that Win10 installed automatically after first boot. It works fine for me but I don't game so it may be best to install the newest AMD-provided driver if you do.
     

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3 December 4, 2018