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    • XC-705 No BIOS screen after adding dedicated GPU

    Member Posts: 2 New User
    in 2015 Archives

    I bought a dedicated GPU (AMD R7 250) for my XC-705. Since this upgrade I have to minor problems:

    1. I have no screen during boot. The display appears as soon as windows starts, but not on boot time. So I can't access the BIOS and I don't see the acer bootlogo

    2. Windows reports 2 attached screens, but I only have one.

     

    The integrated Intel HD 4600 GPU seems to be automatically disabled. Windows doesn't show it anymore on the Device Manager.

    I tried tried to attach the monitor back to the onboard HDMI and see if the BIOS is displayed there. But this output doesn't show up anything since i added the new GPU.

    I already have the latest BIOS Version P11.B4 installed.

    Answers

    • Member Posts: 2 New User

      Found the solution:

      Disable Secure Boot in BIOS Setting and Enable the "Launch CMS" option. Everything is working fine now

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