After restart no recovery partition...

Discussion in 'Mac Basics and Help' started by wknr, Dec 10, 2018.

  1. wknr macrumors newbie

    Feb 12, 2016
    Please help:
    I have a MacPro 5.1 with Mojave.
    After a restart, the Mac was dead. No power up possible. Only after the short disconnect of the power supply could be switched on again. After removing a monitor output, a start sound came again. I can only connect one monitor since then. The graphics card is alright.
    - Only one monitor output
    - No recovery partition
    A new installation of High Sierra on another HD get the same problems.
    Does anyone have any advice?

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