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output problems

  1. Moorgan

    MP 1,1-5,1 Sony Bravia says no signal when Mac Pro is in Startup Manager

    I’m trying to update the OS of my 2008 Mac Pro from El Capitan to Monterrey using a 3rd party utility that configures Macs with dropped support to work with it (OpenCore Legacy Patcher). When installing I put it on the internal I only use for Time Machine as it had the free space and I didn’t...
    • Moorgan
    • Thread
    • el capitan 10.11.6 hdmi output hdmi problems mac pro (2008) opencore legacy patcher output problems sony bravia startup manager
    • Replies: 1
    • Forum: Mac Pro
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