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no recovery

  1. P

    Imac mid 2011 white screen of death no recovery options

    Hi all, I am stuck with a fault I've never come across so hoping somebody can help me out? I have a mid 2011 27" iMac running 10.13.x The other day I was working and the screen 'glitched and shook'. Shortly after a vertical row of black and white blocks ran down the left hand edge of the...
    • Proxts
    • Thread
    • imac boot white screen no recovery
    • Replies: 11
    • Forum: iMac
  2. D

    MP 1,1-5,1 Mac Pro 5.1 black screen on startup

    Hi First off i‘m afraid I’m not very computer literate. in the process of upgrading my Mac Pro 5.1 2010 6-core 3.33. 5770 GPU. i recently got a Sapphire 580 GPU - I needed a ‘metal’ card in order to go from high sierra to Mojave. I managed to do the kext thing (following instructions) to get...
    • DCfilms
    • Thread
    • black screen mac pro 5.1 metal gpu mojave gpu no recovery not starting up sapphire 580 sonnet fusion dual sonnet usb-c pci
    • Replies: 3
    • Forum: Mac Pro
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