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external display not being recognised

  1. M

    Monterey 12.6 external monitor is not seen

    MB air m1, yesterday i plugged my mac to an external display, no problem. Left it for a night, just closed the mac. Next day morning the display is not detected by mac although its plugged as it was the day before when it was working. Anyone else has this issue? (the adapter works) My idea is...
    • Majeszczak
    • Thread
    • external display issue external display not being recognised macbook air m1 2020 macos 12.6 monterey 12.6
    • Replies: 19
    • Forum: macOS Monterey (12)
  2. J

    MacBook Pro 15 2018+ Dell UP2715K, Can't detect external display

    I've got my hands on a Dell UP2715K and am trying to use it as an external display for my Macbook Pro (15, 2018). I have a DisplayPort - HDMI cable and a Satechi dock. When I connect them together, neither can detect each other. With the Satechi dock, I haven't experienced any problems...
    • jwroycechoi
    • Thread
    • external display not being recognised macbook pro 15 2018 macbookpro 2018
    • Replies: 1
    • Forum: MacBook Pro
  3. E

    External Display breaks on macOS Monterey 12.2

    After updating to Monterey 12.2.1, my external monitor no longer registers in its previous (correct) resolution. Its muuuuch lower now. I changed settings in my normal 1920x1080 resolution isnt even an option (yes I tried option+click and SMC reset). I have a second external monitor and that too...
    • evanb9
    • Thread
    • external display external display not being recognised external monitor macos monterey 12.2.1
    • Replies: 23
    • Forum: macOS Monterey (12)
  4. Shaun Collier

    Kernel Panics after updating to macOS 10.15.5 and external display no longer works

    Hi I have just updated to 10.15.5 hoping to fix the bug where my external display would not wake when my 2019 Macbook Pro 16 inch woke from sleep. However after installing the update I have had 5 crashes in 1 hour and my laptop no longer recognises my external display, or TV. I have pasted one...
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