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extend display

  1. paulodl

    iMac 27" not extending desktop with second monitor

    Hello everybody. I have a strange problem. I recently bought a new monitor (benQ PD2700U), and wanted to use it as a second display connected to my iMac Late 2013 27. Turns out it only shows the mac image when I'm in desktop "mirroring" mode. connection using a miniDisplayport to Displayport...
    • paulodl
    • Thread
    • benq monitor extend display imac 27 2013 monitor
    • Replies: 2
    • Forum: iMac
  2. blackxacto

    How do I restore Arrangements in System Pref/Display?

    19,1 iMac 10.15.3, Thunderbolt 3 /Thunderbolt 2 Apple adapter+Thunderbolt 2 cable to 17,1 iMac 10.15.3. I just want to extend my 19,1 monitor onto the 17,1 monitor, and I need Arrangements to show in System Preferences/Display window, but it is not there on either iMac. I have no trouble screen...
    • blackxacto
    • Thread
    • arrangements catalina display extend display system preferences thunderbolt 2 thundrbolt 3
    • Replies: 2
    • Forum: macOS Catalina (10.15)
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