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second screen

  1. S

    Luna Display vs. Sidecar: Which one is better for using an iPad as a second screen for a MacBook Pro?

    Hi, I need some advice on using my iPad as a second screen for my MacBook Pro. I have two options: Luna Display and Sidecar. Luna Display is a wireless device that connects the iPad to the Mac via Wi-Fi or USB, while Sidecar is a software feature of macOS Catalina and later that works with...
  2. Z

    Can you use iMac 2012 (High Sierra) as 2nd display with iMac 2020 Big Sur?

    I have an iMac 27inch, late 2012, currently running on High Sierra that is very tired and slow despite adding more RAM (currently on 32MB, I think). Thinking of getting new iMac in the new year which will obviously have Big Sur installed. Is there any way I can hook up my 2012 iMac as a second...
  3. C

    Windows on second monitor always go back to main iMac screen when screensaver comes on

    I have a 21" iMac running the latest OS. I have a second screen connected via a Thunderbolt-VGA adapter - I use the iMac screen for general use and the second monitor for showing a feed from my CCTV cameras. All works great except for the fact when the screen goes to sleep on my iMac and the...
  4. Raquel Soares

    iMac as Second Screen

    I have an iMac 2007 aluminum which I don't use it anymore and I also have an upgraded MacMini - late 2012 (16 GB 1600 MHz DDR3 - processor 2.3 GHz Intel Core i7) which is my main computer. I'd like to use my old iMac as a second screen but I'm not sure which kind of cable should I use it. Can...