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Is it possible to use a MacBook Pro as a second monitor for my iMac? Both of them have a Thunderbolt port.

If not, is there any other way?

8

You can not use your MacBook Pro as a second monitor for your iMac without additional software.

ScreenRecycler claims to allow you to expand your desktop across multiple computers.

Screen shot from ScreenRecycler website

As an alternative approach, Synergy (previously open source at synergy-foss.org) claims to lets you combine multiple computers into one. It will let you use both computers from a single keyboard and mouse.

Synergy

  • "ScreenRecycler is currently not compatible with OSX 10.11 or later." screenrecycler.com/download.html, Are there any alternatives now? – kaorukobo Dec 21 '18 at 3:11
  • 1
    Synergy does not appear to be open source, you have to purchase it. – jzadra Mar 17 '20 at 18:43
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    @jzadra it appears the developers have made Synergy a commercial product. The answer's Synergy link now points to the Internet Archive. – Graham Miln Mar 18 '20 at 6:43
-1

Apple Target Display (Thunderbolt method)

  • Make sure both computers are turned on and awake.
  • Connect a male-to-male Mini DisplayPort or ThunderBolt cable to each computer.
  • Press Command-F2 on the keyboard of the iMac being used as a display to enable TDM.

Check this link before: https://support.apple.com/en-us/HT204592

  • 1
    iMac as second monitor, not Macbook Pro as second monitor. – Antonio N Aug 29 '16 at 20:45

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