Turn old mac into second monitor

Above the Mini DisplayPort connector is an icon of a rectangle flanked by two vertical lines. Turn on the PC and iMac.

Turn 17 "screen into external monitor?

Right-click the desktop after the Windows desktop finishes loading, and select "Screen Resolution. This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. To submit your questions or ideas, or to simply learn more about It Still Works, contact us. You can find many contradictory answers to this question online.

And the truth is, it is possible to use iMac as monitor for PC , providing you have a compatible iMac and PC, and are using a right cable.

Use an iMac as an External Monitor

This post is going to show you not only how to use iMac as external monitor for PC with the right cable, but also the other way around, use PC as external monitor for Mac laptops or even iMacs. To use iMac as second monitor for PC, first you should make sure that your iMac can be used as a display.

Here are the iMacs that can be used as a second monitor. To use iMac with Thunderbolt port for monitor, your PC should has a Thunderbolt port so that you can use a Thunderbolt cable to connect the two computers together. Steps to use iMac as second monitor for PC.

Tip: To get a better result, you may need adjust the video output of your Windows PC so that it can match x , the resolution of the iMac's screen. Michael Michael 11 1 1 silver badge 4 4 bronze badges.

How to add a display to a Mac by using another Mac, iPad, or an HDTV | Macworld

Buy a monitor. Fix your iMac It's not economical nor efficient to to use an entire computer as just a screen. Allan Allan Thank you for this information.


  • Some iMacs can pull double duty as a monitor for other Macs.
  • Transform Your Old Mac into a Second Screen | Cult of Mac.
  • Connects Over WiFi or USB.
  • How to add a display to a Mac by using another Mac, iPad, or an HDTV.
  • Duet Display?

I appreciate your comments. Fixing the internal hard drive doesn't make the CPU any faster.


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NerdyDeeds NerdyDeeds 11 1 1 bronze badge. You don't have to be logged in on an iMac, so you basically need a single-button keyboard. Featured on Meta. Feedback post: Moderator review and reinstatement processes.

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