Co-Authored By:
Asked by: Dairo Arrojo
technology and computing computer peripheralsCan you use an old iMac as a second monitor?
The 27-inch iMac has a bi-directionalMiniDisplayPort or a Thunderbolt port (depending on the model)thatcan be used to drive a second monitor. The sameMiniDisplayPort or Thunderbolt port can be used as a videoinputthat allows your iMac to serve as a monitorforanother Mac.
Keeping this in view, how can I use my iMac as a second monitor?
How to Use iMac As a PC Monitor
- Shut down the Windows PC and iMac.
- Plug the video cable into the Mini DisplayPort connector onyourPC's video card.
- Plug the second end of the video cable into the MiniDisplayPortconnector on the back of the iMac, to the left of theEthernetport.
- Turn on the PC and iMac.
Similarly, can you use a 2009 iMac as a monitor?
Yes an iMac will work as a screen foraregular PC, but only with 27" models of Late 2009,2010iMacs. If those conditions are met then theiMacsupports what is called Target Display Mode,akausing your iMac as a display.
Entering Target Display Mode
- Turn on your iMac, and make sure the other Mac isloggedin.
- Connect the Mini DisplayPort or Thunderbolt cable betweenthetwo computers.
- Press Command + F2 on the keyboard of the iMac that you wanttouse as a display.