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I have a Macbook Pro Mid 2012 that I'm trying to connect to my 21.5 inch iMac Late 2012 as an external display. I did some research and saw that I could use a HDMI to DisplayPort as a connector, but it does not work. Tried target display mode as well with it.
Im thinking I need thunderbolt to thunderbolt? Or would DisplayPort to DisplayPort work? Please let me know! Thanks.
This was called Target Display Mode and was discontinued. However you can try assuming you are using a version of Mac OS prior to 10.14.x. You will need to connect the 2 computers using Thunderbolt cable. I would recommend reviewing Target Display Mode FAQ
I would recommend buying an external display, why....iMacs are computers and not external displays for other computers.
This was called Target Display Mode and was discontinued. However you can try assuming you are using a version of Mac OS prior to 10.14.x. You will need to connect the 2 computers using Thunderbolt cable. I would recommend reviewing Target Display Mode FAQ
I would recommend buying an external display, why....iMacs are computers and not external displays for other computers.
This iMac is compatible with TDM. It's no longer being used which is why I want to turn it into an external monitor. It's also running MacOS Sierra which meets the requirements.
I bought the Thunderbolt cable and after multiple attempts, it worked. I had to log out, restart the computer, and in the log-in menu, it worked once hitting Cmd+F2. When I unplugged it and tried the same steps again, it no longer worked. Not sure if it's an issue with the Thunderbolt ports in the computers, or a bug. Any ideas? Thanks!
My recommendation is to get an external display. Target Display Mode is temperamental so you are pretty much on your own at this point. Sorry but I just don't recommend using Target Display Mode.
21.5 inch iMac Late 2012 use as External Display
