Target Display Mode is a useful feature for iMac owners who also own other Macs. It allows you to use the iMac’s display as an external screen for the other Mac. Unfortunately, Target Display Mode is ...

Forbes contributors publish independent expert analyses and insights. Brad Moon covers audio gear, Apple products and consumer tech. Back in 2015 I wrote about the iMac losing one of its best features ...

When the new M1 iMacs launched, we wrote about Target Display Mode being absent from the hardware. While Luna Display has offered a wireless alternative that works with all Macs for some time, a new ...

An iMac feature that lets the screen function as an external monitor for another computer. Thunderbolt-based iMacs starting in 2011 can only be a Target Display Mode (TDM) screen for computers ...

A while ago, Apple used to include a software feature with macOS on older iMac models. It was called Target Display Mode, and it allowed you to turn an iMac into an external display once your iMac was ...

Apple recently “Sherlocked” a company called AstroHQ, by that firm’s own acknowledgment, with a macOS 10.15 Catalina feature called Sidecar for converting an iPad into a secondary Mac monitor. Sidecar ...

When the iMac is updated with Thunderbolt, it will open up an interesting set of theoretical possibilities wrt to its use as an external display for a MacBook Pro. Depending on how Thunderbolt is ...

Apple has definitively stated that new 2017 iMacs will not support Target Display Mode, a feature that previously allowed some iMac models between 2009 and 2014 to use their built-in display as an ...

Because of the decreasing value of older computers and sometimes children leaving the nest and their old computers behind, you could wind up with an older iMac that no longer meets your day-to-day ...

I picked up a 21.5" iMac 2011 model (in 2011 no less, even though it's still the current generation ) and in the process I gave my trusty 13" MacBook Pro 2009 to my girlfriend after I swapped in a ...