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 ...

If you have an old Mac, typically an unused iMac with its large built-in monitor, you might be wondering if you can use it as a display for a newer Mac. Wouldn’t it be great if you could plug your new ...

This week readers e-mailed in questions about Target Display mode in iMac systems, RAM purchases for Macs, and more. Topher, an avid Mac user for the past 15 years, has been a contributing author to ...

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 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 ...