27 inch imac

Hello everyone, I wanna set my newst 27inch iMac as the monitor of my dell laptop, I connector the two with the thunderbolt3 wire, but nothing happens. Command+F2 doesn't work also, some articles say the new iMac won't support as External monitor, I wonder whether there is method to implement that.

Okay, so I'm investing in a 2014 5k iMac with a Core i7-4790k, however, I'm having some issues... I'd like to edit 1080p, perhaps 1440p video with this iMac, however, I've heard that the R9 M290X with 2GB of VRAM just doesn't cut it for video editing. The M295X with 4GB of VRAM is apparently...

Hello everyone. I’m new here! And have a question that I would love some support with. I’m a musician and photographer who uses apps like Ableton, Logic, Final Cut Pro, and Lightroom, as well as plug-ins like Waves, U-He, and Arturia. I’m considering purchasing a late 2012 27-inch iMac off...