· 5 min readWhich old iMac can be a second screen? Every year, 2007–2020One table for every Intel iMac, from the white 2007 model to the last 27-inch 5K. What works with a Mac you buy today, and what Apple's own options still do.Blog
Guides and notes from the team behind Encore.
· 5 min readWhich old iMac can be a second screen? Every year, 2007–2020One table for every Intel iMac, from the white 2007 model to the last 27-inch 5K. What works with a Mac you buy today, and what Apple's own options still do.
· 4 min readTarget Display Mode explained, and why it diedFor a few years an iMac could be a plain monitor for another Mac with one cable and Command-F2. Here is exactly who can still use it, in Apple's own words, and what to do if you can't.
· 7 min readEvery way to use an old iMac as a monitor, comparedWritten by the people who make Encore, so we list our own limits first. Every price and requirement links to its source, checked on 1 November 2026.
· 5 min readThe 27 dB problem: why second-screen text looks softBlack text on a streamed screen looks fine. Links, syntax colours and red warnings don't, and more bitrate never fixes it. We measured why, and what does fix it.