MacDisplay — News, notes and guides https://macdisplay.app/news New versions, notes and guides on using a Mac you already own as a second display. en How to use a MacBook as a second monitor for another Mac https://macdisplay.app/news/use-macbook-as-second-monitor https://macdisplay.app/news/use-macbook-as-second-monitor Mon, 12 Oct 2026 12:00:00 +0200 Use a MacBook as a second monitor with MacDisplay. Learn the requirements and how Thunderbolt or Ethernet can support a wired workspace. MacDisplay 3.0.2: AI assistants for Mac and a second screen you can control with Siri https://macdisplay.app/news/macdisplay-3-0-2 https://macdisplay.app/news/macdisplay-3-0-2 Mon, 12 Oct 2026 10:00:00 +0200 Connect Claude or ChatGPT to MacDisplay, use Siri for your second screen, and choose what AI can do. Explore version 3.0.2 and download the free version. How to control two Macs with one keyboard and mouse https://macdisplay.app/news/share-keyboard-mouse-between-macs https://macdisplay.app/news/share-keyboard-mouse-between-macs Mon, 21 Sep 2026 13:00:00 +0200 One keyboard and mouse across two Macs, clipboard sharing, Lockdown mode, and how it combines with file transfer. How to transfer files between two Macs directly over a cable https://macdisplay.app/news/mac-to-mac-file-transfer https://macdisplay.app/news/mac-to-mac-file-transfer Mon, 21 Sep 2026 12:00:00 +0200 Drag and drop between two Macs over Thunderbolt or Ethernet: how it works, why it stays off Wi-Fi, and the speeds we measured. MacDisplay 3.0: your second Mac can now do much more https://macdisplay.app/news/macdisplay-3-0 https://macdisplay.app/news/macdisplay-3-0 Mon, 21 Sep 2026 10:00:00 +0200 Mac-to-Mac file transfer, one keyboard and mouse across two Macs, Lockdown mode and a completely redesigned in-app guide. MacDisplay Latency Test: 70–80 ms Mac-to-Mac in 5K https://macdisplay.app/news/macdisplay-latency-test-mac-to-mac https://macdisplay.app/news/macdisplay-latency-test-mac-to-mac Sun, 06 Sep 2026 10:00:00 +0200 Two photographed Ethernet Clock Test observations between an M4 Pro MacBook Pro and a 2017 Retina 5K iMac show displayed offsets of approximately 80 ms and 70 ms. How to use a 2014–2019 iMac as a second monitor https://macdisplay.app/news/use-imac-as-second-monitor https://macdisplay.app/news/use-imac-as-second-monitor Sun, 30 Aug 2026 09:00:00 +0200 Apple removed Target Display Mode, but the screen is still perfectly good. What you need, the four steps, and the two mistakes that waste an afternoon. MacDisplay 2.1.0: the picture is smoother, and your old Mac works far less. https://macdisplay.app/news/macdisplay-2-1-0 https://macdisplay.app/news/macdisplay-2-1-0 Sat, 29 Aug 2026 10:00:00 +0200 Automatic screen matching, a much lighter load on the Mac acting as your display, and the black screen fixed at the root.