The screen saver drops over your full-screen video on a Mac? A playing video does not count as activity. A hot corner that stops the screen saver fixed it for one iMac owner, and a longer timer helps too.
A big arrow pops up on your Mac every time you press Shift? It is a built-in feature, most likely Sticky Keys showing the key you pressed. Turn it off in Accessibility, Keyboard, and check Caps Lock too.
Spotlight misses files you know are on your external SSD? Rebuild that drive’s index from Search Privacy, check it with mdutil, and drag the drive into Terminal to get the path right. No reinstall needed.
HDMI monitors stay dark on your Thunderbolt dock’s DisplayPort outputs? A plain DisplayPort to HDMI cable is passive and needs a DP++ port. Two owners fixed it with active adapters, one per monitor.
On macOS 27 with Siri AI, Command-Space opens Spotlight, where Siri waits for typing. Apple’s own guide lists the ways to speak to Siri again, from the Siri key to Requests and Siri Classic.
The 2026 Studio Display has a downstream Thunderbolt 5 port for daisy-chaining. It works from a Thunderbolt 5 Mac, an owner confirmed. On a Thunderbolt 4 Mac, give each monitor its own port.
Since macOS 27, drag and drop can fail on the desktop and in Finder’s icon view. List view dodges it, Apple’s Use as Defaults makes it stick, and the Desktop folder in a Finder window covers the rest.
Macs restart with a kernel panic when a Studio Display XDR runs at 5K and 120Hz. Apple Support called it a software issue with no fix date. The refresh rate change that stopped it for owners.
After macOS 27, some Macs list an older Mac’s shared drives but cannot open them. What Apple Support said, the three routes that still work, and the copy that deleted its own source files.
Apple discontinued Walkie-Talkie with watchOS 27, and it cannot be downloaded again. What Apple’s page says, what happens to watches still on watchOS 26, and the three closest substitutes.