Slow Mac or battery drain?
The first days after upgrading to macOS 27 are slower and hotter than usual. How to confirm it's just indexing, how to help it finish, and the signs that something else is wrong.
14 practical guides
Start with evidence. Diagnose slowdowns, battery drain, and update problems before reaching for cleanup tools.
The first days after upgrading to macOS 27 are slower and hotter than usual. How to confirm it's just indexing, how to help it finish, and the signs that something else is wrong.
Software Update stuck on 'Checking for updates', or offering everything except macOS 27? The seven most common causes, how to confirm each one, and how to download the installer directly.
Golden Gate builds a new semantic index for Spotlight and Siri AI, hides the progress, and only works on it when your Mac is idle. How it works, how to tell it's running, and how to get it done faster.
The warning appears even on Macs with plenty of RAM and free storage. The two real causes, how to find the process responsible in minutes, and why 256 GB Macs on Golden Gate are more exposed.
Installing Golden Gate doesn't give you Siri AI. You have to match language settings, meet region rules, and join a waitlist. Every requirement, the EU exception for Macs, and what to do if you're stuck waiting.
Golden Gate removed AFP and dropped Time Capsule backups. What exactly changed, how to move your backups to a USB drive or a modern NAS, and whether the community Time Capsule workaround is worth it.
Some Golden Gate users say scrolling feels jittery or heavy, especially on 60Hz screens. What's behind it, how to tell whether it's indexing, your display, your mouse, or macOS itself, and the settings worth trying.
Stuck on 'Preparing macOS Golden Gate', 'About a minute remaining', or a failed install that boots back to your old macOS? What each stage is doing, how long is normal, and safe ways to get unstuck without losing data.
After upgrading to Golden Gate, some Macs show System Data at 200 GB or more. What actually hides in that gray bar, how to measure each part in Terminal, and which parts are safe to shrink.
Golden Gate brings better ultrawide support, but also a familiar wave of display complaints. How to fix flicker, low resolution after wake, 60Hz lockups, missing second displays, HDR, and DisplayLink docks.
After upgrading to Golden Gate, screenshot tools, window managers, and video call apps suddenly need permission again, or ask every month. What's by design, what's a stale permission, and how to reset it cleanly with tccutil.
Mission Control is the biggest complaint of Golden Gate's launch. How to tell a macOS problem from a utility problem, the settings that quietly change Spaces behavior, safe resets, and what to do with full-screen apps and multiple displays.
Silent headphone jack, AirPlay audio that won't route, audio utilities that break sound entirely, and plug-ins that vanished from Logic. How to find which part of the audio chain Golden Gate broke, and fix it.
Full Wi-Fi bars, nothing loads. A recurring report after upgrading to Golden Gate. How to find out whether it's your network, a VPN or filter, a privacy setting, or macOS itself, and fix it in the right order.