BondiBondi blog
Why is my Mac slow?
A slow Mac is usually memory, one busy app, macOS catching up after an update, or heat. These guides show how to tell which, from real readings.
- October 10, 2026 · 4 min readWhy is my Mac so slow? How to find the real causeMac running slow? It usually comes down to one of a handful of causes. Here's how to tell which one it is, with real readings from a real MacBook Pro.
- October 10, 2026 · 3 min readWhy is my Mac slow after a macOS update?Mac slow after a macOS Sequoia or Tahoe update? It's re-indexing Spotlight, re-scanning photos and syncing iCloud. Here's what's running and how long it lasts.
- October 10, 2026 · 2 min readIs Spotlight indexing slowing down your Mac?When mds_stores and mdworker are busy, Spotlight is rebuilding its index. Here's how to tell, how long it lasts, and how to keep folders out of it.