Does your computer toolkit include a Dremel? It may seem extreme, but a Dremel tool can be handy in a dire situation.
Excessive dust inside your Mac can cause performance problems.
Questions about iOS 7 have been pouring into the Mac 911 mailbag. Chris Breen answers the most common ones.
Micromat’s TechTool has a great toolset for Mac troubleshooting.
You launch Calendar, it appears briefly, and then--BLAMMO--it's gone. What causes this problem? Chris Breen shows you how to track down it (and similar problems).
Is your Mac starting up slowly? A mess of startup and login items might be to blame. Learn how to bend these computing curiosities to your will.
StatsBar shows you comprehensive stats about your Mac and allows you to free up inactive RAM either on demand or at a threshold.
It's more than a little helpful to have a small bootable device packed with your troubleshooting tools. Chris Breen explains how an iPod classic can be that device.
Thinking about performing that hardware repair yourself instead of going to a shop? Chris Barylick has some advice for potential amateur technicians.
Bjango's iStat Menus 4 does a better job than the competition when it comes to showing you what's going on inside your Mac.