Mac Hardware

Some MacBook Air users have reported a problem (under Mac OSX Lion) that affects Skype and other wifi connection-critical applications.

Knowing that opening up your Mac may void your warranty, one of the best places to find detailed, illustrated directions is the

Disk Utility is invaluable if you know what it's for, but it's useless if you don't know you have it or ho

Here's how I advise people in certain circumstances - all Macs can do pretty much the same basic work.

Mac OS X needs at least 10% of the startup drive's capacity for temporary system use.