Chapter 14

Troubleshooting Your iMac


To keep your iMac running well, you need to perform basic maintenance, such as emptying the Trash, updating OS X and your apps with the latest fixes, and backing up your files. You may also need to troubleshoot your iMac, solving problems such as corrupt preferences files, disk permission errors, or drive failure.

Using OS X’s Help System

Reclaim Space by Emptying the Trash

Keep Your iMac Current with Updates

Back Up Your Files

Recover Files from Backup

Recover When OS X Crashes

Troubleshoot Corrupt Preference Files

Troubleshoot Disk Permission Errors

Repair Your iMac’s Hard Drive

Reinstall OS X to Solve ...

Get Teach Yourself VISUALLY iMac, 3rd Edition now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.