Mac OS X Snow Leopard is a solid operating system, and it should give you many years of dependable performance. However, all computers eventually run into problems, and your Mac will likely not be an exception. To help you get through these inevitable rough patches, this chapter offers a few tried-and-true troubleshooting techniques.
Restart Your Mac 264
Unlock System Preferences 266
Force a Stuck Application to Close 268
Repair a Corrupt Preferences File 270
Reset a Forgotten Password 272
Repair Disk Permissions 274
Repair a Disk 276
Reinstall Mac OS X 278
If a hardware device is having a problem ...