Fast Startup can also prevent you from shutting down your PC. If the system fails to power off and instead sends you back to the login screen, chances are Fast Startup is to blame. Conversely, it may ...

Clues to the causes of Mac startup problems can be found by analyzing when in the boot process the system fails. Problems may be related to the power supply, battery, hard drive, logic board, OS ...

If you experience startup problems after installing an incremental Mac OS X update, it's logically important to check items that load at startup for conflict with updated components in the new release ...

Startup problems Some users have reported an inability to startup after installing Safari 4. Two of my four Macs (both PPC) no-longer boot now after installing Safari 4 beta. (My bad for installing a ...