m Make sure connectors are plugged in all the way. If you are unable to shut down your computer the normal way, unplug your com.ġ4 Chapter 1 Make sure external devices are properly connected and turned on. See the following section, “Quit Open Applications.” Force your computer to shut down. Problems Starting Up 13 If the computer freezes: Tr y quitting open applications.
Always try restarting the proper way: 1 If you can, save any open documents before restarting. Often you can eliminate a problem simply by restarting your computer, which clears the computer’s memory. 14) m Make sure you’re using the correct disk as a startup disk.
Problems Starting Up 11 Computer starts up from wrong disk Tr y these solutions: m Make sure external devices are properly connected and turned on. 15) Normal desktop doesn’t appear Screen is dark. 11) m Check RAM disk settings in the Memory control panel. 14).ġ0 Chapter 1 Disk corruption message appears on startup. 11) m Make sure external devices are properly connected and turned on. 21) Computer freezes during startup or while you’re using your computer. Problems Starting Up 9 m Reinstall system software. Tr y these solutions: m Make sure external devices are properl. 13) Single icon appears in middle of screen Icon with blinking question mark appears. Tr y this solution: m Force your computer to shut down. 12) m Increase th.Ĩ Chapter 1 Computer won’t shut down.
Tr y these solutions: m Make sure your computer is getting power. ħ CHAPTER 1 1 Problems Starting Up Problems Computer won’t start up, restart, or shut down Computer won’t start up.
#Revert to previous imac operating system mac os#
20 Replace the comp.Ĭontents 5 Testing Your Hard Disk for Physical Damage 50 5 Reinstalling Your Computer’s Software 53 Reinstalling System Software 53 Before Installing System Software 53 Reinstalling Mac OS System Software 54 Selecting Which Software to Install. 19 Make sure memory is installed correctly. 16 Make sure you’re using the correct disk as a startup disk. Your rights to the software are governed by the accompanying.ģ Contents 1 Problems Starting Up 7 Problems 7 Computer won’t start up, restart, or shut down 7 Single icon appears in middle of screen 8 Computer beeps 8 Computer freezes 8 Message appears 9 Normal desktop doesn’t appear 10 Hard disk.Ĥ Contents Re-bless the System Folder.
#Revert to previous imac operating system manual#
Under the copyright laws, this manual may not be copied, in whole or in part, without the written consent of Apple. Emergency Handbook Includes troubleshooting, hard disk repair, and software installation information for your iMac
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