Apple MA200Y/A iMac Manual - Page 81

local Mac OS X System folder., If the iMac freezes during startup or you see a flashing question mark - and flash

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Page 81 highlights

To get support and contact information for the software that came with your iMac, go to www.apple.com/guide. If the problem occurs frequently, you may need to reinstall your system software (see "Reinstalling the Software That Came with Your iMac" on page 82). If the iMac freezes during startup or you see a flashing question mark  Wait a few seconds. If your iMac doesn't start up after a brief wait, shut it down by pressing and holding the power (®) button for about 5 seconds, until the iMac shuts down. Then hold down the Option key and press the power (®) button again to start up your iMac. When your iMac starts up, click the hard disk icon, then click the right arrow.  After the iMac starts up, open System Preferences and click Startup Disk. Select a local Mac OS X System folder.  If the problem occurs frequently, you may need to use Disk Utility (located on the Mac OS X Install Disc 1 that came with your iMac) or reinstall your system software (see "Reinstalling the Software That Came with Your iMac" on page 82). If the iMac won't turn on or start up  Make sure the power cord is plugged into the iMac and into a functioning power outlet.  If that doesn't work, press the power (®) button and immediately hold down the Command (x), Option, P, and R keys until you hear the startup sound a second time.  If you recently installed additional memory, make sure that it is correctly installed and that it is compatible with your iMac. Check whether removing the memory you installed allows the iMac to start up (see page 70). Chapter 5 Troubleshooting 81

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Chapter 5
Troubleshooting
81
To get support and contact information for the software that came with your iMac, go
to www.apple.com/guide.
If the problem occurs frequently, you may need to reinstall your system software
(see “Reinstalling the Software That Came with Your iMac” on page 82).
If the iMac freezes during startup or you see a flashing question mark
Â
Wait a few seconds. If your iMac doesn’t start up after a brief wait, shut it down
by pressing and holding the power (
®
) button for about 5 seconds, until the iMac
shuts down. Then hold down the Option key and press the power (
®
) button again
to start up your iMac. When your iMac starts up, click the hard disk icon, then click
the right arrow.
Â
After the iMac starts up, open System Preferences and click Startup Disk. Select a
local Mac OS X System folder.
Â
If the problem occurs frequently, you may need to use Disk Utility (located on the
Mac OS X Install Disc 1 that came with your iMac) or reinstall your system software
(see “Reinstalling the Software That Came with Your iMac” on page 82).
If the iMac won’t turn on or start up
Â
Make sure the power cord is plugged into the iMac and into a functioning
power outlet.
Â
If that doesn’t work, press the power (
®
) button and immediately hold down the
Command (
x
), Option, P, and R keys until you hear the startup sound a second time.
Â
If you recently installed additional memory, make sure that it is correctly installed and
that it is compatible with your iMac. Check whether removing the memory you
installed allows the iMac to start up (see page 70).