Apple IMac - Message appears

Problems Starting Up
9
m Reinstall system software. (p. 21)
Computer freezes during startup or while you’re using your computer.
Try these solutions:
m Take notes. (p. 11)
m Make sure external devices are properly connected and turned on. (p. 14)
m Force your computer to restart. (p. 12)
m Resolve system extension conflicts. (p. 17)
m Test and repair the hard disk directory. (p. 21)
m Reinstall system software. (p. 21)
Keyboard or mouse doesn’t work.
Try these solutions:
m Make sure external devices are properly connected and turned on. (p. 14)
m Resolve system extension conflicts. (p. 17)
m Test and repair the hard disk directory. (p. 21)
m Reinstall system software. (p. 21)
Message appears
Message about system software appears.
Try these solutions:
m Take notes. (p. 11)
m Make sure you’re using the correct disk as a startup disk. (p. 16)
m Reinstall system software. (p. 21)
“Not enough memory” message appears.
Note: These solutions are for system software memory problems. For problems with
application memory, see “Problems With Applications, Documents, and Memory” on
page 23.
Try these solutions:
m Increase the memory available for system software. (p. 15)
m Check RAM disk settings in the Memory control panel. (p. 15)
m Resolve system extension conflicts. (p. 17)