Apple iMac (21.5 and 27-inch, Late 2009) - Manual (Page 57)

Chapter 4 Problem, Meet Solution 57
If you have trouble scrolling with your mouse
 If you have a mouse with a scroll ball and the scrolling feels rough or the scroll ball
isn’t scrolling up, down, or side-to-side, hold the mouse upside-down and roll the ball
vigorously while cleaning.
 See “Cleaning Your Mouse” on page 68 for more information.
If you have a problem using your iMac or working with Mac OS X
 If the answer to your question isn’t in this manual, look in Mac Help for instructions
and troubleshooting information. In the Finder, choose Help > Mac Help.
 Check the Apple Support website at www.apple.com/support for the latest
troubleshooting information and software updates.
If your date and time settings get lost repeatedly
 You may need to have the internal backup battery replaced. See “Learning More,
Service, and Support” on page 57 for information about contacting Apple for service.
Learning More, Service, and Support
Your iMac does not have any user-serviceable parts, except the keyboard, mouse, and
memory. If you need service, contact Apple or take your iMac to an Apple Authorized
Service Provider. You can find more information about your iMac through online
resources, onscreen help, System Profiler, or Apple Hardware Test.
Online Resources
For online service and support information, go to www.apple.com/support. Choose
your country from the pop-up menu. You can search the AppleCare Knowledge Base,
check for software updates, or get help on Apple’s discussion forums.