Apple IMAC User Manual - Page 325

Make sure memory is installed correctly. If you hear one or more beeps, there may be a problem with the memory in your computer. If you recently installed RAM in your computer, check the installation instructions in the online documentation that came with your computer to make sure it is properly installed. Make sure you've used the proper type of RAM for your computer. If this doesn't solve your problem, return to "Problems" on page 7. Replace the computer's backup battery. If you have intermittent problems starting up your computer and the date is reset, replace the battery. See the online documentation that came with your computer for instructions on how to do this. Important Batteries contain chemicals, some of which may be harmful to the environment. Please dispose of used batteries according to your local environmental guidelines. Lithium (Li) Replacing the battery may affect the settings in some of your control panels, including the following: m Date & Time m Memory (information lost includes RAM disk settings) m Monitors & Sound m Keyboard and Mouse (or Trackpad) m AppleTalk ("Connect via" is set to the Ethernet port) m Map Make sure you make a note of the settings before you replace the battery. Note: You may also have to restore modem settings in any communications software programs you are using. If this doesn't solve your problem, return to "Problems" on page 7. 20 Chapter 1