If You Have a Problem 7-9REPLACING THE CMOS BATTERYYour system board uses a 3-volt lithium battery (see thefollowing figure) to maintain system configurationinformation. If your system fails to maintain systemconfiguration information, replace it with an identicallyrated battery from the same manufacturer.! CAUTIONRemoving the battery from the system boardcauses the computer to lose system configurationinformation. If you can, run the Setup Utility andprint out or write down your system configurationsettings. Then you can restore your system to itscurrent settings.! WARNINGThe battery can explode if it is incorrectly replacedor improperly discarded. Use only the same batteryor an equivalent type recommended by themanufacturer when replacing the battery.Lithium acts as a catalyst when exposed to waterand causes spontaneous combustion on contact.Discard used batteries according to themanufacturer’s instructions.
