Dell Precision 530 Service Manual - Page 119
Computer Battery
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Computer Battery The 3.0-V CR2032 coin-cell battery installed on the system board provides power to retain the configuration, date, and time information when the computer is turned off. The computer battery is designed to provide years of service without being replaced. However, you may need to replace the battery if configuration or clock-related inconsistencies occur or if one of the following messages is displayed during the boot routine: Time-of-day not set - please run SETUP program or Invalid configuration information please run SETUP program CAUTION: There is a danger of the new battery exploding if it is installed incorrectly. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions. CAUTION: Before you perform this procedure, see "Safety First- For You and Your Computer." NOTICE: Before disconnecting a device from the computer, wait 10 to 20 seconds after disconnecting the computer from its electrical outlet. Before removing a component from the system board, verify that the standby power light on the system board has turned off. To locate this light, see "System Board Components." 1 If you have not already done so, make a copy of your computer configuration information in system setup. 2 If the settings are lost while you are replacing the battery, you can refer to your copy of the computer configuration information to restore the correct settings. 3 Turn off the computer and devices, disconnect them from their electrical outlets, and wait 10 to 20 seconds, lay the computer on its right side, and open the computer cover. 4 Remove the battery. To locate the battery on the system board, see "System Board Components." 119