Dell Precision 5540 Service Manual - Page 36
Coin-cell battery, Removing the Coin-Cell Battery
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Coin-cell battery Removing the Coin-Cell Battery 1. Follow the procedures in Before Working Inside Your Computer. CAUTION: Removing the coin-cell battery re-sets the BIOS settings to default. It is recommended that you note the BIOS settings before removing the coin-cell battery. 2. Remove the: a. base cover b. battery c. WLAN card d. hard drive e. fans f. heatsink assembly g. memory modules h. system board 3. Perform the following steps to remove the coin-cell battery: a. Turn the system board over. b. Disconnect the coin-cell battery cable from the system board [1]. c. Lift up the coin-cell battery [2]. Installing the Coin-Cell Battery 1. Replace the coin-cell battery in its slot in the computer. 2. Connect the coin-cell battery cable to the system board. 3. Turn the system board over. 4. Install the: 36 Disassembly and reassembly