Dell 5521, 3521 manual Replacing the Coin-Cell Battery

Replacing the Coin-Cell Battery

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 7. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

WARNING: The battery may explode if installed incorrectly. Replace the battery only with the same or equivalent type. Discard used batteries according to the manufacturer’s instructions.

Procedure

With the positive-side facing up, snap the coin-cell battery into the battery

socket on the system board.

Postrequisites

1Replace the system board. See "Replacing the System Board" on page 49.

2Replace the palm-rest. See "Replacing the Palm-Rest" on page 35.

3Replace the keyboard. See "Replacing the Keyboard" on page 29.

4Replace the optical-drive assembly. See "Replacing the Optical-Drive Assembly" on page 21.

5Replace the hard-drive assembly. See "Replacing the Hard-Drive Assembly" on page 25.

6Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)" on page 17.

7Replace the battery. See "Replacing the Battery" on page 13.

8Follow the instructions in "After Working Inside Your Computer" on page 9.

Replacing the Coin-Cell Battery 53