Dell 5423 owner manual Removing the Coin-Cell Battery

25 Removing 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.

CAUTION: Removing the coin-cell battery resets the BIOS settings to default. It is recommended that you note the BIOS settings before removing the coin-cellbattery.

Prerequisites

1Remove the memory module(s). 

See "Removing the Memory Module(s)" on page 11.

2Remove the optical drive. 

See "Removing the Optical-Drive Assembly" on page 15.

3Remove the keyboard. See "Removing the Keyboard" on page 19.

4Remove the palm-rest assembly. 

See "Removing the Palm-Rest Assembly" on page 25.

5Remove the battery. See "Removing the Battery" on page 31.

6Remove the hard drive. See "Removing the Hard Drive" on page 35.

7Remove the wireless Mini-Card. 

See "Removing the Wireless Mini-Card" on page 39.

8Follow the instructions from step 1 to step 4 in "Removing the System Board" on page 57.

Removing the Coin-Cell Battery 63