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 Working Inside Your Computer" on page 11. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 13.

For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance.

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

Prerequisites

1Remove the base cover. See "Removing the Base Cover" on page 14.

2Remove the battery. See "Removing the Battery" on page 16.

3Remove the primary hard drive. See “"Removing the Primary Hard Drive" on page 21.

4Remove the secondary hard drive. See "Removing the Secondary Hard Drive" on page 24.

5Remove the tertiary hard drive. See "Removing the Third Hard Drive (Optional)" on page 27.

6Remove the processor fan. See “"Removing the Processor Fan" on page 34.

7Remove the video-card fan. See "Removing the Video-card Fan" on page 36.

8Remove the processor heat sink. See "Removing the Processor Heat Sink" on page 39.

9Remove the video-card heat sink. See "Removing the Video-Card Heat Sink" on page 41.

10Remove the video card. See "Removing the Video Card" on page 43.

11Follow step 1 to step 8 in "Removing the Palm Rest" on page 45.

12Remove the speakers. See "Removing the Speakers" on page 66.

13Remove the power-button board. See "Removing the I/O Board" on page 69.

14Remove the display mini-card. See "Removing the Display Mini-Card" on page 75.

15Remove the system board. See "Removing the System Board" on page 81.

Removing the Coin-Cell Battery

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Alienware 17 R1, P18E owner manual Removing the Coin-Cell Battery