Installing The Wlan Card; Removing The Coin-Cell Battery - Dell Precision M3800 Owner's Manual

2. Remove the:
a) base cover
b) battery
3. Perform the following steps to remove the WLAN card:
a) Remove the screw to release the bracket that secures the WLAN card to the computer. Lift the bracket away from the computer.
b) Disconnect the antenna cables from the WLAN card.
c) Slide and remove the WLAN card from its connector on the I/O board.

Installing the WLAN Card

1. Align the notch on the WLAN card with the tab on the WLAN-card connector on the I/O board.
2. Align the bracket which secures the WLAN card to the palmrest assembly.
3. Connect the antenna cables to the WLAN card.
CAUTION: To avoid damage to the WLAN card, do not place any cables under it.
NOTE: The color of the antenna cables is visible near the tip of the cables. The antenna-cable color scheme for the
WLAN card supported by your computer is as follows:
Table 1. Antenna-Cable Color Scheme for the WLAN Card
Connectors on the WLAN card
Main (white triangle)
Auxiliary (black triangle)
4. Tighten the screw to secure the bracket and the WLAN card to the palmrest assembly.
5. Install the:
a) battery
b) base cover
6. Follow the procedures in After Working Inside Your Computer.

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
3. Perform the following steps to remove the coin-cell battery:
a) Disconnect the coin-cell battery cable from the I/O board [1].
b) Lift up and remove the coin-cell battery from the computer [2].
Antenna-cable color
white
black
Retrait et installation de composants 15