Inspiron 7400 Service Manual

Installing the antenna module

If you are replacing a component, remove the existing component before performing the installation process.

NOTE The antenna module can only be installed at the location shown on computers shipped with 6-cell battery configurations.

The following images indicate the location of the antenna module and provides a visual representation of the installation procedure.

Image:Installing the antenna module

Place the antenna module on the palm-rest and keyboard assembly.
Replace the screw (M2x2.5) that secures the antenna module to the palm-rest and keyboard assembly.
Route the antenna cables through the routing guides on the palm-rest and keyboard assembly.
Adhere the tape that secures the antenna cables to the palm-rest and keyboard assembly.

Connect the antenna cables to the wireless card on the system board.

The following table provides the antenna-cable color scheme for the wireless card supported by your computer.

Table 1. Antenna-cable color scheme
The following table provides the antenna-cable color scheme for the wireless card supported by your computer.
Connectors on the wireless card	Antenna-cable color
Main (white triangle)	White
Auxiliary (black triangle)	Black

Place the wireless-card bracket on the wireless card.
Replace the screw (M2x2.5) that secures the wireless-card bracket to the system board.
Connect the coin-cell battery cable to the system board.
Connect the I/O-board cable to the connector on the system board and close the latch.
Adhere the tape that secures the I/O-board cable connector latch to the system board.
Place the Mylar that covers the system board.