11 Connect the antenna cables to the system board.
The following table provides the antenna cable color schemes for the wireless card supported by your computer.
Table 3. Antenna-cable color scheme
Connectors on the wireless card Antenna-cable color
Main (white triangle) White
Auxiliary (black triangle) Black
Post-requisites
1 Replace the fans.
2 Replace the heat sink.
3 Replace the solid-state drive.
4 Replace the battery.
5 Replace the base cover.
Entering the Service Tag in the BIOS setup program
1 Turn on or restart your computer.
2 Press F2 when the Dell logo is displayed to enter the BIOS setup program.
3 Navigate to the Main tab and enter the Service Tag in the Service Tag Input eld.
NOTE
: Service tag is the alphanumeric identier located at the back side of your computer.
Replacing the system board 47