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 or heat-sink assembly.
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 field.
NOTE: Service tag is the alphanumeric identifier located at the back side of your computer.
54 Replacing the system board
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