Table 5. Connectors on the WWAN card
Antenna Cable Color
Main (white triangle) White and Grey (cable number 5)
Auxiliary (black triangle) - ANT1 White and Black (cable number 6)
Auxiliary (black triangle) - ANT3 Blue (cable number 8)
Auxiliary (black triangle) - ANT2 Orange (cable number 7)
3. Place the WWAN card holder on the WWAN card.
4. Replace the (M2x3) screw that secures the WWAN card holder to the system board.
NOTE: For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number,
see the knowledge base article 000143678 at https://www.dell.com/support/.
Next steps
1. Install the RF switch board.
2. Install the base cover.
3. Install the primary M.2 2280 solid state drive or primary M.2 2230 solid state drive.
4. Install the battery.
5. Follow the procedure in after working inside your computer.
Dock I/O board
Removing the dock I/O board
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the battery.
3. Remove the primary M.2 2280 solid state drive or primary M.2 2230 solid state drive.
4. Remove the base cover.
5. Remove the RF switch board.
6. Remove the WLAN card.
About this task
The following images indicate the location of the dock I/O board and provide a visual representation of the removal procedure.
Removing and installing components
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