Latitude 5550 Owner's Manual

Removing the 5G WWAN card

About this task

NOTE:The 5G WWAN card is available only on certain configurations. It is connected to the computer with four antenna cables.

The following images indicate the location of the 5G WWAN card and provide a visual representation of the removal procedure.

1. Remove the screw (M2x3) that secures the 5G WWAN-card bracket to the 5G WWAN card.
2. Lift the 5G WWAN-card bracket off the 5G WWAN card.
3. Remove the two screws (M2x3) that secure the 5G WWAN-card shield to the palm-rest and keyboard assembly.
4. Lift the 5G WWAN-card shield off the 5G WWAN card.
5. Disconnect the antenna cables from the 5G WWAN card.
6. Slide and remove the 5G WWAN card off the 5G WWAN-card slot on the system board.
   NOTE:If you are replacing the 5G WWAN card, ensure that the thermal pad is in place.

   NOTE:If you are replacing the system board, ensure to peel the thermal pad from the old system board to the new system board.

   NOTE:If the thermal pad is damaged, peel the thermal pad from the system board and replace it with a new thermal pad. The thermal pad must be purchased separately.