12. Adhere the two pieces of tape securing the gray WWAN antenna cable in place at the bottom side of CPU shielding cover
and route the wireless antenna cables in the routing guides on the system board and the routing guides along the top side of
the battery.
Next steps
1. Install the WWAN card.
2. Install the base cover.
3. Install the SIM card tray.
4. Install the SD card.
5. Follow the procedure in After working on your computer.
Speakers
Removing the left speaker
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the SD card.
3. Remove the SIM card tray.
4. Remove the base cover.
5. Remove the WWAN card.
6. Remove the battery.
About this task
The following images indicate the location of the speaker and provide a visual representation of the removal procedure.
Steps
1. Remove the single (M1.6x1.8) screw securing the Proximity sensor bracket to the plam-rest assembly.
2. Disconnect the Proximity sensor cable for the left speaker's WWAN antenna module from the RF board.
3. Disconnect the left speaker cable from connector on the system board, and unroute the speaker cable from the routing
guides.
4. Remove the single (M1.6x1.8) screw that secure the left speaker, and lift the left speaker off the system.
Removing and installing components
37
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