Steps
1. Align and place the battery on the palm-rest assembly.
2. Replace the single (M1.6x3) screw and four (M2x4) screws to secure the battery to the palm-rest assembly.
3. Reconnect the battery cable to the connector on the system board.
4. Route the speaker cables in the routing guides at the left and right side of the battery.
5. Adhere the piece of tape securing the speaker cable in place at the left side of the battery.
6. Route the speaker cable in the routing guides along the top side of the battery and connect the speaker cable to the
connector on the system board.
7. Route the WLAN antenna cables and blue WWAN antenna cable in the metal clips on the system board and the routing
guides along the sides of the battery.
8. Connect the antenna cables to the WLAN module.
9. Align and place the WLAN bracket on the system board.
10. Tighten the single captive screw securing the WLAN bracket to the system board.
11. Adhere the piece of tape securing the WLAN antenna cables in place at the top side of the battery.
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. Follow the procedure in After working inside your computer.
Speakers
Removing the left speaker
Prerequisites
1. Follow the procedure in Before working inside your computer.
NOTE:
Ensure that your computer is in Service Mode. For more information see, step 6 in Before working inside your
computer.
2. Remove the base cover.
3. Remove the WWAN card if applicable.
4. Remove the battery.
About this task
NOTE:
For systems shipped with WWAN antennas, left speaker is part of the palm-rest assembly and are not separate
replaceable parts.
NOTE: For systems shipped with WLAN card, left speaker is a separate replaceable part. The following procedure is
applicable for systems shipped with WLAN card only.
The following images indicate the location of the speaker and provide a visual representation of the removal procedure.
34
Removing and installing components
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