Installing speaker module
1. Place the speaker module into the slots on the system.
2. Route the speaker cable through the retention clips on the system.
NOTE: For Latitude 7490, the speaker cable must be routed correctly in the routing channels on the palm-rest and the
routing channels along the bottom edge of the touchpad buttons. Now, using the piece of tape attached to the speaker
cable, secure it to the touchpad buttons
3. Connect the speaker cable to the connector on the system board.
4. Connect the battery cable to the connector on the system board.
5. Install the base cover.
6. Follow the procedure in After working inside your computer.
Coin cell battery
Removing the coin cell battery
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Disconnect the battery cable from the connector on the system board.
4. To remove the coin cell battery:
a. Disconnect the coin cell battery cable from the connector on the system board [1].
NOTE: You must un-route the coin cell battery cable from the routing channel.
NOTE: When removing or replacing the RTC battery or system board for Latitude 7490, the RTC battery cable must
be routed in the routing channels and secured within the notch on the system board.
b. Lift the coin cell battery to release it from the adhesive [2].
Removing and installing components 19
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