Dell Latitude 3490 - Installing the Fingerprint Reader; Coin Cell Battery; Removing the Coincell Battery

Installing the fingerprint reader
1. Place the fingerprint reader into the slot on the palmrest.
2. Place the metal bracket on the fingerprint reader and replace the M2x2 screw to secure the fingerprint reader to the
system.
3. Secure the metal bracket on the fingerprint reader with an adhesive tape.
4. Affix the adhesive–backed cable to secure it to the palmrest.
5. Connect the fingerprint reader cable to the connector on the system board.
6. Install the:
a. battery
b. base cover
7. Follow the procedure in After working inside your computer
Coin cell battery
Removing the coincell battery
1. Follow the procedure in Before working inside your computer.
2. Remove the:
a. base cover
b. battery
3. To remove the coin cell:
a. Pry the coincell battery until it pops out from its slot [1].
b. Lift and remove the coin cell from the system [2].
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Disassembly and reassembly