Dell Vostro 15–3578 Owner's Manual

Removing the fingerprint reader

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. Battery
   2. Optical drive
   3. Keyboard
   4. Base cover
   5. Hard drive
3. To remove the fingerprint reader bracket:
   1. Disconnect the fingerprint reader from the connector on the system board [1].
   2. Remove the tape that secures the fingerprint assembly to the computer [2]
   3. Remove the 1 (M2x2.5) screw that secures the fingerprint assembly to the computer [3].
   4. Lift the fingerprint reader bracket from the computer [4].
   
4. Remove the fingerprint reader
   1. Lift the fingerprint reader board from the computer.