Dell Vostro 15 3510 Service Manual page 75

Steps
1. Place the power-button with fingerprint reader into the slot on the palm-rest and keyboard assembly.
2. Install the single (M2x2) screws to secure the power-button with fingerprint reader to the palm-rest and keyboard assembly.
NOTE:
For models shipped with a fingerprint reader, when installing the power-button, fold and align the fingerprint-reader FPC
to the mark at the right of the power button. Then align the white line on the FPC to the mark on the palm rest.
3. Re-adhere the tape to secure the fingerprint-reader FFC to the palm-rest and keyboard assembly.
4. Fold back the left hinge and install two single (M2.5x5) screws to secure the hinge to the palm-rest and keyboard assembly.
Removing and installing components 75