Dell P56F005 Service Manual page 39

● Power button with fingerprint reader function without light indicator (optional).
b. Release the Mylar tape that secures the power button board to the system chassis [2].
c. Remove the M1.6x1.5 (1) screw that secures the power button board to the system chassis [3].
d. Disconnect and release the adhesive data cable from the system chassis [4]
e. Lift the power button board away from the system chassis [5].
Installing power button with fingerprint reader
Steps
1. Place the power button into the slot on the system chassis.
NOTE: There are two power button options:
● Power button function with light indicator.
● Power button with fingerprint reader function without light indicator (optional).
2. Connect the adhesive data cable to the system chassis .
3. Replace the M2x3 screw that secures the power button board to the system chassis.
4. Replace the Mylar tape that secures the power button board to the system chassis.
5. Replace the M2x4 (2) screws that secure the power button to the system board.
6. Install the:
a. Battery
b. Base cover
Disassembly and reassembly 39