Function Board - HP ProBook 455 G4 Maintenance And Service Manual

Function board

Description
Function board
Function board cable (included in Cable Kit)
Before removing the function board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Place the computer in "Battery Safe mode"
3. Disconnect all external devices connected to the computer.
4. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
5. Remove the following components:
a. Service door (see
b. Optical drive
c. Hard drive
d. Keyboard (see
e. Top cover (see
Remove the function board:
1. Position the top cover upside-down.
2. Disconnect the cable from the connector on the function board (1).
3. Remove the Phillips PM2.0×3.0 screw (2) that secures the board to the top cover.
4. Lift the left side of the board (3), and then slide the board to the left to remove it from the top cover (4).
60 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Service door on page
(Optical drive on page 34)
(Hard drive on page 36)
Keyboard on page 45)
Top cover on page 52)
(Battery Safe mode on page
33)
Spare part number
905753-001
905769-001
32).