HP EliteBook 8570w, Руководство по техническому обслуживанию и ремонту

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Function button board
Description Spare part number
Function button board (includes cable) 690635-001
Before removing the function button board, follow these steps:
IMPORTANT: Make special note of each screw and screw lock size and location during removal
and replacement.
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. Disconnect all external devices connected to the computer.
3. 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.
4. Remove the battery (see Battery on page 54 ).
5. Remove the service door (see Service door on page 60 ).
6. Remove the following components:
a. Hard drive (see Hard drive on page 72 ).
b. Upgrade bay device (see Upgrade bay device on page 77 ).
c.
Keyboard (see Keyboard on page 81 ).
d. Top cover (see Top cover on page 87 ).
Remove the function button board:
1. Position the top cover upside down, with the front toward you.
2. Remove the tape (1) from the top of the function button board.
3. Remove the two Torx 8 screws (2) that secure the function button board to the top cover.
4. Lift the function button board (3) from the top cover.
92 Chapter 4 Removal and replacement procedures