HP ProBook 5330m HP ProBook 5330m Notebook PC - Maintenance and Service Guide - Page 68

Activity button board, Position the top cover upside down on a flat surface

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Activity button board Description Activity button board (includes cable) Spare part number 650393-001 Before removing the activity button 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. 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 36). 5. Remove the service access cover (see Service access cover on page 38). 6. Remove the keyboard (see Keyboard on page 50). 7. Remove the fan (see Fan on page 53). 8. Remove the top cover (see Top cover on page 55). Remove the activity button board: 1. Position the top cover upside down on a flat surface, with the front toward you. The activity button board is located at the top left of the top cover. 2. Remove the T8 2.5x4.0 screw (1) and lift the activity button board (2) straight up from the top cover. Reverse this procedure to install the activity button board. 60 Chapter 4 Removal and replacement procedures

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Activity button board
Description
Spare part number
Activity button board
(includes cable)
650393-001
Before removing the activity button 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.
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
36
).
5.
Remove the service access cover (see
Service access cover
on page
38
).
6.
Remove the keyboard (see
Keyboard
on page
50
).
7.
Remove the fan (see
Fan
on page
53
).
8.
Remove the top cover (see
Top cover
on page
55
).
Remove the activity button board:
1.
Position the top cover upside down on a flat surface, with the front toward you. The activity
button board is located at the top left of the top cover.
2.
Remove the T8 2.5x4.0 screw
(1)
and lift the activity button board
(2)
straight up from the top
cover.
Reverse this procedure to install the activity button board.
60
Chapter 4
Removal and replacement procedures