HP ProBook 430 HP ProBook 430 G1 Notebook PC Maintenance and Service Guide - Page 69

Function board

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Function board Description Function board Spare part number 727768-001 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. 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 35). 5. Remove the following components: a. Service door (see Service door on page 43). b. Keyboard (see Keyboard on page 37) c. Top cover (see Top cover on page 50) Remove the function board assembly: 1. Position the top cover upside-down. 2. Remove the 2 Phillips PM2.0×3.0 screws (1) that secure the board to the top cover. 3. Lift the function board straight up and off the top cover (2). Reverse this procedure to install the function board. Component replacement procedures 59

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Function board
Description
Spare part number
Function board
727768-001
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.
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
35
).
5.
Remove the following components:
a.
Service door (see
Service door
on page
43
).
b.
Keyboard (see
Keyboard
on page
37
)
c.
Top cover (see
Top cover
on page
50
)
Remove the function board assembly:
1.
Position the top cover upside-down.
2.
Remove the 2 Phillips PM2.0×3.0 screws
(1)
that secure the board to the top cover.
3.
Lift the function board straight up and off the top cover
(2)
.
Reverse this procedure to install the function board.
Component replacement procedures
59