HP Pavilion dv4-3100 HP Pavilion dv4 Entertainment PC - Maintenance and Servic - Page 73

TouchPad LED board, Remove the USB 3.0 board

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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 following components: a. Battery (see Battery on page 36) b. Memory module (see Memory module on page 37) c. Optical drive (see Optical drive on page 42) d. Keyboard (see Keyboard on page 44) e. Top cover (see Top cover on page 49) f. Power connector (see Power connector on page 69) g. System board (see System board on page 71) Remove the USB 3.0 board: 1. Position the system board upside down. 2. Remove the Phillips 3.0x2.5 screw (1) that secures the USB 3.0 board to the system board. 3. Remove the USB 3.0 board (2) from the system board. Reverse this procedure to install the USB 3.0 board. TouchPad LED board Description TouchPad LED board Spare part number 640339-001 ENWW Component replacement procedures 65

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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 following components:
a.
Battery (see
Battery
on page
36
)
b.
Memory module (see
Memory module
on page
37
)
c.
Optical drive (see
Optical drive
on page
42
)
d.
Keyboard (see
Keyboard
on page
44
)
e.
Top cover (see
Top cover
on page
49
)
f.
Power connector (see
Power connector
on page
69
)
g.
System board (see
System board
on page
71
)
Remove the USB 3.0 board:
1.
Position the system board upside down.
2.
Remove the Phillips 3.0x2.5 screw
(1)
that secures the USB 3.0 board to the system board.
3.
Remove the USB 3.0 board
(2)
from the system board.
Reverse this procedure to install the USB 3.0 board.
TouchPad LED board
Description
Spare part number
TouchPad LED board
640339-001
ENWW
Component replacement procedures
65