HP Pavilion dm4-1000 HP Pavilion dm4 Entertainment PC - Maintenance and Servic - Page 82

USB board, Remove the Phillips PM2.5×5.0 screw

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USB board Description USB board (includes cable) Spare part number 608277-001 Before removing the USB 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 42). 5. Remove the following components: a. Hard drive (see Hard drive on page 54) b. Optical drive (see Optical drive on page 56) c. Keyboard (see Keyboard on page 58) d. Top cover (see Top cover on page 60) Remove the USB board: 1. Position the computer upright with the right side toward you. 2. Disconnect the USB board cable (1) from the system board. 3. Remove the Phillips PM2.5×5.0 screw (2) that secures the USB board to the base enclosure. 4. Lift the USB board straight up (3) to remove it from the computer. 72 Chapter 4 Removal and replacement procedures

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USB board
Description
Spare part number
USB board (includes cable)
608277-001
Before removing the USB 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
42
).
5.
Remove the following components:
a.
Hard drive (see
Hard drive
on page
54
)
b.
Optical drive (see
Optical drive
on page
56
)
c.
Keyboard (see
Keyboard
on page
58
)
d.
Top cover (see
Top cover
on page
60
)
Remove the USB board:
1.
Position the computer upright with the right side toward you.
2.
Disconnect the USB board cable
(1)
from the system board.
3.
Remove the Phillips PM2.5×5.0 screw
(2)
that secures the USB board to the base enclosure.
4.
Lift the USB board straight up
(3)
to remove it from the computer.
72
Chapter 4
Removal and replacement procedures