HP DM4 - Manual (Page 72)

Reverse this procedure to install the USB board.
NOTE: When reinstalling note that the screw goes into the upper hole.
Power connector cable
Description Spare part number
Power connector cable (includes cable and connector) 608273-001
Before removing the power connector cable, 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 following components:
a. Hard drive (see Hard drive on page 43 )
b. Optical drive (select models only) (see Optical drive on page 45 )
c. Keyboard (see Keyboard on page 47 )
d. Top cover (see Top cover on page 49 )
e. USB board (see USB board on page 63 )
Remove the power connector cable:
1. Turn the computer upright with the right side toward you.
2. Disconnect the power connector cable (1) from the system board.
3. Remove the two Phillips M2.5×5.0 screws (2) that secure the power connector cable to the base
enclosure.
4. Lift the bracket from the connector (3).
64 Chapter 4 Removal and replacement procedures