HP ProBook 4320t, Maintenance And Service Manual

Page: 85 / 108

Power connector cable
NOTE: The power connector cable (DC power) is included in the Cable Kit on page 22 , part number
599525-001.
Before removing the power connector cable, follow these steps:
1. Shut down the computer.
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. Switch cover (see Switch cover on page 37 )
b. Keyboard (see Keyboard on page 39 )
c. DVD-ROM drive (see DVD-ROM drive on page 43 )
d. Heat sink and fan (see Heat sink and fan on page 57 )
e. Speakers (see Speakers on page 46 )
f. Palm rest (see Palm rest on page 48 )
g. Solid-state module (see Solid-state module on page 50 )
h. Display assembly (see Display assembly on page 62 )
i. Top cover (see Top cover on page 67 )
j. System board (see System board on page 71 )
k. USB connector board and cable (see USB connector board on page 73 )
Remove the power connector cable.
1. Position the computer right-side up with the front toward you.
Component replacement procedures 77