HP ProBook 4320s Maintenance And Service Manual page 101

Description
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For use with 35.6-cm (14.0-in) displays with webcam and without WWAN
For use in champagne models:
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For use with 33.8-cm (13.3-in) displays without WWAN,
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For use with 33.8-cm (13.3-in) displays with webcam and without WWAN
●
For use with 33.8-cm (14.0-in) displays without WWAN
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For use with 35.6-cm (14.0-in) displays with webcam and without WWAN
For use in 35.6-cm (14.0-in) coffee-colored models in Singapore
Before removing the display assembly, 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
5. Remove the following components:
a. Switch cover (see
b. Keyboard (see
c. Speakers (see
d. Palm rest (see
e. WWAN cables (see
f. WLAN cables (see
Remove the display assembly:
CAUTION: Support the display assembly when removing the following screws. Failure to support
the display assembly can result in damage to the display assembly and other computer components.
1. Remove the five T8 slotted-Torx M2.5×6.0 screws (1) that secure the display assembly to the
base enclosure.
NOTE: Your model of the computer have four screws.
2. Disconnect the display cable from the system board (2), and remove all cables from the routing
channels along the top cover (3).
Battery on page 57).
Switch cover on page
Keyboard on page 61)
Speakers on page 68)
Palm rest on page 72)
WWAN module on page
WLAN module on page
59)
70)
77)
Component replacement procedures
Spare part number
607646-001
625698-001
625699-001
6256710-001
625711-001
663980-001
93