HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide

Display assembly on computers with 17.3-in displays
NOTE: The Miscellaneous LCD Cable Kit, spare part number 599806-001, includes 2 WLAN
antenna transceivers and cables.
Description Spare part number
For use only with computers with 17.3-in displays
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17.3-in HD BrightView display assembly for use in computers equipped with webcam and
WWAN (1600×900 resolution)
598708-001
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17.3-in HD BrightView display assembly (1600×900 resolution) 606167-001
●
17.3-in HD AntiGlare display assembly for use in computers equipped with webcam and
WWAN (1600×900 resolution)
606166-001
●
17.3-in HD BrightView display assembly (1600×900 resolution) 606165-001
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
Battery on page 50).
5. Remove the switch cover and keyboard (see
Switch cover and keyboard on page 51).
6. Disconnect the power button cable from the system board (see
Power button board on page 58).
7. Remove the speakers (see
Speakers on page 60).
Remove the display cables:
1. Position the computer right-side up with the front toward you.
2. Open the computer as far as possible.
3. Disconnect the webcam (1) and display panel cable (2) from the system board and from the
routing channels.
4. Disconnect the microphone cable (3) from the system board and from the routing channels.
80 Chapter 4 Removal and replacement procedures