Display Assembly - HP ProBook 4540s Maintenance And Service Manual

Display assembly

All display assemblies include WLAN antenna transceivers and cables. WWAN models include 2
WWAN antenna transceivers and cables.
For a list of individual display spare parts, see
Description
For use in silver HP ProBook 4540s models:
●
39.6-cm (15.6-inch) HD, anti-glare, without webcam
●
39.6-cm (15.6-inch) HD, anti-glare, with webcam
●
39.6-cm (15.6-inch) HD, anti-glare, with webcam and WWAN
For use in HP ProBook 4440s/4441s models:
●
35.6-cm (14.0-inch), Anti-glare, without webcam
●
35.6-cm (14.0-inch), Anti-glare, with webcam
●
35.6-cm (14.0-inch), Anti-glare, with webcam and WWAN
●
35.6-cm (14.0-inch), BrightView, without webcam
●
35.6-cm (14.0-inch), BrightView, with webcam
●
35.6-cm (14.0-inch), BrightView, with webcam and WWAN
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. Bottom door (see
b. WLAN module (see
c. WWAN module (see
d. Keyboard (see
e. Top cover (see
Remove the display assembly:
1. Position the computer upright with the front toward you.
2. Open the computer as far as possible.
3. If necessary, disconnect the display cable from the system board.
112 Chapter 4 Removal and replacement procedures
Display components on page
Battery on page 55).
Bottom door on page
WLAN/Bluetooth combo card on page
WWAN module on page
Keyboard on page 70)
Top cover on page 82)
58).
68)
66)
36.
Spare part number
683481-001
683482-001
683483-001
683644-001
683645-001
683646-001
683647-001
683648-001
683650-001