HP ProBook 4740s HP ProBook 4740s Notebook PC - Maintenance and Service Guide - Page 86

Display assembly

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Display assembly All display assemblies include WLAN antenna transceivers and cables. For a list of individual display spare parts, see Display components on page 19. Description Display assembly, 43.9-cm (17.3-inch), HD+, anti-glare, with webcam Spare part number 684631-001 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 33). 5. Remove the following components: a. Bottom door (see Bottom door on page 34). b. WLAN/Bluetooth module (see WLAN/Bluetooth combo card on page 43) c. Keyboard (see Keyboard on page 45) d. Top cover (see Top cover on page 47) e. Speaker assembly (see Speaker assembly on page 58) Remove the display assembly: 1. Position the computer upside down. 78 Chapter 4 Removal and replacement procedures

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Display assembly
All display assemblies include WLAN antenna transceivers and cables.
For a list of individual display spare parts, see
Display components
on page
19
.
Description
Spare part number
Display assembly, 43.9-cm (17.3-inch), HD+, anti-glare, with webcam
684631-001
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
33
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door
on page
34
).
b.
WLAN/Bluetooth module (see
WLAN/Bluetooth combo card
on page
43
)
c.
Keyboard (see
Keyboard
on page
45
)
d.
Top cover (see
Top cover
on page
47
)
e.
Speaker assembly (see
Speaker assembly
on page
58
)
Remove the display assembly:
1.
Position the computer upside down.
78
Chapter 4
Removal and replacement procedures