HP ProBook 4340s HP ProBook 4340s Notebook PC HP ProBook 4341s Notebook PC - M - Page 77

Display assembly, Keyboard see

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Display assembly All display assemblies include WLAN antenna transceivers and cables. WWAN models include 2 WWAN antenna transceivers and cables. Description Display assembly, 33.8-cm (13.3-inch) HD, anti-glare Spare part number 684251-001 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 31). 5. Remove the following components: a. Bottom door (see Bottom door on page 33). b. WLAN module (see WLAN/Bluetooth combo card on page 43) c. WWAN module (see WWAN module on page 41) d. Keyboard (see Keyboard on page 45) e. Top cover (see Top cover on page 47) f. Speakers (see Speaker assembly on page 59) Remove the display assembly: 1. Position the computer upside down. 2. Remove the WLAN and WWAN antennas from the routing path (1) on the bottom of the computer. Component replacement procedures 69

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Display assembly
All display assemblies include WLAN antenna transceivers and cables. WWAN models include 2
WWAN antenna transceivers and cables.
Description
Spare part number
Display assembly, 33.8-cm (13.3-inch) HD, anti-glare
684251-001
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
31
).
5.
Remove the following components:
a.
Bottom door (see
Bottom door
on page
33
).
b.
WLAN module (see
WLAN/Bluetooth combo card
on page
43
)
c.
WWAN module (see
WWAN module
on page
41
)
d.
Keyboard (see
Keyboard
on page
45
)
e.
Top cover (see
Top cover
on page
47
)
f.
Speakers (see
Speaker assembly
on page
59
)
Remove the display assembly:
1.
Position the computer upside down.
2.
Remove the WLAN and WWAN antennas from the routing path
(1)
on the bottom of the
computer.
Component replacement procedures
69