HP 4340s User Manual download pdf (Page 77)

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

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HP 4340s User Manual Page 77