Display Assembly - HP EliteBook 840r G4 Maintenance And Service Manual

Display assembly

Description
Display panel assembly, touch screen (whole hinge-up)
NOTE: Touch displays are spared only as whole hinge-ups.
NOTE: Non-touch display assemblies are spared at the subcomponent level only.
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 bottom cover (see
5. Remove the battery (see
6. Remove the following components:
a. WLAN module (see
b. WWAN module (see
Remove the display assembly:
1. Open the computer and then position it upside down with the display hanging off the side of a table so
that the hinges are open.
2. Remove the 4 Phillips M2.5×5.0 screws (1) from the display hinges.
3. Disconnect the display cable (2) and camera cable (3)(select models only) from the system board.
4. Remove the WLAN antennas and WWAN antennas (if equipped)(4) from the routing path along the base
of the computer.
Bottom cover on page
Battery on page 33).
WLAN/Bluetooth combo card on page
WWAN module on page
30).
39)
41)
Component replacement procedures
Spare part number
L22363-001
65