Error:

Javascript is disabled in this browser. This page requires Javascript. Modify your browser's settings to allow Javascript to execute. See your browser's documentation for specific instructions.

hp-support-head-portlet

Actions

HP Customer Support - Knowledge Base

hp-contact-secondary-navigation-portlet

Actions

hp-share-print-widget-portlet

Actions

Information

Fix intermittent print spooler service errors that may cause print jobs to fail post a Windows update. Click here

Information

Fix Windows 10 Update Issues
Resolve Windows 10 or update issues on an HP computer or printer – Click here

hp-concentra-wrapper-portlet

Actions

HP EliteBook 8540p Notebook PC - Removing and Replacing the Display Assembly

Summary of instructions

Parts return

Introduction

This document is provided to assist in removing and replacing the display assembly for the HP EliteBook 8540p Notebook PC.

Minimum skill level

The End-User should possess product-specific knowledge and technical skill on how to service the system, and have familiarity with the operating system.

Tools required

Small Torx T8 screwdriver
Small, Phillips-head (P00 and P1) screwdrivers
Small, flat-bladed screwdriver or a flat-bladed alignment tool

Parts required

note:
Part numbers are subject to change.

The replacement part number will vary depending on the display assembly that is being replaced. If a part is listed as "Yes" under "Requires Return" then the defective part needs to be returned to HP. Click here for more information on returning parts to HP.

Description	Part Number	Requires Return
15.6-inch HD LED AntiGlare display assembly - Includes three WLAN antenna transceivers with cables and two WWAN antenna transceivers with cables - For use on 8540p models without a webcam	595736-001 (Modified)	Yes
15.6-inch HD LED AntiGlare display assembly - Includes three WLAN antenna transceivers with cables and two WWAN antenna transceivers with cables - For use on 8540p models with a webcam	595737-001 (Modified)	Yes
15.6-inch HD+ LED Wide Viewing Angle (WVA) display assembly - Includes three WLAN antenna transceivers with cables and two WWAN antenna transceivers with cables - For use on 8540p models without a webcam	595739-001 (Modified)	Yes
15.6-inch HD+ LED display assembly - Includes three WLAN antenna transceivers with cables and two WWAN antenna transceivers with cables - For use on 8540p models with a webcam	595740-001 (Modified)	Yes
15.6-inch FHD LED display assembly - Includes three WLAN antenna transceivers with cables and two WWAN antenna transceivers with cables - For use on 8540p models without a webcam	595738-001 (Modified)	Yes
15.6-inch FHD LED display assembly - Includes three WLAN antenna transceivers with cables and two WWAN antenna transceivers with cables - For use on 8540p models with a webcam	600755-001 (Modified)	Yes

note:
For customers in countries/regions with RoHS legislation* (e.g. EU, China, etc.) restricting the use of hazardous substances in electrical equipment. The use of the Original Spare part is regulated by RoHS legislation. If your unit contains a part that is labelled with the Modified Spare number, the Modified Spare must be ordered as the replacement part. If your unit contains a part that is labelled with the Original Spare number, please order the Original Spare as the replacement part. In this case either the Original Spare or the Modified Spare may be shipped which will not affect performance or functionality of the unit.

Summary of instructions

To view a video demonstrating the procedure for removing the display assembly, click on the link below. Or use the product video listing on the HP Services Media Library, (Click here to go to HP Service Media Library) then select Display assembly from the menu on the upper left hand side of the screen.

Click here to view the display assembly removal video (right-click on the link to open in a new window/tab).

Display assembly removal

Review the safety considerations before performing the steps listed below by clicking on the following link:

Click here to view the precautions.

caution:
Failure to comply with the precautions could result in damage to your product or loss of data.
Remove the battery. Click here for instructions on how to remove the battery.
Remove the keyboard. Click here for instructions on how to remove the keyboard.
Remove the switch cover. Click here for instructions on how to remove the switch cover.
Remove the Wireless LAN module. Click here for instructions on how to remove the Wireless LAN module.
Remove the Wireless WAN module. Click here for instructions on how to remove the Wireless WAN module.
On the bottom of the notebook, remove the two 6 mm T8 Torx screws from the rear corners of the notebook that secure the display assembly to the base enclosure.

note:
Under warranty, the display assembly is replaced as a whole unit. For out of warranty purposes, the individual internal components can be replaced to reduce customer repair costs.
Remove the 4 mm P1 Phillips-head screw in the battery bay that secures the display assembly to the base enclosure.
On the rear of the notebook, remove the two rubber screw covers from the corners of the notebook.
Remove the two 6 mm T8 Torx screws from the corners of the notebook that secure the display assembly to the base enclosure.
Turn the notebook right side up and open the display panel fully.
Disconnect the display panel cable from its connector on the system board and remove the display panel cable from its routing channel on the top cover.
Disconnect the microphone cable from its connector on the audio pass-through cable and remove the microphone cable from the routing channel on the top cover.
Remove the wireless WAN antenna cables from the opening in the base enclosure.
Remove the wireless WAN and wireless LAN antenna cables from their routing channel on the top cover.
Remove the 4 mm P1 Phillips-head screw from the left hinge that secures the display assembly to the base enclosure.
Remove the two 6 mm T8 Torx screws from the left display hinge that secure the display assembly to the base enclosure.
Remove the 6 mm T8 Torx screw from the right display hinge that secures the display assembly to the base enclosure.

note:
Be sure to support the display assembly while removing this screw.
Lift the display assembly off of the alignment pins on the top cover and remove it.

Display assembly replacement

Align and place the display hinges onto the alignment pins on the top cover.
Replace the 6 mm T8 Torx screw into the right display hinge that secures the display assembly to the base enclosure.

note:
Be sure to support the display assembly while replacing this screw.
Replace the two 6 mm T8 Torx screws into the left display hinge that secure the display assembly to the base enclosure.
Replace the 4 mm P1 Phillips-head screw from the left hinge that secures the display assembly to the base enclosure.
Route the wireless WAN and wireless LAN antenna cables through their routing channel on the top cover.
Route the microphone cable through the routing channel on the top cover and connect the microphone cable into its connector on the audio pass-through cable.
Thread the wireless WAN antenna cables through the opening in the base enclosure.
Route the display panel cable through its routing channel on the top cover and connect the display panel cable into its connector on the system board.
Close the display panel and turn the notebook over.
On the rear of the notebook, replace the two 6 mm T8 Torx screws into the corners of the notebook that secure the display assembly to the base enclosure.
Replace the two rubber screw covers into the corners of the notebook.
On the bottom of the notebook, replace the two 6 mm T8 Torx screws into the rear corners of the notebook that secure the display assembly to the base enclosure.
Replace the 4 mm P1 Phillips-head screw in the battery bay that secures the display assembly to the base enclosure.
Replace the Wireless WAN module. Click here for instructions on how to replace the Wireless WAN module.
Replace the Wireless LAN module. Click here for instructions on how to replace the Wireless LAN module.
Replace the switch cover. Click here for instructions on how to replace the switch cover.
Replace the keyboard. Click here for instructions on how to replace the keyboard.
Replace the battery. Click here for instructions on how to replace the battery.