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HP ProBook 6540b Notebook PC - Removing and Replacing Display Assembly

Introduction
This document is provided to assist in removing and replacing the display assembly for the HP ProBook 6540b Notebook PC.
Tools required
Small Torx T8 screwdriver
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
Display panel 15.6-inch HD screen AG
594005-001 (Modified)
Yes
Display panel 15.6-inch HD screen AG WW
594004-001 (Modified)
Yes
15.6-inch HD LED AntiGlare display assembly - 1366 x 768 maximum resolution - For use only with models equipped with a webcam but not equipped with WWAN functionality
593996-001 (Modified)
Yes
15.6-inch HD LED AntiGlare display assembly - 1366 x 768 maximum resolution - For use only with HP Compaq 6540b computer models not equipped with a webcam or with WWAN functionality
593995-001 (Modified)
Yes
15.6-inch HD LED BrightView display assembly - Includes two WWAN antenna transceivers with cables, three WLAN antenna transceivers with cables, microphones, nameplate, and logo - For use only with models equipped with a webcam and WWAN functionality
594001-001 (Modified)
Yes
15.6-inch HD LED BrightView display assembly - Includes two WWAN antenna transceivers with cables, three WLAN antenna transceivers with cables, microphones, nameplate, and logo - For use with models equipped with WWAN functionality but not a webcam
594000-001 (Modified)
Yes
15.6-inch HD LED BrightView display assembly - 1366 x 768 maximum resolution - For use only with computer models equipped with a webcam but not equipped with WWAN functionality
593998-001 (Modified)
Yes
15.6-inch HD LED BrightView display assembly - 1366 x 768 maximum resolution - For use only with computer models not equipped with a webcam or with WWAN functionality
593997-001 (Modified)
Yes
Webcam (camera) module - 2-megapixel resolution with macro lens
583219-001 (Modified)
Yes
LCD Hinge/Bracket KI
583232-001 (Modified)
Yes
LCD Hinge/Bracket KI
583959-001 (Modified)
Yes
LCD Cable HD Plus 15
583956-001 (Modified)
Yes
LCD Cable kit 15.6
583230-001 (Modified)
Yes
LCD Cable kit 14.0
583231-001 (Modified)
Yes
LCD Cable HD Plus 14
593990-001 (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
  1. Review the safety considerations before performing the steps listed below by clicking on the following link:
      caution:
    Failure to comply with the precautions could result in damage to your product or loss of data.
  2. Disconnect the wireless LAN and wireless WAN antenna cables.
      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.
  3. On the rear of the notebook, remove the four 10 mm T8 Torx screws that secure the display assembly to the base enclosure.
  4. Open the display panel fully.
  5. Disconnect the display panel cable from its connector on the system board and remove the display panel cable from the routing channel on the top cover.
  6. Remove the wireless antenna cables from the opening in the base enclosure.
  7. Remove the wireless antenna cables from their routing channel and plastic tabs on the top cover.
  8. Disconnect the microphone cable from its connector on the system board and remove the microphone cable from the routing channel on the top cover.
  9. Remove the 10 mm T8 Torx screw from both the left and right display hinges that secures them to the base enclosure.
      note:
    Be sure to support the display assembly while removing these screws.
  10. Lift the display assembly off of the alignment pins on the top cover and remove.
Display assembly replacement
  1. Align and place the display hinges onto the alignment pins on the top cover.
  2. Replace the 10 mm T8 Torx screw into both the left and right display hinges that secures them to the base enclosure
      note:
    Be sure to support the display assembly while replacing these screws.
  3. Route the microphone cable through the routing channel on the top cover and connect the microphone cable into its connector on the system board.
  4. Route the wireless antenna cables through their routing channel and plastic tabs on the top cover.
  5. Thread the wireless antenna cables through the opening in the top cover.
  6. 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.
  7. Close the display panel.
  8. Replace the four 10 mm T8 Torx screws on the rear of the notebook that secure the display assembly to the base enclosure.

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