HP Compaq NX4820 Maintenance And Service Manual page 239

Display Component Recycling
This appendix provides disassembly instructions for the display
assembly. The display assembly must be disassembled to gain
access to the backlight 1 and the LCD panel 2.
✎
Disassembly procedures differ from one display assembly to
another. The procedures provided in this appendix are general
disassembly instructions. Specific details, such as screw sizes,
quantities, and locations, and component shapes and sizes, can
vary from one computer model to another.
Refer to
disassembly steps.
D–2
Section 5.11, "Display Assembly," for display assembly
Maintenance and Service Guide