Display Component Recycling. HP Compaq nx8420 Notebook PC, Compaq nc8430 Notebook PC, Compaq nw8440 Mobile Workstation, Compaq nw8440 Base Model Mobile Workstation, nw8440, Compaq nw8440
Add to My manuals236 Pages
HP Compaq nx8420 Notebook PC combines the features of a desktop PC with the mobility of a notebook. It is powered by an Intel Core processor and has a large, high-resolution display. With its built-in webcam, you can easily video conference with friends and family. The nx8420 also has a variety of ports and slots, so you can connect all of your peripherals. Whether you're using it for work, school, or play, the HP Compaq nx8420 Notebook PC is a great choice.
advertisement
![Display Component Recycling. HP Compaq nx8420 Notebook PC, Compaq nc8430 Notebook PC, Compaq nw8440 Mobile Workstation, Compaq nw8440 Base Model Mobile Workstation, nw8440, Compaq nw8440 | Manualzz Display Component Recycling. HP Compaq nx8420 Notebook PC, Compaq nc8430 Notebook PC, Compaq nw8440 Mobile Workstation, Compaq nw8440 Base Model Mobile Workstation, nw8440, Compaq nw8440 | Manualzz](http://s1.manualzz.com/store/data/001107838_1-96375451fc21846e88d170a4245f9645-360x466.png)
C
Display Component Recycling
Å WARNING: The backlight contains mercury. Caution should be exercised when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury.
Ä CAUTION: The procedures in this appendix can result in damage to display components. The only components intended for recycling purposes are the liquid crystal display (LCD) panel and the backlight.
Careful handling should be exercised when removing these components.
✎
Materials Disposal
This HP product contains mercury in the backlight in the display assembly that might require special handling at end-of-life.
Disposal of mercury may be regulated because of environmental considerations. For disposal or recycling information, contact your local authorities or the Electronic Industries Alliance (EIA) at http://www.eiae.org
.
Maintenance and Service Guide C–1
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 liquid crystal display (LCD) panel 2.
C–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.
Maintenance and Service Guide
Display Component Recycling
Perform the following steps to disassemble the display assembly:
1. Remove all screw covers 1 and screws 2 that secure the display bezel to the display assembly.
Removing the Display Bezel Screw Covers and Screws
Maintenance and Service Guide C–3
Display Component Recycling
2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly.
3. Remove the display bezel 3.
Removing the Display Bezel
C–4 Maintenance and Service Guide
Display Component Recycling
4. Disconnect all display panel cables 1 from the display inverter and remove the inverter 2.
Removing the Display Inverter
Maintenance and Service Guide C–5
Display Component Recycling
5. Remove all screws 1 that secure the display panel assembly to the display enclosure.
6. Remove the display panel assembly 2 from the display enclosure.
Removing the Display Panel Assembly
C–6 Maintenance and Service Guide
Display Component Recycling
7. Turn the display panel assembly upside down.
8. Remove all screws that secure the display panel frame to the display panel.
Removing the Display Panel Frame s
Maintenance and Service Guide C–7
Display Component Recycling
9. Use a sharp-edged tool to cut the tape 1 that secures the sides of the display panel to the display panel frame.
10. Remove the display panel frame 2 from the display panel.
Removing the Display Frame
C–8 Maintenance and Service Guide
Display Component Recycling
11. Remove the screws 1 that secure the backlight cover to the display panel.
12. Lift the top edge of the backlight cover 2 and swing it forward.
13. Remove the backlight cover.
Removing the Backlight Cover
Maintenance and Service Guide C–9
Display Component Recycling
14. Turn the display panel right side up.
15. Remove the backlight cables 1 from the clip 2 in the display panel.
Releasing the Backlight Cables
C–10 Maintenance and Service Guide
Display Component Recycling
16. Turn the display panel upside down.
17. Remove the backlight frame from the display panel.
Removing the Backlight Frame
Maintenance and Service Guide C–11
Display Component Recycling
Å WARNING: The backlight contains mercury. Caution should be exercised when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury.
18. Slide the backlight out of the backlight frame.
Removing the Backlight
C–12 Maintenance and Service Guide
Display Component Recycling
19. Disconnect the display cable 1 from the LCD panel.
20. Remove the screws 2 that secure the LCD panel to the display rear panel.
21. Release the LCD panel 3 from the display rear panel.
22. Release the tape 4 that secures the LCD panel to the display rear panel.
Releasing the LCD Panel
Maintenance and Service Guide C–13
Display Component Recycling
23. Remove the LCD panel.
Removing the LCD Panel
24. Recycle the LCD panel and backlight.
C–14 Maintenance and Service Guide
advertisement
Key Features
- Intel® Core™2 Duo T7600 2.33 GHz
- 39.1 cm (15.4") 1920 x 1200 pixels 16:10
- 2 GB DDR2-SDRAM
- 100 GB
- AMD Mobility FireGL V5200
- Bluetooth 2.0+EDR
- Windows XP Professional
Related manuals
Frequently Answers and Questions
How do I set up my HP Compaq nx8420 Notebook PC?
How do I troubleshoot problems with my HP Compaq nx8420 Notebook PC?
Where can I find drivers and software for my HP Compaq nx8420 Notebook PC?
advertisement
Table of contents
- 4 Contents
- 8 Product Description
- 9 1.1 Features
- 11 1.2 Resetting the Computer
- 12 1.3 Power Management
- 13 1.4 External Components
- 27 1.5 Design Overview
- 28 Troubleshooting
- 28 2.1 Computer Setup
- 28 Using Computer Setup
- 29 Selecting from the File Menu
- 30 Selecting from the Security Menu
- 31 Selecting from the Advanced Menu
- 31 Selecting from the Tools Menu
- 32 2.2 Troubleshooting Flowcharts
- 54 Illustrated Parts Catalog
- 54 3.1 Serial Number Location
- 55 3.2 Computer Major Components
- 69 3.3 Plastics Kit
- 71 3.4 Mass Storage Devices
- 73 3.5 Miscellaneous (Not Illustrated)
- 75 3.6 Sequential Part Number Listing
- 83 Removal and Replacement Preliminaries
- 83 4.1 Tools Required
- 84 4.2 Service Considerations
- 84 Plastic Parts
- 84 Cables and Connectors
- 85 4.3 Preventing Damage to Removable Drives
- 86 4.4 Preventing Electrostatic Damage
- 87 4.5 Packaging and Transporting Precautions
- 88 4.6 Workstation Precautions
- 89 4.7 Grounding Equipment and Methods
- 91 Removal and Replacement Procedures
- 92 5.1 Serial Number
- 93 5.2 Disassembly Sequence Chart
- 95 5.3 Preparing the Computer for Disassembly
- 96 5.4 Hard Drive
- 100 5.5 Computer Feet
- 101 5.6 Optical Drive
- 103 5.7 External Memory Module
- 106 5.8 Bluetooth Module
- 108 5.9 Keyboard
- 112 5.10 Fan Assembly
- 117 5.11 Heat Sink
- 120 5.12 Processor
- 122 5.13 Internal Memory Module
- 124 5.14 RTC Battery
- 125 5.15 TouchPad
- 128 5.16 Mini Card Module
- 131 5.17 Switch Cover
- 134 5.18 Display Assembly
- 138 5.19 Top Cover
- 142 5.20 Modem Module
- 144 5.21 System Board
- 151 5.22 System Board Frame
- 154 5.23 Serial Connector Module
- 156 5.24 USB/Audio Board
- 158 Specifications
- 176 Screw Listing
- 198 Software Backup and Recovery
- 206 Display Component Recycling
- 220 Connector Pin Assignments
- 226 Power Cord Set Requirements
- 230 Index