HP Pavilion Dv9400 Entertainment Notebook Pc Series Service Guide

Removal and Replacement Procedures
Maintenance and Service Guide 5–35
5.14 Display Assembly
1. Prepare the computer for disassembly (Section 5.3) and 
remove the following components:
❏Memory module compartment cover (Section 5.8)
❏Switch cover (Section 5.10)
❏Keyboard (Section 5.11)
❏Speaker assembly (Section 5.12)
Display Assembly Spare Part Number Information
For use with full-featured computer models (includes camera, 
camera cable, and microphones)
17.0-inch, SXGA+, TFT Single Lamp with BrightView...

5–36 Maintenance and Service Guide
Removal and Replacement Procedures
2. Close the computer.
3. Turn the computer upside down with the rear panel 
toward you.
4. Remove the two Phillips PM2.5×8.0 screws that secure the 
display assembly to the computer.
Removing the Display Assembly Screws 

Removal and Replacement Procedures
Maintenance and Service Guide 5–37
5. Turn the computer display-side up with the front toward you.
6. Open the computer to an upright position.
7. Disconnect the display cable 1 from the system board and 
the microphone cable2 from the power button board.
8. Remove the wireless antenna cables and the camera cable 
from the clips 3 in the top cover.
9. Disconnect the camera cable 4 from the system board.
Disconnecting the Display Cables 

5–38 Maintenance and Service Guide
Removal and Replacement Procedures
Ä
CAUTION: Support the display assembly when removing the following 
screws. Failure to support the display assembly can result in damage to 
the display assembly and other computer components.
10. Remove the two Phillips PM2.5×8.0 screws 1 and the 
two silver Phillips PM2.5×5.0 screws 2 that secure 
the display assembly to the computer.
11. Remove the display assembly 3.
Removing the Display Assembly 

Removal and Replacement Procedures
Maintenance and Service Guide 5–39
12. Remove the following:
1 Three rubber screw covers on the display bezel top edge
2 Two rubber screw covers on the display bezel bottom edge
3 Five Phillips PM2.5×8.0 screws
✎The display rubber screw covers are included in the Display 
Screw Kit, spare part number 432967-001.
Removing the Display Bezel Screws 

5–40 Maintenance and Service Guide
Removal and Replacement Procedures
13. Flex the inside edges of the left and right sides 1 and the 
top and bottom sides 2 of the display bezel until the bezel 
disengages from the display enclosure.
14. Remove the display bezel 3.
Removing the Display Bezel
Display Assembly Subcomponents
Spare Part Number Information
Display bezels
For use with Dual Lamp display panels with camera
For use with Dual Lamp display panels without camera432956-001
436068-001
For use with...

Removal and Replacement Procedures
Maintenance and Service Guide 5–41
✎The camera module is secured to the display enclosure by a 
2-sided adhesive pad. Apply removal force to the middle of the 
module to remove it.
15. Remove the camera module 1 from the display enclosure.
16. Disconnect the camera cable 2 from the camera module.
Removing the Camera Module
Display Assembly Subcomponents
Spare Part Number Information
Camera module 432960-001 

5–42 Maintenance and Service Guide
Removal and Replacement Procedures
17. Remove the inverter 1 from the display enclosure.
18. Disconnect the display cable 2 and the backlight cable 3 
from the display inverter.
Removing the Display Inverter
Display Assembly Subcomponents
Spare Part Number Information
Display inverters
For use with Dual Lamp display panels
For use with Single Lamp display panels432959-001
431391-001 

Removal and Replacement Procedures
Maintenance and Service Guide 5–43
19. Remove the six Phillips PM2.5×8.0 screws 1 that secure 
the display panel to the display enclosure.
20. Remove the display panel 2.
Removing the Display Panel
Display Assembly Subcomponents
Spare Part Number Information
Display panels
17.0-inch, WXGA+, TFT Dual Lamp display panel with 
BrightView
17.0-inch, SXGA+, TFT Single Lamp display panel with 
BrightView
17.0-inch, WXGA+, TFT Single Lamp display panel with...

5–44 Maintenance and Service Guide
Removal and Replacement Procedures
21. Remove the two Phillips PM2.0×3.0 screws 1 that secure 
each display hinge to the display enclosure.
22. Remove the display hinges 2.
23. Slide the left and right display hinge covers 3 off of the 
display hinges.
Removing the Display Hinges
Display Assembly Subcomponents
Spare Part Number Information
Display Hinge Kits
For use with Dual Lamp display panels
For use with Single Lamp display panels432964-001
432963-001
Display hinge...