Compaq hp pavilion ze4100 notebook pc User Manual

							2-10 Removal and Replacement Service Manual
Removing the Keyboard Cover
(User-Replaceable)
Required Equipment
 • 
#1 Phillips screwdriver.
 • 
Small flat-blade screwdriver.
Removal Procedure
 
1. 
Unplug the AC adapter, if present, and then remove the battery.
 
2. 
Remove the two hinge cover screws that secure the keyboard cover to the rear of the notebook.
 
3. 
Carefully insert a flat-blade screwdriver blade under the keyboard cover near the right end, then
near the center, then near the left end, and then gently lift up the center of the cover. Gently pry up
the hinge covers if needed, being careful not to damage the plastics or wireless antenna underneath.
  Caution
 
Be careful not to damage the antenna PCA that is connected to the left and right display assembly
hinges. Damaging either antenna PCA can degrade notebook performance. 
						

							Service Manual Removal and Replacement 2-11
 
4. 
If necessary, while holding the center of the cover, carefully insert the flat-blade screwdriver under
the right side of the display assembly hinge, gently pry up, and then lift the cover out. This
procedure might need to be repeated on the left side of display assembly hinge to completely
remove the cover.
 
 
 
  Figure 2-7. Removing the Keyboard Cover
Reassembly Note
 • 
Insert the tabs on the left- and right-center of the panel into the mating slots under the keyboard,
and then press the panel into place.
Screw, M2.5×4mm (2) 
						

							2-12 Removal and Replacement Service Manual
Removing the Speaker Assembly
(User-Replaceable)
 Note:
 The following speaker assembly removal procedures apply only to Compaq Evo
Notebook N1010v and Compaq Presario 1100 Series notebooks. The Pavilion ze4100 Series
notebook speakers are integrated into the top case. Refer to the “Removing the Top Case” section
later in this chapter for procedures on removing the top case and speakers on the Pavilion ze4100
Series notebook.
Required Equipment
 • 
#1 Phillips screwdriver.
Removal Procedure
 
1. 
Unplug the AC adapter, if present, and then remove the battery.
 
2. 
Remove the keyboard cover (page 2-10).
 
3. 
Remove the screw that secures the speaker assembly to the top case.
 
4. 
Disconnect the 4-wire cable from the switchboard PCA.
 
  Figure 2-8. Removing the Speaker Assembly
 
Screw,
M2.5×6mm 
						

							Service Manual Removal and Replacement 2-13
Removing the Keyboard
(User-Replaceable)
Required Equipment
 • 
#1 Phillips screwdriver.
Removal Procedure
 
1. 
Unplug the AC adapter, if present, and remove the battery.
 
2. 
Remove the keyboard cover (page 2-10).
 
3. 
Remove the screws that secure the keyboard to the top case.
 
4. 
Lift up on the keyboard at the switchboard PCA end and then pull it toward the display assembly to
release the tabs from the top case.
 
5. 
Turn the keyboard over and disconnect the motherboard cable.
 
6. 
Remove the keyboard.
Reassembly Notes
  Caution
 
Do not excessively bend or fold the keyboard cable. Excessive flexing can damage the keyboard
cable connectors.
 • 
Lay the keyboard face down on the top case, forward of its normal position, then reconnect the
keyboard cable.
 • 
Slide the metal tabs on the bottom of the keyboard into their slots in the top case, then lower the
keyboard into place. 
						

							2-14 Removal and Replacement Service Manual
  Figure 2-9. Removing the Keyboard
Screw,
M2.5×4mm (4) 
						

							Service Manual Removal and Replacement 2-15
Removing the Switchboard PCA
(User-Replaceable)
Required Equipment
 • 
#1 Phillips screwdriver.
Removal Procedure
 
1. 
Unplug the AC adapter, if present, and then remove the battery.
 
2. 
Remove the keyboard cover (page 2-10).
 
3. 
Disconnect both the 2-wire and 4-wire cables that connect the switchboard PCA to the top case and
speaker assembly, respectively.
 
4. 
Remove the screws that secure the keyboard and switchboard PCA to the top case (page 2-13).
 
5. 
Gently lift up on the keyboard, carefully remove the switchboard PCA from the top case, and then
disconnect the underside motherboard cable.
 
  Figure 2-10. Removing the Switchboard PCA
 
Reassembly Note
 • 
Connect the underside motherboard cable before installing the switchboard PCA.
Screw, M2.5×4mm 
						

							2-16 Removal and Replacement Service Manual
Removing the CD/DVD Drive
(User-Replaceable)
Required Equipment
 • 
#1 Phillips screwdriver.
Removal Procedure
 
1. 
Unplug the AC adapter, if present, and remove the battery.
 
2. 
Remove these additional assemblies:
 • 
Keyboard cover (page 2-10).
 • 
Keyboard (page 2-13).
 
3. 
Remove the screws that secure the CD/DVD drive to the top case and motherboard.
 
4. 
Place your index finger in the top case opening and push out on the CD/DVD drive to release it
from the motherboard.
 
5. 
Remove the CD/DVD drive.
 
  Figure 2-11. Removing the CD/DVD Drive
Screw,
M2.5×4mm
Screw,
M2.5×6mm 
						

							Service Manual Removal and Replacement 2-17
Removing the Display Assembly
(Authorized Service Providers Only)
Required Equipment
 • 
#1 Phillips screwdriver.
Removal Procedure
 
1. 
Unplug the AC adapter, if present, and remove the battery.
 
2. 
Remove the keyboard cover (page 2-10).
 
3. 
Remove the two retaining screws from the rear of the notebook.
 
4. 
Remove the screws from the left and right antenna PCAs. Relocate the antenna PCAs away from
the display assembly hinges.
 
5. 
Disconnect the display assembly cable from the motherboard.
 
6. 
Remove the six retaining screws that secure the display assembly to the top case. Note that there is
a grounding strap at the left hinge.
 
7. 
Lift the display assembly off of the notebook. 
						

							2-18 Removal and Replacement Service Manual
 
  Figure 2-12. Removing the Display Assembly
Screws, silver
M2x4mm (2)
Screws,
M2.5×6mm (8) 
						

							Service Manual Removal and Replacement 2-19
Reassembly Notes
  Important
 
After replacing the display assembly or motherboard, you must use the Service Utilities floppy disk
to reprogram the EEPROM on the motherboard for the new display.
1.  Download the notebook series service package from the Partnership W eb site (see page vi),
and create a Service Utilities floppy disk as described in the package’s Readme file.
2.  Plug in an AC adapter.
3.  Insert the Service Utilities floppy disk in the floppy drive. If the unit has no internal floppy drive,
connect a USB floppy drive.
4.  Turn on the notebook.
5.  W hen you see the HP logo, press ESC to display the boot menu, then boot from the floppy
drive.
6.  Select the option to update the display/LCD identification stored on the motherboard.
 • 
Make sure you connect the grounding strap to the left display assembly hinge.
 • 
When connecting the left and right antenna PCAs, make sure they are parallel with the display
assembly hinges.