HP Omnibook Xe4100 Service Manual

							HP Omnibook XE4100/XE4500 Removal and Replacement 2-7
Removing the Hard Disk Drive
(User-Replaceable)
Required Equipment
 • Small Phillips screwdriver.
Removal Procedure
  Important
 
If you are installing a new hard disk drive, load the factory software and operating system on the
drive as described in “Recovering the Factory Software,” as shown on the next page.
 1. Unplug the AC adapter, if present, and then remove the battery.
 2. On the bottom of the notebook, remove the hard drive rubber screw plugs and retaining screws.
 3. Carefully pull the hard drive out of the notebook.
 
  Figure 2-5. Removing the Hard Disk Drive
Screw, M2.5×6mm (2) 
						

							2-8 Removal and Replacement HP Omnibook XE4100/XE4500
 4. Remove the screws from the drive and drive tray, then lift the drive out of the tray.
 5. Remove the connector from the hard disk drive.
 
Figure 2-6. Removing the Hard Disk Drive Tray
Recovering the Factory Software
The following procedure describes how to recover the notebook’s original software and operating
system. This process can take up to 15 minutes to complete. (For more information about recovering
the factory software installation, see the readme.txt file in the root directory of the Recovery CDs.)
 
Caution
 
Do not interrupt the following process or unplug the AC adapter until the process completes.
 1. Connect the AC adapter to the notebook.
 2. Insert Recovery CD disk 1 into the notebook’s CD/DVD drive. If the notebook is turned off, use a
pin or straightened paper clip to press the release switch on the drive door to open it.
 3. Turn on or restart the notebook.
 4. When the HP logo appears, press Esc to display the Boot menu.
 5. Use the arrow keys to select the CD/DVD drive as the first boot device, then press Enter.
 6. When the Recovery CD dialog box appears, follow the displayed instructions. If prompted, accept
the recommended partition size.
 To create the Utility partition without installing the factory software, click Advanced and select not
to install the operating system.
 If the hard disk is partitioned into several logical drives, you can install the factory software on
drive C without affecting other drives. Click Advanced and select to restore only the C partition.
 7. When prompted to reboot the notebook, press Ctrl+Alt+Del and follow any instructions that
appear.
Screw, M3×4mm (4) 
						

							HP Omnibook XE4100/XE4500 Removal and Replacement 2-9
Replacing Small Parts
(User-Replaceable)
The user can replace the following small parts.
  Table 2-4. Replacing Small Parts (User-Replaceable)
PartReplacement Procedure
Rubber screw plugs,
display (on display bezel)Insert a small flat-blade screwdriver under the rubber screw plug and pry it
loose. To replace, firmly press the adhesive side of the screw plug into the
recess.
Door, mini-PCIOn the bottom of the notebook, loosen the screws that secure the mini-PCI
door to the bottom case and then remove the door.
Door, memoryOn the bottom of the notebook, loosen the screws that secure the SDRAM
module door to the bottom case and then remove the door.
Feet, rubber (on bottom of
notebook)Insert a small flat-blade screwdriver under the foot and pry it loose. To
replace, firmly press the adhesive side of the foot into the recess.
Rubber cover, docking port
(XE4500 only)Grasp the rubber docking port cover with your fingers and gently remove it. To
replace, firmly press the docking port cover into the opening in the bottom
case.
Cover, modem portInsert a small flat-blade screwdriver at the top of the cover and gently pry it
loose. To replace, insert the cover into the modem port opening. 
						

							2-10 Removal and Replacement HP Omnibook XE4100/XE4500
Removing the Keyboard Cover
(User-Replaceable)
Required Equipment
 • Small Phillips screwdriver.
 • Small flat-blade screwdriver.
Removal Procedure
 1. Unplug the AC adapter, if present, and then remove the battery.
 2. Remove the two 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, and
then gently pry up the center of the cover.
  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. 
						

							HP Omnibook XE4100/XE4500 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 HP Omnibook XE4100/XE4500
Removing the Speaker Assembly
(User-Replaceable)
Required Equipment
 • Small 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 
						

							HP Omnibook XE4100/XE4500 Removal and Replacement 2-13
Removing the Keyboard
(User-Replaceable)
Required Equipment
 • Small 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 HP Omnibook XE4100/XE4500
  Figure 2-9. Removing the Keyboard
Screw,
M2.5×4mm (4) 
						

							HP Omnibook XE4100/XE4500 Removal and Replacement 2-15
Removing the Switchboard PCA
(User-Replaceable)
Required Equipment
 • Small 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 HP Omnibook XE4100/XE4500
Removing the CD/DVD Drive
(User-Replaceable)
Required Equipment
 • Small 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