HP Omnibook Xe4500 Service Manual

HP Omnibook XE4100/XE4500 Removal and Replacement 2-17
Removing the Display Assembly
(HP Authorized Service Providers Only)
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 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...

2-18 Removal and Replacement HP Omnibook XE4100/XE4500
 
  Figure 2-12. Removing the Display Assembly
Screws, silver
M2x4mm (2)
Screws,
M2.5×6mm (8) 

HP Omnibook XE4100/XE4500 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 Omnibook XE4000 Series service package from the Partnership web site (see
page vii), 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...

2-20 Removal and Replacement HP Omnibook XE4100/XE4500
Removing the Top Case
(HP Authorized Service Providers Only)
Required Equipment
 • Small Phillips screwdriver.
Removal Procedure
 1. Unplug the AC adapter, if present, and remove the battery.
 2. Remove these additional assemblies:
 • Hard disk drive (page 2-6).
 • Keyboard cover (page 2-10).
 • Speaker assembly (page 2-12).
 • Switchboard PCA (page 2-13).
 • Keyboard (page 2-13).
 • CD/DVD drive (page 2-16).
 • Display assembly (page 2-17).
 3....

HP Omnibook XE4100/XE4500 Removal and Replacement 2-21
 
  Figure 2-13. Removing the Top Case
Screw, M2.5×4mm
Screw,
M2.5×6mm (15)
Screw,
M2.5×7mm (2) Screw, M2.5×4mm 

2-22 Removal and Replacement HP Omnibook XE4100/XE4500
Removing the Floppy Drive
(HP Authorized Service Providers Only)
Required Equipment
 • Small Phillips screwdriver.
Removal Procedure
 1. Unplug the AC adapter, if present, and remove the battery.
 2. Remove these additional assemblies:
 • Hard disk drive (page 2-6).
 • Keyboard cover (page 2-10).
 • Switchboard PCA (page 2-13).
 • Keyboard (page 2-13).
 • Display assembly (page 2-17).
 • Top case (page 2-20).
 3. Remove the screws (right side) that...

HP Omnibook XE4100/XE4500 Removal and Replacement 2-23
 
  Figure 2-14. Removing the Floppy Drive
Screw,
M2.5×4mm (2)
Screw,
M2.5×4mm (2) 

2-24 Removal and Replacement HP Omnibook XE4100/XE4500
Reassembly Notes
  Caution
 
Do not excessively bend or fold the floppy drive cable. Excessive flexing can damage the floppy
drive cable connections.
 • Connect the floppy drive cable to the motherboard prior to replacing the floppy drive and hard disk
drive guide.
 • When replacing the hard disk drive guide, do not secure the left side to the motherboard. The left
side of the guide gets secured during the top case replacement procedure. 

HP Omnibook XE4100/XE4500 Removal and Replacement 2-25
Removing the Infrared (I/R) PCA
(HP Authorized Service Providers Only)
Required Equipment
 • Small Phillips screwdriver.
Removal Procedure
 1. Unplug the AC adapter, if present, and remove the battery.
 2. Remove these additional assemblies:
 • Hard disk drive (page 2-6).
 • Keyboard cover (page 2-10).
 • Switchboard PCA (page 2-13).
 • Keyboard (page 2-13).
 • Display assembly (page 2-17).
 • Top case (page 2-20).
 3. Disconnect the cable from the...

2-26 Removal and Replacement HP Omnibook XE4100/XE4500
Reassembly Note
  Caution
 
Use care when handling the I/R PCA cable. Damaging the cable can degrade notebook
performance.
 • Make sure you route the I/R PCA cable between the left screw hole and the bottom case.
 
  Figure 2-15. Removing the I/R PCA
Screw,
M2.5×4mm (2)