HP Omnibook Xe3 Ge Service Manual

							HP Omnibook XE3 (Technology Codes GE and GD) Removal and Replacement 2-29
Removing the Heatsink Assembly (with Fan)
(HP Authorized Service Providers Only)
Required Equipment
 
• #0 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 2-12).
 
• Display assembly (page 2-18).
 
• Top case (page 2-22).
 
• Hinge saddle set (page 2-25).
 3.
 Disconnect the fan cable from the motherboard.
 4.
 Loosen the four retaining screws with springs attached to them (the heatsink retains these screws).
 5.
 Remove the two remaining screws.
 6.
 Lift the heatsink out of the notebook.
 
 Figure 2-20. Removing the Heatsink Assembly
Reassembly Notes
 
• Make sure the fan cable is not pinned under the assembly.
 
• Make sure the thermal pad on the heatsink is not damaged, and replace if necessary.
Heatsink with screws
and springs
Screws,
M2.5x4 mm 
(2) 
						

							2-30 Removal and Replacement HP Omnibook XE3 (Technology Codes GE and GD)
Removing the CPU Module
(HP Authorized Service Providers Only)
 Table 2-10. CPU Module Replacement Part Numbers
DescriptionPart NumberExchange Part Number
Module, CPU (AMD Athlon, 1.1 GHz) 1822-0582 F3930-69101
Module, CPU (AMD Athlon, 1 GHz) 1822-0259 F2409-69104
Module, CPU (AMD Athlon, 950 MHz) 1822-0258 F3928-69101
Module, CPU (AMD Athlon, 900 MHz) 1822-0257 F2409-69103
Module, CPU (AMD Duron, 900 MHz) 1822-0580 F3931-69101
Module, CPU (AMD Duron, 850 MHz) 1822-0497 F2410-69102
Module, CPU (AMD Duron, 800 MHz) 1822-0528 F2410-69101
Required Equipment
 
• #0 Phillips screwdriver.
 
• Small flat-blade screwdriver.
 
• AMD CPU removal kit.
Removal Procedure
  Caution
 
Be careful not to touch the upper surface of the CPU module. Handle it only by its edges, or you
could damage it.
 1.
 Unplug the AC adapter, if present, and remove the battery.
 2.
 Remove these additional assemblies:
 
• Keyboard cover (page 2-10).
 
• Keyboard (page 2-12).
 
• Display assembly (page 2-18).
 
• Top case (page 2-22).
 
• Hinge saddle set (page 2-25).
 
• Heatsink assembly (page 2-29).
 3.
 Carefully place the CPU removal tool over the CPU.
 4.
 Insert the tip of a flat-blade screwdriver into the notch marked OPEN on the CPU mount bracket,
and tilt the screwdriver toward the CPU.
  Caution
 
Make sure the screwdriver applies pressure to the CPU removal tool, and not to the CPU itself. 
						

							HP Omnibook XE3 (Technology Codes GE and GD) Removal and Replacement 2-31
 
Figure 2-21. Removing the CPU Module
Reassembly Notes
 
• Two of the CPU module’s corners have no pins, and two corners of the CPU socket have no holes.
Align the module for reinstallation accordingly.
 
• Make sure none of the module’s pins are bent or otherwise damaged.
 
• Make sure the round pads on top of the CPU module are intact, and replace if needed.
 
• Insert the tip of a flat-blade screwdriver into the notch marked LOCK on the CPU mount bracket,
and tilt the screwdriver toward the CPU. Make sure the screwdriver applies pressure to the CPU
removal tool, and not to the CPU itself.
CPU module
CPU remove/install tool 
						

							2-32 Removal and Replacement HP Omnibook XE3 (Technology Codes GE and GD)
Removing the Floppy Disk Drive
(HP Authorized Service Providers Only)
Required Equipment
 
• #0 Phillips screwdriver.
Removal Procedure
 1.
 Unplug the AC adapter, if present, and remove the battery.
 
• Keyboard cover (page 2-10).
 
• Keyboard (page 2-12).
 
• Display assembly (page 2-18).
 
• Top case (page 2-22).
 
• Hinge saddle set (page 2-25).
 2.
 Release the drive’s ribbon cable from its connector on the motherboard.
 3.
 Remove the two retaining screws.
 4.
 Lift the floppy drive out of the notebook. 
						

							HP Omnibook XE3 (Technology Codes GE and GD) Removal and Replacement 2-33
 
 Figure 2-22. Removing the Floppy Disk Drive
Reassembly Notes
 
• Make sure the headphone PCA lies under the floppy disk drive bracket.
 
• Make sure the headphone PCA cable is not trapped under the floppy disk drive.
Screws,
M2.5x4 mm 
(2) 
						

							2-34 Removal and Replacement HP Omnibook XE3 (Technology Codes GE and GD)
Removing the CD/DVD Drive
(HP Authorized Service Providers Only)
Required Equipment
 
• #0 Phillips screwdriver.
Removal Procedure
 1.
 Unplug the AC adapter, if present, and remove the battery.
 
• Keyboard cover (page 2-10).
 
• Keyboard (page 2-12).
 
• Hard disk drive (page 2-14).
 
• Display assembly (page 2-18).
 
• Top case (page 2-22).
 
• Hinge saddle set (page 2-25).
 2.
 Pull the drive to the right, off of its connector and out of the notebook.
 
 Figure 2-23. Removing the CD/DVD Drive
Reassembly Notes
 
• Place the drive so that its connector aligns with that on the motherboard, then gently press it to the
left and into place. 
						

							HP Omnibook XE3 (Technology Codes GE and GD) Removal and Replacement 2-35
Removing the Motherboard or Bottom Case
(HP Authorized Service Providers Only)
Required Equipment
 
• #0 Phillips screwdriver.
 
• 5 mm hexagonal socket screwdriver.
When Installing a New Motherboard
Before replacing the motherboard, you must (if possible) electronically store the motherboard’s serial
number and service ID for transfer to the new motherboard.
 1.
 Exit Windows and boot to a DOS prompt:
 2.
 Run ESN.EXE from one of these sources:
 
• On a factory software installation, change to \hp\drivers\hputils and type 
esn at the prompt.
– or –
 
• Copy \hp\drivers\hputils\ESN.EXE from the 
Recovery CD, then run it on the notebook.
 3.
 Save the serial number and service ID.
Removal Procedure
 1.
 Unplug the AC adapter, if present, and remove the battery.
 2.
 Remove these additional assemblies:
 
• Battery (page 2-4).
 
• SDRAM modules (page 2-5).
 
• Mini-PCI PCA (page 2-7).
 
• Keyboard cover (page 2-10).
 
• Keyboard (page 2-12).
 
• Hard disk drive (page 2-14).
 
• Display assembly (page 2-18).
 
• Top case (page 2-22).
 
• Hinge saddle set (page 2-25).
 
• Video PCA (page 2-27).
 
• Heatsink assembly (page 2-29).
 
• CPU module (page 2-30).
 
• Floppy disk drive (page 2-32).
 
• CD/DVD drive (page 2-34).
 3.
 Remove the standoff screws from the back of the notebook.
 4.
 Remove both retaining screws from the motherboard.
 5.
 Disconnect the cable (modem models only) or cables (modem/LAN models only) at the right rear
corner of the motherboard. 
						

							2-36 Removal and Replacement HP Omnibook XE3 (Technology Codes GE and GD)
 6.
 Disconnect the cable from the headphone PCA, and remove the PCA.
 7.
 Remove the CPU standoffs.
 8.
 Remove the CD/DVD drive support from near the right rear corner of the motherboard.
 9.
 Lift the front edge of the motherboard slightly, then lift the motherboard forward and out of the
bottom case.
 
 Figure 2-24. Removing the Motherboard
Reassembly Procedure
 
• When reinstalling the motherboard, see “Reinstalling the Motherboard“ on page 2-37.
 
• When reinstalling the bottom case, see “Replacing the Bottom Case“ on page 2-38.
Screw,
M2.5x5 mm 
(1)
Screw,
M2.5x5 mm 
(1)
Standoff screws, 5 mm (6)CPU standoff
screws, 5 mm (4)
Headphone
PCA
CD/DVD support 
						

							HP Omnibook XE3 (Technology Codes GE and GD) Removal and Replacement 2-37
Reinstalling the Motherboard
Reassembly Procedure
 1.
 Insert the I/O connectors through their openings in the bottom case, then lower the motherboard
into place.
 
• Be careful not to trap the modem or modem/LAN cable(s) or headphone PCA cable under the
motherboard (modem and modem/LAN models only).
 
• Fit the modem cable through the notch on the edge of the motherboard, and make sure the
LAN cable doesn’t block the nearby screw tab.
 
• Make sure the alignment posts in the bottom case fit through the holes at the back left and
front right corners of the motherboard.
 2.
 Reconnect the cable (modem models only) or cables (modem/LAN models only) at the right rear
corner of the motherboard.
 3.
 Reconnect the headphone PCA cable.
When Installing a New Motherboard
After installing a new motherboard, you must electronically transfer to it the serial number and service
ID from the previous motherboard.
 1.
 Exit Windows and boot to a DOS prompt.
 2.
 Run ESN.EXE from the same source you ran it from when saving the serial number and service ID
from the previous motherboard:
 
• On a factory software installation, change to \hp\drivers\hputils and type 
esn at the prompt.
– or –
 
• Copy \hp\drivers\hputils\ESN.EXE from the 
Recovery CD, then run it on the notebook.
 3.
 Install the serial number and service ID.
 
• If you are prompted for the serial number, type the serial number shown on the bottom of the
case.
 
• If a serial number has already been stored, you must call an HP support center to change it. 
						

							2-38 Removal and Replacement HP Omnibook XE3 (Technology Codes GE and GD)
Replacing the Bottom Case
Installation Procedure
 1.
 Install a new Microsoft Product ID label.
 2.
 Transfer the old serial number label and install a new overlay, or create a new serial number label
using the steps below.
 3.
 If you need to install or replace the PCMCIA doors, refer to the figure below.
 
 Figure 2-25. Installing the PCMCIA Doors