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HP Omnibook Xt1000 Service Manual

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Page 21

HP Pavilion zt1100/xz100 Omnibook xt1000  Product Information  1-15 
Table 1-6. Functional Structure 
Function  Components Used  Component Roles 
Bootup CPU module 
Motherboard 
Hard disk drive 
CD/DVD drive module Main processor. 
Primary system circuitry. 
First source of disk-based startup code. 
Second source of disk-based startup code. 
Processor CPU module 
Motherboard Main processor, numeric data processor, L1 and L2 cache. 
Primary system circuitry. 
Memory SDRAM module  Video RAM (shared)....

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Page 23

HP Pavilion zt1100/xz100 Omnibook xt1000  Removal and Replacement  2-1 
2 
Removal and Replacement 
This chapter shows how to remove and replace the notebook’s components, listed in the following 
table. The items marked by 
• are user-replaceable. 
  Table 2-1. Removal Cross-Reference 
  
Antenna, Bluetooth (page 2-20). 
Antenna, wireless (page 2-20). 
• Battery (page 2-4). 
Bezel, display (page 2-20). 
Card, mini-PCI (page 2-16). 
Case, bottom (page 2-32). 
Case, top (page 2-27). 
• Cover, expansion...

Page 24

2-2  Removal and Replacement  HP Pavilion zt1100/xz100 Omnibook xt1000 
Disassembly Flowchart 
The following diagram shows the general “paths” you will use in disassembling the notebook to access 
any particular component. 
 
Figure 2-1. Disassembly Flow 
Start 
Battery, AC adapter, secondary 
SDRAM module, mini-PCI card, 
hard disk drive, DVD/CD-RW drive 
Keyboard cover 
Keyboard 
B 
Left speaker 
Right speaker 
 Docking doors 
 PCMCIA doors 
 PCMCIA socket
 
A 
Display assy 
Heatsink 
CPU module...

Page 25

HP Pavilion zt1100/xz100 Omnibook xt1000  Removal and Replacement  2-3 
Table 2-2. Required Equipment 
• #0 Phillips screwdriver, preferably magnetized. 
• Small flat-blade screwdriver. 
 
Table 2-3. Recommended Screw Torques 
Screw Thread Size Torque (cm-kgf) Torque (in-lbf) 
M2.5 (2–11 mm long)  3.0 – 3.5  2.6 – 3.0 
M3 3.0 – 3.5  2.6 – 3.0 
 
 
NOTES  

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2-4  Removal and Replacement  HP Pavilion zt1100/xz100 Omnibook xt1000 
Removing the Battery 
(User-Replaceable) 
Required Equipment 
• None. 
Removal Procedure 
• Slide the battery’s release latch in the direction of the arrow on the latch, then lift the battery out of 
its compartment. 
 
Figure 2-2. Removing the Battery 
Reassembly Notes 
• Insert the front end of the battery into the battery compartment, then press the back end in until the 
battery clicks into place.  

Page 27

HP Pavilion zt1100/xz100 Omnibook xt1000  Removal and Replacement  2-5 
Removing a Plug-In Module 
(User-Replaceable) 
Required Equipment 
• None. 
Removal Procedure 
• Slide the module release latch in the direction shown by the arrow on the latch, and remove the 
module. 
  
 
 
 
Figure 2-3. Releasing the Plug-in Module  

Page 28

2-6  Removal and Replacement  HP Pavilion zt1100/xz100 Omnibook xt1000 
Removing the Hard Disk Drive 
(User-Replaceable) 
Required Equipment 
• #0 Phillips screwdriver. 
Removal Procedure 
1.  Unplug the AC adapter, if present, and remove the battery. 
2.  On the bottom of the unit, remove both hard drive retaining screws. 
  
 
 
 
Figure 2-4. Removing the Hard Disk Drive 
3.  Carefully pull the hard drive out of the notebook. 
4.  Remove all four screws from the hard drive tray and drive case, then...

Page 29

HP Pavilion zt1100/xz100 Omnibook xt1000  Removal and Replacement  2-7 
  
 
 
 
Figure 2-5. Removing the Hard Disk Tray 
Reassembly Notes 
• Insert the connector end of the drive through the opening in the tray, then lower the drive into 
place. 
• Carefully slide the hard drive assembly into its compartment. Press firmly to make sure the 
connector seats properly. 
 
Important 
If you are installing a new hard disk drive, install the factory software and operating system on the 
drive before loading...

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2-8  Removal and Replacement  HP Pavilion zt1100/xz100 Omnibook xt1000 
Recovering and Reinstalling Software 
Use the Recovery CDs to reinstall the original factory software and operating system. The Recovery 
CDs also provide all HP notebook–specific Windows drivers, which are available in the following 
locations: 
• On the hard drive, under c:\hp\drivers. 
• On the Recovery CDs, under \hp\drivers. 
• On the HP Business Support web site (www.hp.com/go/bizsupport). This web site contains the 
latest...
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