Contents

1.

 

Product Information ......................................................................................................

1-1

Features and Operation .................................................................................................................

1-3

Turning the OmniBook On and Off.......................................................................................

1-4

Checking the Status of the OmniBook...................................................................................

1-5

Using Fn Hot Keys.................................................................................................................

1-6

Resetting the OmniBook........................................................................................................

1-6

System Resources ..................................................................................................................

1-7

Specifications................................................................................................................................

1-9

Internal Design............................................................................................................................

1-14

Removal and Replacement ............................................................................................

2-1

Removing the Battery or Plug-In Module (User-Replaceable).....................................................

2-3

Removing a RAM Board (User-Replaceable) .............................................................................

2-4

Removing the Hard Disk Drive (User-Replaceable) ....................................................................

2-5

Replacing Small Parts (User-Replaceable)...................................................................................

2-8

Removing the Keyboard (HP Authorized Service Providers Only) .............................................

2-9

Removing the Display Assembly (HP Authorized Service Providers Only)..............................

2-11

Removing the LCD Module (HP Authorized Service Providers Only)......................................

2-13

Removing the Top Case (HP Authorized Service Providers Only)............................................

2-16

Removing the CPU Module (HP Authorized Service Providers Only)......................................

2-19

Removing the Motherboard or Bottom Case (HP Authorized Service Providers Only) ............

2-24

Removing or Repairing the BIOS IC (HP Authorized Service Providers Only)........................

2-29

Removing Other Components (HP Authorized Service Providers Only)...................................

2-31

Troubleshooting and Diagnostics..................................................................................

3-1

Troubleshooting............................................................................................................................

3-2

Troubleshooting the Problem.................................................................................................

3-2

Verifying the Repair ..............................................................................................................

3-3

Suggestions for Troubleshooting ...........................................................................................

3-4

Diagnostic Tools.........................................................................................................................

3-13

OmniBook Diagnostic Program...........................................................................................

3-13

Power-On Self-Test .............................................................................................................

3-20

Sycard PCCtest 450 CardBus Card (Optional)....................................................................

3-23

Desktop Management Interface (DMI)................................................................................

3-24

BIOS Setup Utility...............................................................................................................

3-26

Replaceable Parts ...........................................................................................................

4-1

Reference Information ...................................................................................................

5-1

Password Removal Policy ............................................................................................................

5-1

Hewlett-Packard Display Quality Statement ................................................................................

5-2

Service Notes and Obsolete Parts .................................................................................................

5-6

HP OmniBook 4100/4150

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