Features ................................................................................................................................................ 1-8

Operation............................................................................................................................................ 1-14

Specifications ..................................................................................................................................... 1-18

Internal Design................................................................................................................................... 1-24

Removal and Replacement............................................................................................ 2-1

Disassembly Flowchart ........................................................................................................................ 2-3

Removing the Battery .......................................................................................................................... 2-4

Removing an SDRAM Module............................................................................................................ 2-5

Removing the Wireless LAN Mini PCI Card ...................................................................................... 2-7

Removing the Hard Disk Drive............................................................................................................ 2-9

Recovering the Factory Software....................................................................................................... 2-11

Replacing Small Parts ........................................................................................................................ 2-12

Removing the Keyboard Cover.......................................................................................................... 2-13

Removing the Speaker Assembly ...................................................................................................... 2-15

Removing the Keyboard .................................................................................................................... 2-16

Removing the Switchboard PCA ....................................................................................................... 2-19

Removing the CD/DVD Drive........................................................................................................... 2-20

Removing the Display Assembly....................................................................................................... 2-23

Removing the Top Case ..................................................................................................................... 2-26

Removing the Floppy Drive............................................................................................................... 2-32

Removing the Infrared (I/R) PCA...................................................................................................... 2-36

Removing the Audio PCA ................................................................................................................. 2-38

Removing the Heat Sink (with Fan)................................................................................................... 2-40

Removing the CPU Module ............................................................................................................... 2-44

Removing the RJ11/1394 Connector Module.................................................................................... 2-48

Removing the Motherboard ............................................................................................................... 2-50

Replacing Components on a Bottom Case ......................................................................................... 2-59

Repairing the BIOS IC....................................................................................................................... 2-61

Removing Other Components............................................................................................................ 2-63

Troubleshooting and Diagnostics ................................................................................. 3-1

Support Service Partners...................................................................................................................... 3-2

Troubleshooting ................................................................................................................................... 3-3

Diagnostic Tools ................................................................................................................................ 3-18

Replaceable Parts........................................................................................................... 4-1

Reference Information .................................................................................................. 5-1

Password Removal Policy.................................................................................................................... 5-2

Hewlett-Packard Display Quality Statement........................................................................................ 5-3

Service Notes and Obsolete Parts ........................................................................................................ 5-5

Service Manual

iii