HP Pavilion N5402L - Page 9

Reference Guide 9
Service and Support ....................................................................................................... 79
Hewlett-Packard Limited Warranty Statement ........................................................... 80
Getting Support for Your HP Notebook PC ............................................................... 82
To use the Reference Guide ..................................................................................82
To get help from the HP notebook web site..........................................................82
To call HP for service and support........................................................................ 83
Obtaining Repair Service............................................................................................ 86
To receive warranty repair service........................................................................86
To prepare your computer for shipment................................................................ 87
Solving Problems with Your Computer ....................................................................... 89
Troubleshooting Techniques.......................................................................................90
Audio problems..................................................................................................... 90
CD and DVD problems.........................................................................................91
Display problems .................................................................................................. 93
Hard disk drive problems...................................................................................... 95
Heat problems ....................................................................................................... 95
Keyboard, touch pad, and mouse problems ..........................................................96
LAN problems.......................................................................................................97
Memory problems ................................................................................................. 98
Modem problems .................................................................................................. 99
One-Touch button problems ............................................................................... 102
PC card (PCMCIA) problems .............................................................................103
Performance problems ........................................................................................104
Power and battery problems................................................................................ 105
Printing problems................................................................................................106
Serial, parallel, and USB problems ..................................................................... 107
Startup problems ................................................................................................. 108
Standby and resume problems ............................................................................109
Video file playback problems ............................................................................. 110
Testing Hardware Operation.....................................................................................111
Recovering and Reinstalling Software......................................................................113
To recover the factory installation of your hard disk .......................................... 113
To replace a damaged Recovery CD ................................................................... 114
To update the HP notebook BIOS....................................................................... 114
To recover an application....................................................................................115
Specifications and Regulatory Information ............................................................... 117
Hardware and BIOS Specifications .......................................................................... 118
BIOS Setup utility options .................................................................................. 118
Hardware specifications...................................................................................... 121
Modem Reference Information................................................................................. 123
AT commands (Ambit) .......................................................................................123
S-registers (Ambit)..............................................................................................128
Selected result codes (Ambit) ............................................................................. 129