HP Pavilion DV7-4070 User Manual page 9

Locating the Fingerprint Reader ........................................................................................ 83
Registering fingerprints ...................................................................................................... 83
Using your registered fingerprint to log on to Windows ..................................................... 84
11 Troubleshooting .......................................................................................................................................... 85
Cannot connect to a WLAN ................................................................................................................ 85
Cannot connect to a preferred network .............................................................................................. 86
Network icon is not displayed ............................................................................................................. 86
Current network security codes are unavailable ................................................................................ 86
WLAN connection is very weak .......................................................................................................... 87
Cannot connect to the wireless router ................................................................................................ 87
The optical disc tray does not open for removal of a CD, a DVD, or a BD ......................................... 88
The computer does not detect the CD, DVD, or BD drive .................................................................. 88
A CD, DVD, or BD does not play ........................................................................................................ 89
A CD, DVD, or BD does not play automatically .................................................................................. 90
A DVD or BD movie stops, skips, or plays erratically ......................................................................... 90
A DVD or BD movie is not visible on an external display ................................................................... 90
The process of burning a CD or DVD does not begin, or it stops before completion ......................... 91
A DVD or BD playing in Windows Media Player produces no sound or display ................................ 91
A device driver must be reinstalled .................................................................................................... 91
Obtaining the latest HP device drivers ............................................................................... 92
Obtaining the latest Windows device drivers ..................................................................... 92
Appendix A Setup Utility (BIOS) ..................................................................................................................... 93
Starting Setup Utility ........................................................................................................................... 93
Using Setup Utility .............................................................................................................................. 94
Changing the language of Setup Utility ............................................................................. 94
Navigating and selecting in Setup Utility ............................................................................ 94
Displaying system information ........................................................................................... 94
Restoring default settings in Setup Utility .......................................................................... 95
Exiting Setup Utility ............................................................................................................ 95
Setup Utility menus ............................................................................................................................ 96
Main menu ......................................................................................................................... 96
Security menu .................................................................................................................... 96
System Configuration menu .............................................................................................. 96
Diagnostics menu .............................................................................................................. 97
Appendix B Software updates ........................................................................................................................ 98
Updating the BIOS ............................................................................................................................. 99
Determining the BIOS version ........................................................................................... 99
Downloading a BIOS update ............................................................................................. 99
Updating programs and drivers ........................................................................................................ 100
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