Toshiba Appendix A: TOSHIBA Function Keys.................................... 170

22 Contents
5.375 x 8.375 ver 2.3
Problems when you turn on the computer............141
The Windows® operating system
is not working.................................................143
Using Startup options to fix problems ............144
Internet problems ...........................................146
The Windows® operating system
can help you .............................................146
Fixing a problem with Device Manager .................147
Checking device properties.............................147
Memory problems ................................................148
Power and the batteries ........................................149
Keyboard problems...............................................150
Display problems..................................................151
Disk or storage drive problems.............................153
Error-checking................................................ 153
Optical disc drive problems...................................155
Sound system problems.......................................156
ExpressCard® problems........................................156
ExpressCard® checklist...................................157
Resolving ExpressCard® problems .................157
Printer problems...................................................158
Wireless networking problems..............................159
DVD operating problems.......................................161
Develop good computing habits ...........................162
Data and system configuration backup
in the Windows® operating system...........163
If you need further assistance...............................167
Contacting Toshiba......................................... 168
Other Toshiba Internet Web sites..........................168
Toshiba’s worldwide offices..................................169
Appendix A: TOSHIBA Function Keys.................................... 170
Functions.............................................................. 170
Lock (Instant security)....................................171
Power plan......................................................171
Sleep mode.....................................................171
Hibernation mode ...........................................171