Sony VAIO PCG-GR250 User Manual page 5

About the Software on Your Notebook .103
Software Overview..................................................104
Application, Driver, and System Recovery CDs.....110
Using Your Recovery CDs......................................111
To use the Application Recovery CD(s)..........................111
To use the Driver Recovery CD(s) ..................................112
To use the System Recovery CD(s) .................................115
Troubleshooting ......................................117
Troubleshooting Your Notebook ............................118
My notebook does not start..............................................118
My notebook starts but a BIOS error appears..................118
My notebook starts, but the message "Operating system not
found" appears and Windows does not start....................119
My notebook stops responding or does not shut down....120
The power management setting is not responding...........120
The sound of my notebook's fan is too loud. ..................121
Why does the System Properties dialog box display a slower
CPU speed than advertised? ............................................121
Troubleshooting the LCD Screen............................122
My LCD screen is blank. .................................................122
My LCD screen continues to show the previous screen. .122
The image on my connected external display is not centered
or sized properly. .............................................................122
I want to change the video resolution of my display. ......122
I cannot switch the LCD display to TV, and vice versa. .122
Troubleshooting the Mouse and Touchpad .............123
My mouse does not work.................................................123
My touchpad does not work properly. .............................123
The pointer does not move while using the Touchpad or
Mouse...............................................................................124
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