Sony PCG-XG29 Manual

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Troubleshooting
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If nothing occurs doing the step above, press the power button for 
more than four seconds to turn off the computer.
If the pointer does not move while playing a disc, press 
Ctrl+Alt+Delete to stop playback and restart the computer.
When I click an application icon a message appears, such as “You must insert 
the application CD into your DVD-ROM/CD-RW drive,” and the software does 
not start
Some titles require specific files that are located on the application’s 
CD-ROM. Insert the disc and try starting the program again.
Make sure you place the disc in the tray with the label side facing up.
My floppy disk drive cannot write to a diskette
If the diskette is write-protected, disable the write-protect feature or 
use a diskette that is not write-protected.
Check that the diskette is properly inserted into the floppy disk drive.
My speakers have no sound
If the built-in speakers are turned off, press Fn+F3 to turn on the 
speakers. You can also turn on the speakers using the Jog Dial control.
If the speaker volume is turned to the minimum, press Fn+F4, and 
then press 
 or 
 to increase the volume or you can use the Jog Dial 
control to control the volume. 
If your computer is powered by batteries, check that the battery packs 
are inserted properly and that they are charged.
If you are using an application that has its own volume control, check 
that the volume is turned up.
Check the volume controls in Windows.®
If you connect external speakers, check that the speakers are properly 
connected and the volume is turned up. If the speakers have a mute 
button, make sure it is off. If the speakers are powered by batteries, 
check that the batteries are inserted properly and that they are 
charged.
If you have connected an audio cable to the Headphone connector, 
disconnect the cable.