Sony PCG-R505JSP Manual

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You may need to use your supplied Driver Recovery CD to reinstall the 
touchpad or mouse drivers. See “To use the Driver Recovery CD(s)” on 
page 55 for more information.

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If the floppy disk is write-protected, disable the write-protect feature or use a 
floppy disk that is not write-protected.

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Verify that the floppy disk is properly inserted into the floppy disk drive.

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If the floppy disk is write-protected, disable the write-protected feature or 
use a floppy disk that is not write-protected.

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Make sure the label of the disc is facing up.

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If the disc requires software, make sure the software is installed according to 
the manufacturer’s instructions.

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A dirty or damaged disc may cause the notebook to stop responding while it 
tries to read the disc. If necessary, restart the notebook, remove the disc, and 
check disc for dirt or damage.

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If you see video but can not hear audio, check all of the following:

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Check that your optical drive does not have the mute setting enabled.

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Check the volume setting in the audio mixer. 

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If you are using external speakers, check the volume settings, and then 
check the connections between your external speakers and the 
notebook. 

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(Windows XP) Click Start on the Windows taskbar, then Control Panel, 
then System, and then Device Manager. Check that the correct drivers 
are installed properly. 
(Windows 2000) Click Start on the Windows taskbar, then Settings, then 
Control Panel, then System, and select Device Manager. Check that the 
correct drivers are installed properly.

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Do not use adhesive labels to identify the CD. The label may come off while 
the disc is in use in the optical drive and cause the drive to malfunction.