Sony PCV-RX460 Manuel d'utilisateur télécharger pdf (Page 76)

VAIO® Computer User Guide

Topic: How do I change the video resolution of my display?

1 From the Start menu, select Settings, and then select Control Panel.

2 Click the Display icon and select the Settings tab.

3 Move the Display area slider to change the resolution.

4 Click OK.

Topic: Why is there no sound in any application?

There are independent controls for your system volume.

❑ Check that the speakers are plugged into the Headphones jack.

❑ 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 the speakers use an external power source, make sure that the power cord

is plugged into a grounded wall outlet or power strip.

❑ If the speakers have their own volume control, check the volume level.

❑ If the program you are using has its own volume control, check that the

volume is turned up.

❑ Check the volume controls in the application, in the audio mixer, and in

Windows. There is a volume control icon on the Windows

taskbar. Click

the icon and slide the level bar up to increase the volume.

❑ Check that the Mute check box is not selected in the Windows volume

control .

❑ If you connected headphones to the computer, you will not hear sound from

the speakers.

✍

You may need to reinstall the sound drivers. See “Using the Driver Recovery CD” in

this manual.

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Sony PCV-RX460 Manuel d'utilisateur Page 76