Sony PCV-RS221 VAIO User Guide - Page 96

4. Change the Screen resolution and Color quality to the desired levels. 5. Click Apply and then click OK. If you see video but cannot hear audio, check all of the following:  Verify that your DVD player's mute feature is turned off.  Check the master volume setting in the Audio Mixer.  Check the volume settings on your computer speakers.  Check the connections between your speakers and the computer.  Verify that drivers are installed properly, by following these steps: 1. Click Start in the Windows taskbar, then select Control Panel. 2. Click Performance and Maintenance and then click Systems. The System Properties dialog box appears. 3. Select the Hardware tab and then select the Device Manager button to view installed drivers. A dirty or damaged disc may also cause the computer to stop responding while it tries to read the disc. If necessary, remove the disc and check that it is not dirty or damaged. To recover the CD or DVD software applications that are preinstalled on your computer, see Application Recovery for more information. Why doesn't my recordable optical drive (DVD-RW/CD-RW) record to CD-RW media? If you are having difficulty with writing, erasing, or formatting on your CD-RW media, the reason may be that the media is not compatible with your high-speed CD-RW drive. Sony recommends using CD-RW media that is identified as "high-speed" (4X or higher) for maximum performance and compatibility. 1 T he V A I O "W" s eries c omputer us es 1 2 8 0 x 7 6 8 for the default video res olution s etting. Page 96