Sony VGN-Z790D - Manual (Page 181)

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Troubleshooting >
Optical Discs
What should I do if I cannot play a disc properly on my computer?
❑ Make sure the disc is inserted into the optical disc drive with the label facing upward.
❑ Make sure the necessary program(s) is installed according to the manufacturer's instructions.
❑ If a disc is dirty or damaged, your computer will stop responding. Follow these steps:
1 Press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and Restart to restart the computer.
!
Turning off your computer with the Ctrl+Alt+Delete keys may cause loss of unsaved data.
2 Remove the disc from the optical disc drive.
3 Check the disc for dirt or damage. If you need to clean the disc, see Handling Discs (page 148) for instructions.
❑ If you are playing a disc and cannot hear sound, do any of the following:
❑ The volume may have been turned off by the Fn+F2 keys. Press them once again.
❑ The volume may have been minimized by the Fn+F3 keys. Keep pressing the Fn+F4 keys to turn up the volume loud
enough to hear sound.
❑ Right-click the volume icon on the taskbar and click Open Volume Mixer to check the settings.
❑ Check the volume setting in the audio mixer.
❑ If you are using external speakers, check the volume settings on the speakers and the connections between the
speakers and your computer.
❑ Make sure the correct driver software is installed. Follow these steps:
1
Click Start and Control Panel.
2 Click System and Maintenance.
3 Click System.