Sony PCG-R505DLP - Manual (Page 133)

Troubleshooting Audio
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6 Click the Properties tab.
7 Select the “Enable digital CD audio for this CD-ROM device” check
box if it is not already selected, and then click OK.
❑ If your notebook is powered by batteries, verify the battery packs are
inserted properly and are charged.
❑ If you are using an application that has its own volume control, verify the
volume is turned up.
❑ Check the volume controls in the Windows® taskbar.
❑ If you connect external speakers:
❑ Verify the speakers are properly connected and the volume is turned up.
❑ If the speakers have a mute button, make sure the button is off.
❑ If the speakers are powered by batteries, verify the batteries are inserted
properly and are charged.
❑ If you have connected an audio cable to the Headphone jack, disconnect the
cable.
❑ If you are still experiencing problems, use the Driver Recovery CD to
reinstall the drivers. See “To use the Driver Recovery CD(s)” for more
information.
My microphone does not work.
If you are using an external microphone, verify that the microphone is plugged
into the Microphone jack. See “Connecting an External Microphone” for more
information.