Sony PCG-SR33K - Manual (Page 263)

Troubleshooting Audio
My speakers have no sound
 If the built-in speakers are turned off, press the key combination Fn+F3 or use the Jog Dial control to turn on
the speakers. See
Using the Jog Dial Control for information.
 If the speaker volume is turned to the minimum, press the key combination Fn+F4, then press or to
increase the volume. You also may use the Jog Dial control to change the volume.
 If nothing happens when you press the key combination Fn+F3 or Fn+F4, proceed as follows:
1. Click Start on the Windows ® taskbar, point to Settings, and Control Panel, then double-click System.
The System Properties dialog box appears.
2. Click the Device Manager tab.
3. Set the sound device to Enable.
 If your notebook is powered by batteries, verify that the battery packs are inserted properly and charged.
 If you are using an application that has its own volume control, verify that the volume is turned up.
 Check the volume controls in Windows ® .
 If you connect external speakers:
1. Verify that the speakers are properly connected and the volume is turned up.
2. If the speakers have a mute button, make sure the button is turned off.
3. If the speakers are powered by batteries, verify that the batteries are inserted properly and that they
are charged.
 If you connected an audio cable to the Headphone jack, disconnect the cable.
My microphone does not work.
If you are using an external microphone, verify that the microphone is plugged into the Microphone jack. See
Recording from a Microphone or Audio Equipment for more information.
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