Sony PCG-R505TL - Manual (Page 137)

Troubleshooting audio
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❑ If you have a second phone line available, try connecting the modem to that
line.
Troubleshooting audio
My speakers have no sound.
❑ If the built-in speakers are turned off, press Fn+F3 or use the Jog Dial
control to turn on the speakers.
❑ If the speaker volume is turned to the minimum, press Fn+F4, then press
or to increase the volume, or you can use the Jog Dial control to control
the volume.
❑ If nothing is displayed when you press Fn+F3 or Fn+F4, proceed as follows:
1 Click Start, point to Settings, point to 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 that they are 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:
❑ Verify that 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 that the batteries are
inserted properly and that they are charged.
❑ If you have connected an audio cable to the Headphone connector,
disconnect the cable.
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