VAIO® R505 SuperSlim Pro™ Notebook User Guide
❑If nothing is displayed when you press Fn+F3 or Fn+F4, proceed as follows:
1Click Start, point to Settings, point to Control panel, then
2Click the Device Manager tab.
3Set 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.
My microphone does not work.
If you are using an external microphone, verify that the microphone is plugged into the Microphone connector. See ”Connecting an External Microphone” for details.
Troubleshooting the Printer
I cannot print.
❑The default setting for the printer port mode is correct for most printers. If you cannot print, try changing the printer port mode. In the Sony Notebook Setup screen, select the Printer tab. If the printer port mode is set to ECP, change it to
