Sony VGN-SR490DDB - Manual (Page 178)

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Troubleshooting >
Bluetooth Technology
What should I do if I do not hear sound from my headphones or audio/video controller?
Check the SCMS-T settings. If your headphones or audio/video controller does not support SCMS-T content protection, you
need to connect the device using the Advanced Audio Distribution Profile (A2DP). Follow these steps:
1 Click Start, Control Panel, Hardware and Sound, and Bluetooth Devices.
2 Right-click the icon for the device that you want to connect using the A2DP and select Control.
3 Click to cancel the Connect to a device only if it supports SCMS-T content protection check box under SCMS-T
Settings.