Sony VGN Z720D - VAIO Z Series User Manual page 197

Troubleshooting >
Audio/Video
What should I do if I do not hear the sound from the sound output device connected to the
HDMI output port, optical output port, or headphones jack?
!
The HDMI output port is functional only when your computer is in SPEED mode.
❑ You need to change the sound output device if you want to hear sound from the device connected to a port, such as the
HDMI output port, optical output port, or headphones jack. For the detailed procedure, see How do I change the sound
output device? (page
❑ If you still hear no sound from the sound output device, follow these steps:
1 Follow steps 1 to 4 in How do I change the sound output device?
2 On the Playback tab, select the HDMI or S/PDIF icon and click Properties.
3 Click the Advanced tab.
4 Select the sample rate and bit depth (for example, 48000 Hz, 16 bit) which the device supports.
5 Click OK.
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