External HDMI no sound how to set

With HDMI high-definition interface of the computer output video at the same time also output sound, if there is only output video, no sound situation, please refer to the following settings:

For WIN7 or Vista systems

1. Taskbar Right key point horn icon, select Playback device

2. In the playback of the right to select the "Digital output device HDMI" option to set as the default device, replay the video can be

For XP systems: Follow Start > Settings > Control Panel > Sound and Audio Devices > audio > Set the default device for sound playback to "ATI (NVIDIA) HD Audio rear Output"

If the above options do not appear, or the Device Manager also has a sound card driver Da Guo, confirm the installation of an additional sound card driver in the ATI graphics driver, remember the graphics driver, not the sound card driver.

Now the general graphics driver is integrated with the HDMI sound driver, after installation, Windows system under the Device Manager will be one more HDMI audio option.

Sometimes without sound, you can disable the system's sound card, using only the audio channel in the video card.

At the same time, in the Realtek manager below the HDMI connection indicator will also be prompted Oh, here can adjust some audio effects.

Finally: If there is still no sound, please update the video card driver or reinstall the operating system attempt.