This article will show you how to enable HDMI audio in Windows 7 to take advantage of the audio built into the HDMI connection, assuming the monitor you have connected with HDMI has speakers.NOTE: While Windows 7 is no longer supported by Microsoft or Micro Center as the operating system has reached its end of life, this guide is available for those still looking for assistance with Windows 7. Further troubleshooting outside of this guide for Windows 7 is not available from Micro Center1. Click on the Start button, typically found in the lower-left corner of the screen. 2. From the Start menu, click on Control Panel. 3. Select the Sound option from Control Panel. 4. Under the Playback tab, locate the HDMI output audio device. Right click on it and click on Enable the device.if an HDMI device is not displayed it may be necessary to first right click anywhere on the open space in this menu and click on Show disabled devices. Right click on the HDMI Output device and choose Set as Default.The audio will now be output through HDMI by default. Note that in some cases it may be necessary to reboot the computer for this change to take effect.