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Lenovo T460 and X1 carbon cannot use HDMI sound output when connected via HDMI cable. - PRB0040616

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Problem description: These Lenovo models have an issue where the HDMI Connection is installed as a DVI Connection, and as DVI requires an additional output for audio, no audio will be passed from the laptop via HDMI.

Problem workaround: 1. To run the upgrade open Software Center and select the Applications Category.
2. Select Lenovo T460 Video Driver or Lenovo X1 Carbon Video
3. Click the Install button.