The sound can not be heard from the external display's speaker connected to the DisplayPort to HDMI converter - ThinkPad T410, T410i, T410s, T510, T510i, W510, W701, W701ds (Discrete graphics model)

The sound may not be heard from the external monitor's speaker which is connected to the DisplayPort-HDMI converter (Dongle). Some dongles do not work with audio, but others work with no problem.

Affected configurations

Any of the following ThinkPad discrete graphics model systems running Windows 7 (32-bit, 64-bit) may be affected by this symptom:

  • T410, T410i, T410s
  • T510, T510i
  • W510, W701, W701ds



Use the dongles listed below that Lenovo has tested with the above systems.

Lenovo recommended dongles

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

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Document ID : HT031670
Legacy Document ID : MIGR-76703
Last Updated :
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