User`s guide

Release 331 Graphics Drivers for Windows - Version 331.82 RN-W33182-02v01

Known Product Limitations

Using HDMI Audio with Displays that have a High Native

Resolution

To use HDMI audio with some displays that have a native resolution higher than 1920x1080, you

must set the display to a lower HD resolution.

Some HDMI displays have a native resolution that exceeds the maximum supported HD

mode. For example, displays with a native resolution of 1920x1200 exceed the maximum

supported HD mode of 1920x1080.

Applying this native mode results in display overscan which cannot be resized using the

NVIDIA Control Panel since the mode is not an HD mode.

To avoid this situation and provide a better user experience, the driver treats certain

TVs– such as the Viewsonic VX2835wm and the Westinghouse LVM- 37w3–as a DVI

monitor when applying the native mode. Because the driver does not treat the TV as an

HDMI in this case, the HDMI audio is not used.

Using HDMI/DisplayPort Displays that do not Support Audio

Some HDMI/DisplayPort displays do not support audio, or have issues with GeForce 9-series and

earlier,and GeForce GTX 200-series NVIDIA graphics cards.

The NVIDIA driver attempts to identify such displays and automatically disables the

audio. For example, the NVIDIA driver disables HDMI audio for all Philips HDMI TVs,

as these have been identified as having issues with GeForce 9 series and earlier, and

GeForce GTX 200-series NVIDIA graphics cards.

There may be cases where either the driver disables audio even though there is no

problem, or does not disable the audio when in fact the audio does not work. The

following sections describe these situations and provides guidance for handling them.

Corrupted video and no audio

The driver has not disabled audio and the display’s audio signal is incompatible with the

graphics card, causing video corruption.

With a different display connected in order to establish video, disable audio for the

HDMI display using the NVIDIA Control Panel-> Change Resolution page. From the

connector list, select HDMI-HDTV (Audio Disabled).

Video but no audio

Check the connector list on the NVIDIA Control Panel->Change Resolution page.