End-point monitor / thin-client screen flickers when using NVIDIA GRID vGPU profile insufficient to support end-point native resolution

Answer ID 4113
Published 05/06/2016 01:56 PM
Updated 06/27/2016 11:40 AM

End-point monitor / thin-client screen flickers when using NVIDIA GRID vGPU profile insufficient to support end-point native resolution


Symptom/Error

Monitor flickers or screen goes on and off.

Possible Cause

End-point resolution is higher than the vGPU profile can support. Some devices have a native resolution higher than some vGPU profiles support e.g. Dell Ultrasharp 3415w for which the native resolution is 3440x1440.

Some vGPU profiles are designed for scalability and the resolution limit is lower than the native resolution of the end-client may be. E.g. the K260Q is limited to upto four monitors at a maximum resolution of 2560x1600 each.

Customers should check the resolution support for the vGPU profile in use, in the NVIDIA vGPU User Guide: http://images.nvidia.com/content/pdf/grid/guides/GRID-vGPU-User-Guide.pdf

Solution

Customers wishing to use high-resolution end-clients can:

· Adjust the end-client resolution down to that supported by the vGPU profile

· Use a vGPU profile with support for the end-clients resolution (on the M60 / M6 cards many profiles now support 4K (up to 4096x2160) monitors)

· If using a card such as the K2 where the maximum resolution supported in vGPU is 2560x1600, the customer may choose to use the card in passthrough/vDGA mode rather than for vGPU

Applicable products

NVIDIA GRID vGPU

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