# NVIDIA L40 Support **URL:** \ **Category:** HOOPS Visualize Desktop\ **Tags:** how-to\ **Created:** [March 7, 2025, 7:07am UTC](https://forum.techsoft3d.com/t/nvidia-l40-support/4441 "2025-03-07T07:07:35Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![mini](https://avatars.discourse-cdn.com/v4/letter/m/ee59a6/32.png) [@mini](https://forum.techsoft3d.com/u/mini)\ **Post date:** [March 7, 2025, 7:07am UTC](https://forum.techsoft3d.com/t/nvidia-l40-support/4441/1 "2025-03-07T07:07:35Z")
Our client is trying to run a 3DF application on NVIDIA L40 graphic card. In this case, 3DF does not recognize L40 and does GDI Rendering. Please tell me how to make it recognize L40. ---
**Author:** ![tino](https://avatars.discourse-cdn.com/v4/letter/t/9dc877/32.png) [@tino](https://forum.techsoft3d.com/u/tino)\ **Post date:** [March 7, 2025, 11:57am UTC](https://forum.techsoft3d.com/t/nvidia-l40-support/4441/2 "2025-03-07T11:57:19Z")
Hello @mini, Our suggestion is to check that the proper driver has been installed. If this is not a bare-metail installation and instead a virtualization, the VM machine also needs to be properly configured. Also, has your client run other applications showing that the GPU and driver are working properly or is the issue just with Visualize 3DF? Thanks, Tino ---
**Author:** ![mini](https://avatars.discourse-cdn.com/v4/letter/m/ee59a6/32.png) [@mini](https://forum.techsoft3d.com/u/mini)\ **Post date:** [March 7, 2025, 2:56pm UTC](https://forum.techsoft3d.com/t/nvidia-l40-support/4441/3 "2025-03-07T14:56:31Z")
It is not configured as a virtualization server. Another application I checked was Hoops Demo Viewer, which I temporarily installed and checked. It also does not recognize the L40 graphics card, so the graphics acceleration is not working. I will try to find another application and install it, but since the application created with 3DF needs to work, it would be a great help if you could tell me the appropriate graphics driver version or other necessary information. ---
**Author:** ![tino](https://avatars.discourse-cdn.com/v4/letter/t/9dc877/32.png) [@tino](https://forum.techsoft3d.com/u/tino)\ **Post date:** [March 7, 2025, 3:10pm UTC](https://forum.techsoft3d.com/t/nvidia-l40-support/4441/4 "2025-03-07T15:10:15Z")
You can download the drivers directly from the NVIDIA website according to the specific product and OS: > **[Download The Latest Official NVIDIA Drivers](https://www.nvidia.com/en-in/drivers/)** > > Download the latest official NVIDIA drivers to enhance your PC gaming experience and run apps faster. ---
**Author:** ![mini](https://avatars.discourse-cdn.com/v4/letter/m/ee59a6/32.png) [@mini](https://forum.techsoft3d.com/u/mini)\ **Post date:** [March 8, 2025, 12:34pm UTC](https://forum.techsoft3d.com/t/nvidia-l40-support/4441/5 "2025-03-08T12:34:33Z")
I installed the graphic driver through the official Nvidia website. It is currently CUDA Dirver, but I wonder if I need to take any separate action. And I wonder if the Nvidia L40 Graphic Card is recognized by Hoops Visualize? If you have any reference for this, please let me know. ---
**Author:** ![tino](https://avatars.discourse-cdn.com/v4/letter/t/9dc877/32.png) [@tino](https://forum.techsoft3d.com/u/tino)\ **Post date:** [March 8, 2025, 1:43pm UTC](https://forum.techsoft3d.com/t/nvidia-l40-support/4441/6 "2025-03-08T13:43:21Z")
I’d like to get more information on the GPU by running `nvidia-smi`. As this requires sharing screenshots, I will connect with you via Jira. ---
**Author:** ![mini](https://avatars.discourse-cdn.com/v4/letter/m/ee59a6/32.png) [@mini](https://forum.techsoft3d.com/u/mini)\ **Post date:** [March 10, 2025, 1:45am UTC](https://forum.techsoft3d.com/t/nvidia-l40-support/4441/7 "2025-03-10T01:45:06Z")
![nvidia-smi](https://us1.discourse-cdn.com/flex020/uploads/techsoft3d/original/2X/8/845bb6192f67f734d1f7b0bbcca9369e390e5299.jpeg) This is a Nvidia-smi capture file. Is there anything else I should clarify? ---
**Author:** ![tino](https://avatars.discourse-cdn.com/v4/letter/t/9dc877/32.png) [@tino](https://forum.techsoft3d.com/u/tino)\ **Post date:** [March 10, 2025, 4:42am UTC](https://forum.techsoft3d.com/t/nvidia-l40-support/4441/8 "2025-03-10T04:42:11Z")
Thanks for sharing the screenshot, @mini. Based on the results of running `nvidia-smi` command, it looks like the GPU is in `TCC` mode which is for compute only. For graphics display, it should be set to `WDDM`. Please see the following video for more information on WDDM versus TCC: [![](https://us1.discourse-cdn.com/flex020/uploads/techsoft3d/original/2X/5/5b62e3e9adfa23804f2b73127bd1d41526c74d70.jpeg "Which NVIDIA Windows Driver do I need? WDDM vs. TCC") ](https://www.youtube.com/watch?v=5nLhKhnQRjo) Thanks, Tino ---
**Author:** ![mini](https://avatars.discourse-cdn.com/v4/letter/m/ee59a6/32.png) [@mini](https://forum.techsoft3d.com/u/mini)\ **Post date:** [March 10, 2025, 5:17am UTC](https://forum.techsoft3d.com/t/nvidia-l40-support/4441/9 "2025-03-10T05:17:29Z")
Your support has been a great help. I solved the problem by changing gpumode to Index 6 using Nvidia mode selector and then changing the graphics card settings using nvidia-smi -dm 0. Thank you.