Black viewport on windows 11 and version 5.1

Omniverse Isaac Sim
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Hello everyone. I run Isaac Sim 5.1 on Windows 11, and I get a black viewport. I tried pressing G, resetting the preferences to default, adding light to the scene, and deleting the kit folder under AppData. nothing works. My driver version is 581.80. Graphic is RTX4060. Can anyone help?

Isaacsim
Isaacsim1649×992 171 KB

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@ashkan.salimi2 I am just another user, and i have a few inquiries regarding the issue you are experiencing:

  1. are there any errors in the console log? if you can upload the latest kit log, it’ll be helpful for others to troubleshoot
  2. as a self test, can you provide a screenshot of the result from the compatibility checker?
    Workstation Installation — Isaac Sim Documentation
  3. is this the first time you are encountering this or have you used other versions where it’s worked for you?
  4. can you try reverting to driver 580.88 to see if the issue persists? Isaac sim failed to run any example with GPU crash - #7 by VickNV
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1- In terminal I get this (even when running with –vukan command: [52,678ms] [Error] [carb.graphics-vulkan.plugin] VK_EXT_memory_budget is not supported on this platform. Can’t get the VRAM memory usage info
[52,679ms] [Warning] [gpu.foundation.plugin] ResourceAllocator: Can’t get memory usage info. All unused memory will be released.

kit_20251127_232819.log (3.1 MB)

2-This is the compatibility checker screenshot ( I know VRAM is not enough, but I am not running a model, so the grid must be visible)

ISC-checker
ISC-checker647×717 90.4 KB

3- I have had this problem with previous versions as well ( 4.5,5.0).

4- Since I had the same problem with previous versions, I assume the driver version is not the problem.

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at this point, we will need to start eliminating some variable. let’s try reverting the driver down to 580.88 first; and if the issue persists, try disabling vulkan:

  1. close out of Isaac Sim

  2. navigate to the .kit file C:\isaacsim\apps\isaacsim.exp.full.kit(you will need to find this in your custom installation folder on E drive)

  3. at around Ln 147, set vulkan = false

  4. save the .kit file

  5. restart Isaac Sim and see if anything changes

after this, try to disable every display driver that’s not your 4060 in the device manager. judging by your log, it’s not using the RTX driver (there are 3 other integrated drivers that may be causing conflicts)

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I appreciate your help. The problem is solved by disabling the integrated display adapter.

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