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[GH-ISSUE #378] [Bug]: Cannot install Nvidia graphics card card not detected #89

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opened 2026-10-31 22:08:36 +00:00 by bsakaguchi · 6 comments

bsakaguchi commented

2026-10-31 22:08:36 +00:00

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Originally created by @DraginEye on GitHub (Nov 27, 2024).
Original GitHub issue: https://github.com/Comfy-Org/desktop/issues/378

App Version

Expected Behavior

Run the installer normally

Actual Behavior

Unable to run because nvidia graphics card not detected.

Steps to Reproduce

run installer

Debug Logs

unable to get

Browser Logs

unable to get

Setting JSON

unable to get

What browsers do you use to access the UI ?

Brave

Other

windows 10 pro
windows version 22H2

Originally created by @DraginEye on GitHub (Nov 27, 2024). Original GitHub issue: https://github.com/Comfy-Org/desktop/issues/378 ### App Version ![image](https://github.com/user-attachments/assets/72f13fcc-3614-4ba8-b587-2b0b9a8f5f6e) ### Expected Behavior Run the installer normally ### Actual Behavior Unable to run because nvidia graphics card not detected. ### Steps to Reproduce run installer ### Debug Logs ```powershell unable to get ``` ### Browser Logs unable to get ### Setting JSON unable to get ### What browsers do you use to access the UI ? Brave ### Other windows 10 pro windows version 22H2 ![dxdiag_yyVovWkr0h](https://github.com/user-attachments/assets/8b2beb1f-95ad-4102-af42-606284d68b48) ![ComfyUI_fhzsfpNXHg](https://github.com/user-attachments/assets/be629ff8-150b-4dfa-8e87-fc664b3c2aa6)

bsakaguchi closed this issue

2026-10-31 22:08:36 +00:00

bsakaguchi commented

2026-10-31 22:08:37 +00:00

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Owner

@webfiltered commented on GitHub (Nov 27, 2024):

If you run this, does NVIDIA appear in any of the output? If so, which column?

wmic PATH Win32_VideoController

p.s. The lines will be very long and wrapped - I find it easiest to run wmic from Windows Terminal and copy/paste into an editor like vscode, with wrap off. Can then side scroll through the results with the column headers lined up properly.

@webfiltered commented on GitHub (Nov 27, 2024): If you run this, does NVIDIA appear in any of the output? If so, which column? ```ps1 wmic PATH Win32_VideoController ``` p.s. The lines will be _very_ long and wrapped - I find it easiest to run wmic from Windows Terminal and copy/paste into an editor like vscode, with wrap off. Can then side scroll through the results with the column headers lined up properly.

bsakaguchi commented

2026-10-31 22:08:37 +00:00

Author

Owner

@DraginEye commented on GitHub (Nov 27, 2024):

i tried running it in both cmd and powershell both as administrator and it is not a recognized command

@DraginEye commented on GitHub (Nov 27, 2024): i tried running it in both cmd and powershell both as administrator and it is not a recognized command

bsakaguchi commented

2026-10-31 22:08:37 +00:00

Author

Owner

@webfiltered commented on GitHub (Nov 27, 2024):

Try this:

$env:Path.IndexOf("System32\Wbem")

If it returns -1, you don't have wbem in your %PATH%. wmic.exe is located in C:\Windows\System32\Wbem, which you'll need to add to your environment variables. This is not a ComfyUI thing; it's just how Windows is configured by default.

@webfiltered commented on GitHub (Nov 27, 2024): Try this: ```ps1 $env:Path.IndexOf("System32\Wbem") ``` If it returns `-1`, you don't have wbem in your %PATH%. `wmic.exe` is located in `C:\Windows\System32\Wbem`, which you'll need to add to your environment variables. This is not a ComfyUI thing; it's just how Windows is configured by default.

bsakaguchi commented

2026-10-31 22:08:37 +00:00

Author

Owner

@DraginEye commented on GitHub (Nov 27, 2024):

after adding to path it still shows as -1 even after restart, but i was able to get wmic to run regardless and it shows nvidia in the first column as far as i can tell

@DraginEye commented on GitHub (Nov 27, 2024): after adding to path it still shows as -1 even after restart, but i was able to get wmic to run regardless and it shows nvidia in the first column as far as i can tell

bsakaguchi commented

2026-10-31 22:08:37 +00:00

Author

Owner

@DraginEye commented on GitHub (Nov 27, 2024):

@DraginEye commented on GitHub (Nov 27, 2024): ![image](https://github.com/user-attachments/assets/b1361299-77cb-4802-bdad-b63138e28cdf)

bsakaguchi commented

2026-10-31 22:08:37 +00:00

Author

Owner

@robinjhuang commented on GitHub (Nov 27, 2024):

We also default to using nvidia-smi to check if you have those drivers installed. Can improve this discovery process, and perhaps only display a non-blocking warning would be good as well.

@robinjhuang commented on GitHub (Nov 27, 2024): We also default to using nvidia-smi to check if you have those drivers installed. Can improve this discovery process, and perhaps only display a non-blocking warning would be good as well.

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Reference

Comfy-Org/desktop#89

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