Hi, I have Revit 2020 and dynamo 2.1.07733. The problem: the code does not display any geometry except in revit. I can only see code preview but no geometry preview. Default Background Preview option is greyed out. I tried to update NVidia drivers, and force Revit to run on NVidia, but the bu…

can you check what version of directX you have installed first - and then try running this: https://github.com/DynamoDS/Dynamo/blob/master/tools/install/Extra/DirectX/DXSETUP.exe

Try forcing Dynamo to run on the nvidea card as well.

I figured it out - my directX wasn’t up to date. I installed the latest version from the Microsoft site and the Dynamo background preview menu became available. https://support.microsoft.com/en-us/help/179113/how-to-install-the-latest-version-of-directx

This didn’t work for me. I have directX 12 - can’t seem to find however if this is up-to-date. I’ve checked for updates using Windows Update and there didn’t seem to be any… Any ideas?

@Michael_Kirschner2 thx for this. solve my problem

I have the same problem that you have, I run the Dynamo through Revit 2020 and the 3D Background does not appear, I run it in an Intel Core I7 3rd generation with an Nvidia 960M and with 32GB of memory, I have reinstalled Revit 2020 and even reinstall the SO with all the controllers, and this doesn’…

please install directX from the link above. It’s an older DirectX required by the version of Dynamo shipped with Revit 2020.

@anderson.martinezdq similar issue discussed recently here: [image] Still 3d background preview no available FAQ Thank you so much @Kulkul for guiding me through PM to solve my problem. You’re Genius and amazing smile . The issue was directX driver which i installed from…

Translated by moderator. Original post below the line. Regards, I get that the file cannot be found. Original post below: Saludos, Me sale qe no encuantra el archivo.

Hi Michael I am having the same issue with the viewport of Dynamo on a recent install of Revit 2021. I have windows 10, DirectX 12, Nvidia K1100M, and the latest graphics card driver. I tried running the dxsetup application but I get an error message saying that it can’t find dsetup.dll. Any idea…

Revit 2020 Dynamo 2.1.07733 Default Background Preview greyed out

Kulkul July 3, 2020, 7:17pm 11

@anderson.martinezdq similar issue discussed recently here:

Topic		Replies	Views
Dynamo for Revit background preview not available Revit	4	404	March 22, 2021
Dynamo for Revit 2020 Background Preview not available Revit revit , dynamo	0	237	April 26, 2021
Still 3d background preview no available FAQ dynamo	1	691	July 1, 2020
"There was an error creating a background preview in Dynamo"	7	1262	November 19, 2019
Dynamo for Revit 2021 -- 3D Background Preview unavailable Revit revit , dynamo	5	532	May 17, 2021

Revit 2020 Dynamo 2.1.07733 Default Background Preview greyed out

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