We are experiencing an issue where new construction is visible, even delectable, in a view but will then visually disappear.
Existing model's phases are mapped to match the new model. The new construction is typically visible but will just disappear.
This happens in both plan and 3d view and affects all components of the new phase.
Isn't a hardware problem? Maybe your video board it's overloaded. I saw it happens in computers with low capability or hardware problems. Try to see the minimum video requirements.
Graphic's card meets the minimum (https://www.nvidia.com/content/PDF/data-sheet/DS_NV_Quadro_K4000_OCT13_NV_US_LR.pdf), as well as the CPU and RAM.
My computer, when compared to the rest, is typically one of the fastest so that shouldn't be the issue.
Thanks for the reply though
Hi @Anonymous,
This issue should be resolved: are you updated to the latest service pack for 2017? Here is a workaround in the meantime if it keeps happening.


We sent the model and journal entries but it seems like you didn't get them. Around that same time the problem stopped occurring (which is why I didn't fuss with uploading to your box site). I thought this had to do with turning the hardware acceleration off for a day and then turning it back on. This helped for the whole week... but then on Friday the problem popped up again.

Hello,
Has there been a resolution to this? I have 3 users on a project team who are repeatedly running into this problem in 3D views.

Build Number:
17.0.501.0
20160720_1515(x64)
Service Pack 2
Journal attached.

Thanks, is it possible that this bug has been fixed in the 2017.1 update?

Hello,
We've been experiencing an issue with 2017 Revit. We upgraded our project model from 2016 to 2017 (all walls are visible in the 2016 model). After doing so noticed some walls in our project are not visible (windows are visible) on the floor plans but the same walls are visible on the Reflected Ceiling Plan as well as the 3D View but not visible in plan views. Also, the same wall type is visible, on the other side of the building, on the same floor plan. I've check Hidden Elements, filters, Visual Graphics, graphics card, service package, etc. I can't for the life of me figure this out. Could someone from support help?
This person describes what I was experiencing in my previous posts. My project also upgraded from 2016 to 2017.
I still cant figure out why the walls disappeared and the I tried selecting them in the 3D View and then going to the floor plan and seeing if moving it would somehow cause it to appear again. Nothing. So I copied the walls from the other side of my project and those show up. No clue why the other ones disappeared. Unless AUTODESK SUPPORT can figure out and reply to this to help the user figure out their bugs. That was the solution I came up with.
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