Installed revit 30 day trial
Windows 7 64 bit, 8 meg ram
GeForce 6200 dual monitor video card
On starting Revit I get the unknown video card error message
The ribbon is not visible
There is an empty, sometimes transparent space where it should be
I can actually select items on the ribbon (by moving my mouse into the empty area) such as insert a wall and they work
Is the video card that is not proven to be compatable causing this.
It could be the video card. Go into the options (Big R -> Options) and on the Graphics tab turn the Hardware Acceleration off (uncheck the box). Then restart Revit and see if the Ribbon is back.
I had the same problem, although I think it was because of different reasons. I was using a 32-bit WinXP computer to connect via Remote Desktop to a 64-bit Win7 computer, and the ribbon was "invisible" but still active. Some people suggested that I shrink the size of the Revit window (instead of being full-screen), but it didn't work for me. Maybe it'll work for you, if my first suggestion didn't do the trick.
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