When I go to click 'underlay' usually you get a drop down menu with the available options. For me, this is not the case, I don't get any drop down menu that is visible. This is a problem for all of my drop down menu's, and not just for the underlay option.
However, I am able to type some of the various options that you would typically find in the menu, and it will auto populate, and allow me to hit enter on my desired options.
Any ideas?
Thanks in advance
Can you post a screen shot. The "underlay" relates to other views you have in your model, obviously if you only have one view there will be no options for an underlay. Similarly there are drop down menus that will change depending on your model. This is all I can think of off the top of my head.
What version of the software and SPs have been installed. Tell us a little bit about the model in question as well.
Regards Peter.
it will be helpful if we know the following
which revit version are you using and which SP or UR is installed
Do you have the issue on Windows 8
what graphic card is on your machine and which driver version is installed

Just a remninder that we still waiting for the info to be able to resume the troubleshooting.

it sounds like the high resolution that comes with windows 8 is too high. can you change it 1920 x 1080 (you may need to reboot the computer) and see if this fixes the issue.
Keep me posted

My next guess is to close revit, then go to
%USERPROFILE%\AppData\Roaming\Autodesk\Revit\Autodesk Revit 2015
and delete UIState.dat
let me know if this works

Just a follow up to see if the issue is fixed

Is it just one file or all your files?
All files, however, sometimes (very rare) the drop downs do appear, but it never sticks.
Thanks
Are other properties dropdowns working?
Not sure why I am getting numerous e-mails asking me if this is fixed or not. I did not post this question?? Regards Peter.
You must have subscribed by mistake - just go to the Topic Option in the top left and select 'Unsubscribe'
K.
Have you tried doing a 'repair' install? I sounds like something it fundamentally broken in your current install.
Also maybe try the windows 8 scaling to bring it to a lower value
http://winsupersite.com/windows-8/hands-windows-81-desktop-display-scaling?_sm_byp=iVV7SjZS0LWvVkqs

I'm having the same problem please help!
I have Revit 2016
Windows 10
and it happens with all my drop down menus. The only way it works is to type out the option. I use the drop down a lot for Constraints in the heights of items.
Please help!
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