I am trying to continue writing a document I started a few months ago. When I tried inserting equations into the document the option was greyed out. I just updated to the newest version of lyx 2.1.5dev(July 2015) and also cleared out ~/.lyx2.1 but the problem remains exactly the same. Basically, every single option in the insert menu is greyed out.

Any suggestions on how to fix this?

  • Hi Tony. How can we replicate your current setup? That is paramount in order to address your concerns adequately. – Werner Dec 16 '15 at 20:17
  • @Werner , I guess to replicate the setup you would need all my settings. I just cleared /usr/share/lyx2.1 and reinstalled, but I found out that reinstalling did not recreate /usr/share/lyx2.1. I think the problem was that it was using old settings which did not correctly carry over after some update. But now, I am unable to open lyx at all because it says it cannot find some file it was expecting in /usr/share/lyx2.1. Are you aware of any way to regenerate these files? Should they be created automatically during installation? – Tony Ruth Dec 16 '15 at 20:23
  • I am unfamiliar with setting up software on Linux and/or Mac. – Werner Dec 16 '15 at 20:37
  • I cleared everything lyx related on my computer except for documents, sudo apt-get remove lyx lyx2.1 sudo rm -rf `find / -iname "lyx*"` then reinstalled and when I open a new document I still cannot insert any equations. – Tony Ruth Dec 16 '15 at 20:42
  • @TonyRuth I think my answer is the correct one. Do you have any feedback? – G.M. Apr 27 '16 at 17:55

(I would have put this answer in a comment first but I do not have enough “reputation points”.)

What is your Ubuntu version? My guess is the bug described here: https://bugs.launchpad.net/ubuntu/+source/indicator-appmenu/+bug/1430059. In particular see the workaround at https://bugs.launchpad.net/ubuntu/+source/indicator-appmenu/+bug/1430059/comments/20:

The proper workaround is to run lyx with the command line: QT_X11_NO_NATIVE_MENUBAR=1 lyx or equivalently to adapt /usr/share/applications/lyx.desktop as follows: Exec=env QT_X11_NO_NATIVE_MENUBAR=1 lyx %F

But the bug should be fixed now in Ubuntu, and therefore upgrading the distribution might help.

Notice that this has been cross-posted at http://www.lyx.org/trac/ticket/9905. When you cross-post a bug report, please indicate it and provide a link.

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