Thank you for the answer. I have solved the problem by removing the beamer package from the MikteX distribution and installing in my local tex folder the newest version of beamer (3.10). After reconfiguration, the files are compiled.
Corrado 2010/7/15 Jürgen Spitzmüller <sp...@lyx.org>: > Corrado Mencar wrote: >> Dear LyX users and developers, >> when I try to compile the beamer template provided with LyX, the >> pdf is not generated but a number of errors occur. I have found that >> the problem is due to the recent version of the package geometry.sty >> provided with MikTeX 2008. The bug can be fixed with some line of TeX >> code before the "\documentclass" command, but, while this is easy in >> .tex documents, I found no way to fix the bug by using LyX. > > Did you try Document > Settings > Preamble? > >> As a consequence, beamer slides cannot be rendered in LyX. I hope >> developers will soon fix the problem with a patch or a workaround. > > It is advised that you update to the most recent beamer version, where the > problem is fixed. > > Jürgen > -- Corrado Mencar http://it.linkedin.com/in/cmencar http://www.di.uniba.it/~mencar
