try any of these: http://wiki.lyx.org/pmwiki.php/LyX/Troubleshooting
On Friday 12 of March 2004 15:41, Robert Neumann wrote: > Hello, > I recently changed from Lyx 1.20 to 1.30. Lyx 1.30 seems to print rather > the latex code like "\Rightarrow" or "cdot" on the screen instead of "=>" > or the dot. > I prefer the sign but I found no option to change this. > Can anybody help me? > Thanks > Robert