On 07/20/2016 09:10 PM, Dr Dave Forrester wrote: > Dear Lyx Experts, > > Thanks very much in advance for your help. > > I recently updated Lyx only to find out that I should have updated > MacTex first.
I don't see why you should actually need to do this. > I downloaded the latest MacTex and then found that the Preview Button > was greyed out. From the Lyx Users Archive, I found out how to access > in the Preferences, File Handling > File Formats; I selected Latex > (pdflatex) in the Format drop down box and then found that the option > of pdflatex was not available in either of the drop down boxes for > 'With TeX Fonts' and 'With non-tex Fonts'. I saved this page with the > result that the Preview button became operable, but when I click on > it, all I get is a tab in Safari with MathHTML, and not the beautiful > PDF output that you usually get opened up in Preview miraculously > before your eyes, as has happened so many times before. I am not on OSX, but the first thing to try is deleting (or moving) you LyX user directory. You can find out where this is by looking at "About LyX", which is probably under the "apple" menu. Richard
