Font Book

system fonts in a folder only one layer deep in the Hard drive called 'MY FONTS' or the like. Keeps things simple and avoids system font conflicts. Don't do anything with InDesign's FONT folder. ...

Use an application like Font Explorer X By Linotype to dump the system font caches and this should clear up your problems. Font Book is a good application, but will only look at the font files and tell you if they are ok, when is reality it is most likely the caches. ...

I don't have FontExplorer, just Font Book. ...

What version of OS X are you running? I have 10.4, and it's on here. Possibly a new feature with Tiger. Speaking of which, what version of OS X is this "other mac" running? http://img85.imageshack.us/img85/9505/picture5as0.png

I don't have Validate File under the File menu on my Font Book. Just "Add Fonts... ...

in font book, go File > Validate File... then find the folnt you want. it will run dignostics on any amount of fonts, and ask you what to do.

It sounds like font corruption. Use Font book, or which ever font manager you used. Disable all your fonts. ...

I just opened the font book application and noticed the fonts are not there.....of course they are preserved in my user account from the 2nd previous system folder. ...

The last time I was able to use it I was installing several fonts in Font book. I had about 93 but I finished with 2000 fonts..I suspect that this is making my computer slow...or not even start up right! ...

Use a font manager to access more fonts. ...