Mouseover tooltip randomly stopped working

[Golla1988]

It used to work like this: I hover my courser over a spell, or a buff, and a small text box would appear showing what the spell or buff is. Yesterday it stopped doing that and I've tried all kinds of stuff trying to fix it. I'm guessing I pushed the wrong key at some point of something. I tried going into options and pushing the "allow context menus" button. I tried restarting EQ, tried restarting my computer... I just don't know what to do anymore. Has anyone else had this problem? It's really frustrating because I'm so used to doing it that way