I think my real problem is I don't know what to Google.
You know the top middle of iTunes, where it shows you the current song, album, and has a progress bar? I don't get that anymore. I get...
I'm not sure exactly when it happened, though I think it was when I was trying to play a radio station feed thru iTunes and the feed wasn't working. I've tried the usual bits to switch it back - clicking, every key on my keyboard I could think about - and it's stuck in that setting. I've tried googling, but every time I can think of points to something else. Anyone else do this? Or know what I'm supposed to be calling it?
www.crucial.com has a very good tool for helping you identify what memory your system needs (and what it can take as a maximum as well). If you don't know your system make/model, they have a tool to run that is pretty accurate.