Starting last week, as the weather has gotten cooler, I've noticed some problems with my ipod.

At first, it would take a while for it to start back up, about a minute or so.

Then I noticed a few days ago that it would stop browsing. I'd scroll through to an artist, let go of the wheel, then try to scroll again and it wouldn't, as if it were frozen.

Anyway, I didn't mind those cause they fixed by themselves.
But now when I play a song, instead of the Now Playing Screen where you see the picture of the album and the volume bar, is just gone. Instead, there is a large square with nothing in it. The song plays and you can turn up the volume and do whatever, you just can't see the now playing screen so I don't know the name of the song playing, I don't know where on the bar the volume is, etc.

Any help would be appreciated.