You should know that scales are the base of any song. Every song is constructed from a specific scale. So if you dont know scales, you'll have a difficult time in making your own music. Try that 1-2-3-4 exercise, its called chromatics. That'll increase your speed in playing notes and thus you can learn solos. And, scales aren't fixed. You can play them on any part of the fretboard.
I got a bad bad feeling
That my baby don't live here no more
She ain't comin' about is she
That's alright i still got my guitar
- Jimi Hendrix (from Red House)