Try this quick start:

$ screen
<in the screen> $ ls -al /
<in the screen> Ctrl+A d
$ screen -r
<see :), you're back to you screen>

Put this into you ~/.screenrc to get fancy colours. At least you'll see what is happening.

hardstatus alwayslastline
hardstatus string '%{= kG}[ %{G}%H %{g}][%= %{=kw}%?%-Lw%?%{r}(%{W}%n*%f%t%?(%u)%?%{r})%{w}%?%+Lw%?%?%= %{g}][%{B}%Y-%m-%d %{W}%c %{g}]'

# Default screens
screen -t shell1	0
screen -t shell2	1
screen -t server	2	ssh me@myserver

Move process to screen