Print Screen doesn't work??
Open paint and go to EDIT>PASTE.
If that doesn't work, download xfire and press Scroll Lock+S
Or you can use something like Fraps.
i didn't tried xfire yet and did pasted in paint and and when i used fraps i got dced
F10 In Fraps.
Or Try PRNT SCRN ( Print Screen ) It's By Scroll Lock.