I have dual booted my computer with windows xp and windows 7 it has core 2 duo processor nvidia 1 gb AGP Card 2 gb ram and 500 gb hard drive I have tried all means but my HP printer L7580 Prints only half of the page and leave rest, then take another papers and prints some number and alphabets on them. this happens in only windows 7. what could be the problem. I have checked HP site, and tried the solutions mentioned over there. Please help.