I cannot do recovery on gateway 840gm

vitor2012 Posts 1 Registration date Thursday May 23, 2013 Status Member Last seen May 23, 2013 - May 23, 2013 at 10:57 AM

I cannot perform recovery to my computer, and also tried holding the alt pressing the f10 key. It asks for a password & I don'tknow, someone could help me or send me recovery
please helpCD's thanks