"Joshua C." <joshuacov(a)googlemail.com> writes:
by the way, why cann't fedora see the 3gb of memory and shows
only about 2,25gb?
You most likely downloaded the wrong iso. Your computer is x86_64, not i686.
(Who believes that the 32-bit kernel should refuse to boot on 64-bit
machines. Welcome to the 90's.)