hi
i just bought a used pc . its a I5 750 with a motherboard p7p55d deluxe . a G.skill ripjaws 4gb (2gb + 2gb) . with a hd 7870
every time i try to install wiindows . it installs normally , i even play some games with it . i turn it off and on back and it still works
but when i i turn it off...