Nu faci ceva bine. eu am Lenovo y510p sli si la fel ca tine nu am unitate optica. 1 usb stick de 16 gb si search pe alt laptop de win + google "how to make bootable usb" si "how to install win from usb" si mi-a mers
Salut! Ai facut stick-ul la fel?
http://landpc.wordpress.com/......windows-7/