Sony vaio VGN UX280P Cannot Install OS From
External DVDRW couse the dvd external used for instalation is 2.0 and need more power. and the usb of vaio vgn ux280p just one usb so we just connect with one cable of dvd. when we try boot from external sometime the external dvd unknown. but try to connect another cable of dvd with another usb laptop. so dvd perfectly detect when boot on instalation
