mery computer main cd rom kharab hogya tha mian ne naya cd rom ly k wo lagaya he ab jb wo lagata hun to my computer main g drive ghaib hojati he aur device manager main cd rom drive ka driver main cros ka nishan hota he matb drivers ka masla show hota he aur jb main cd rom computer se unpulg karta hun to phr b g drive show nhan hoti ab main apny computer ki window kesy install karun?plz reply quick