I brought a laptop from asus ......it was preinstalled with dos.....bt then i installed it with win 8 ....but then since it was for my mother.....and she finds quite difficult in using 8 ...SO ..now i want to install win 7 on it......but the driver cd which came with the package was only win 8 supported..nowis there a possibility of making it work on win7 ??? Please help....