Hello !! Recently I want to install Windows 7 as my previous OS was Windows xp... Now, I am unable to install windows 7 as , when I start the install and click on install it shows that setup was unable to create a new partition or locate an existing system partition... I have 2 hard disks , one of size 75 gb & other of 320 Gb.. Previously , OS was installed on 320 gb , but i have formatted that drive before installing windows 7... now my 75 gb hard disk is empty & one drive of 320 gb is also empty.. It shows that 320 gb hdd ia on disk 0 & 75 gb on disk 1... I want to install Os in any of the above mentioned HDD.. It shows that-> 1. all drives of 320 gb HDD as Logical & 75 gb HDD drives as Primary... No system Drive.. Pls help guys!!!! unable to install OS from Past 1 week... sending this query from my friend's laptop... Help!!!!