How can I re-install win 7 without deleting one partition?

manish_67

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Jun 15, 2011
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18,510
hello sir i give my pc a password and i forget my password then i want to change my window but my pc cannot accept window dvd
then i want to format my computer but i have no format cd plz give me answer how i format my computer
 
Are you trying to load that CD from within windows? If so, that won't work. You need to change the boot order in the bios and make the cd/dvd drive first. Now, do a custom install and pay attention to the screen. You will be given the oppurtunity to create/delete partitions and the option to format a partition. Format your old windows partition, then install windows to that partition.
 
The windows CD/DVD is bootable. You need to go into your bios and change the boot order so that the CD/DVD player is first on the list. Then put your CD/DVD in the drive and start up yor computer. It will boot off the CD/DVD.