how we can show our hard drive partition in window 7 setup

[nomanshoukat]

My system show hard drive partition before instaling windows when windows setup goes to chose the partition to install windows at that point my system don't show partition please give me some solution to solve this problem thanks.

 

[drtweak]

What are the exact system specs? Sounds like its running some some kind of controller that Windows 7 doesn't have drivers for so they have to be installed at that point to see the hard drive.