If you are not using RAID, then your problem might be related to the disk not being a boot disk. Note that this method will probably fix problems on computers that are using RAID controllers with AHCI support. The setup should continue without any hitches! If you already have a partition setup, go ahead and choose it.Ĭhoose the new primary partition and click Next. Then, expand Advanced Drive Options and create a new partition of whatever size you like.Ĭlick OK when Windows says it has to perform some actions and eventually you’ll notice there is a new system partition and a new primary partition. Now go ahead and re-insert the Windows 7 DVD into the drive.