That sounds very strange indeed!
Are you doing clean installs or upgrading? Are the OS disks formatted before use?
I agree with you saying that there are very few options to select when installing Win7 and I'm sorry I can't be of much help.
This thread is now locked and can not be replied to.
New Google phones UK release date | Pixel XL price, new features, specifications: Pixel X and…
1995-2015: How technology has changed the world in 20 years
This is the future of TV, VR and holograms
iOS 10 troubleshooting tips: Simple fixes for the most common iOS 10 problems, from network…