New
#11
Are you aware the cleaning the HD and installing the OS are done in Boot Mode, not Safe Mode?
Where did you get the Win7 installation DVD? Did you burn it yourself? If so confirm the ISO and burn another using ImgBurn at 4x speed
How to Boot your Computer from a Bootable CD or DVD
Or write the ISO to flash stick using Universal USB Installer with Win7 in dropdown menu. Boot under USB, Removable or HD's.
Then follow these steps to get a perfect clean reinstall of factory OEM: Reinstalling Windows 7