I have a Dell OptiPlex 780 that came with Windows 7 pro OA. When I boot it up, it has WinXP on it. The other catch is there is an admin password that we do not know. I assume prior owner installed XP for some reason or swapped hard drives not sure how to tell that one.
What I need to just get it back to factory, I do not have a restore disk, nor do I have the computer hooked up to internet. So whatever I do, it has to be from a usb drive.
Any insight would help.
Thanks Darla