A Samsung laptop was formatted with Windows 7 Ultimate by someone and they installed a DELL loader and possibly cracks. I've repaired the bootloader and used various techniques to try and get it to recognise the Samsung XRM-MS and key. The best I've managed to do so far is to reset it back to trial. This has allowed me to install MS Security Essentials which has removed a number of trojans and other toolbars and crap. The Samsung cert and key "install" OK however it still sticks in Trial mode and then says the Samsung key is invalid, triggering WPA. I do not want to have to reinstall nor use further cracks etc. How do I make it genuine again?