I have a Dell Dimension 9200C and I have tried almost every activation method out there. Unfortunately, none seem to work. Perhaps my dell's BIOS cannot have SLIC 2.1? At the moment, after running the Loader for China I have an "unlicensed" version of Windows 7 Enterprise...even though I am running Ultimate. Also, I have been able to use the Windows 7Loader eXTreme and I have been able to get it activated only until march 2010. If anybody could help me, it would be greatly appreciated. Thanks!