Hi!! My brother has made his system of Windows 2000 inaccessible . He took his workcomputer home to run some simulations. To connect with his home-computer, he changed the networkidentification (domain -> workgroup) and LAN properties to reflect those of his Home LAN. Now, of course, when he starts up the PC and enters his password, it displays an errormessage that he can not be logged on ("make sure your User name and Domain are correct"). I would think you can specify your domain somewhere, but you can't. He came to me for help, but I have no idea. Any idea how he can resolve this issue? Or at least access his data from the disk?