For Windows XP system, restart the system into safe mode by tapping F8 on Dell logo. Sign in to the administrator account and reset the password.
If the administrator account is not working, you may try resetting the system to factory settings using the link mentioned below:
If the PC Restore does not work, try re-installing the operating system using the disk that came with the system. Please refer to the link mentioned below:
Thanks & Regards
edited by moderator: Deleted Dubious links