I don't know about DD 8400 specifically, but you can boot into Safe Mode and remove any user passwords being applied to the system from Control Panel/User Accounts.
Try booting the computer and tapping F8 continually to enter Safe Mode. Read your system manual and find how to enter Safe Mode. Remove any system password from Safe Mode Control Panel/User Accounts.
Message edited by badge on 11-18-2007 at 11:00:53 PM
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