Follow A Clean Install of Windows 7 in Windows Reinstallation Guide: [URL] Do not use the media created with the Dell DataSafe program. Instead use a Dell Reinstallation DVD. Use the form below to request a reinstallation DVD. [URL]  
I have a Dell Inspiron 580 desktop computer with Windows 7 Home Premium. I performed a full system recovery using the recovery partition on the hard drive first where it wipes all data and restores to factory condition. After the restore, when Windows is starting for the first time, it comes up to the normal login screen requiring a user ID and password.  Why is this? I cannot continue since there is no user ID and password when you expect all data to be wiped and starting with a full factory restore/recovery. I performed it a second time with the same results. I performed it a third time using the Dell Recovery Disk set made using the Dell program on the computer before the restore operation. I watched the program perform a format of the partition so all data should be erased. I got the same results asking for an existing user ID and password. Now I performed the full factory restore/recovery a fourth time using the recovery disks. I still go tthe same results. When booting to Windows 7 for the first time each time, I expect Windows to ask me to create a new user ID and password.  Instead, Windows boots to the normal login screen askling for an existing user ID and password. What is the cause of this problem? I see several people with this problem in the forums. I have not found a real solution. Thanks for any help offered. :-)
Dell Windows 7 Factory Recovery/Restore Problem - Windows requires existing 
user ID and password after full recovery? Why?