You can set your win7 to auto log-in for you by following this steps
1. Go to Start button
2. Type netplwiz and press the Enter key
3. “User must enter a user name and password to use this computer” untick the check box.
4. Click on the Apply button
5. Enter in the name and password of the account
you want to have automatically logon in the new dialog box.
6. Click on the OK button
Form now win7 will auto log-in on evey start up……………..