What can I do when on a used computer I can not enter the administrator account?
82
How do I reset a lost administrative password?
121883
Cannot login to my user account
117081
How can I test the login for an expired session?
2805
What can I do if I forgot my Windows password?
81485
Forgot BIOS password, need to reset it
81500
Computer can't resolve other computer names
148659
Getting Windows 7 admin account password?
116711
"Access denied" when trying to end a process on Windows 8
131261
How to access the Administrator Command Prompt in Windows 8?
4949
Admin login returns 'Sorry, unrecognized username or password.'
18006
How can I get admin access to a Mac without knowing the current password?
51961
How do I make my folders inaccessible by other administrator accounts on Windows 8?
36061
I've lost access to my SE email and password; do I have options?
75105
Unable to login to a domain computer using a Local Administrator account
33039
How to gain sudo access after powerwashing (factory resetting) my computer?
41025
no administrator password for Windows 7
37173
How to enable administrative shares on Vista and XP?