When I turn on the computer, I get a blue screen asking to put in an administrator password. I don't know this password and it won't let me go past this screen.
Maybe virus invade your computer.
You can reset windows password if you do not want to reinstall windows with lose data.
Reset windows password, you can use safe mode, rese disk and so on.And I recommend use reset tool,such as Windows Password Reset Deluxe, for it is convenience and guaranteed
SOURCE: the administrative password is different in the bios settings
You can reset the password easily by removing the battery which will clear the CMOS. If you aren't comfortable doing this, perhaps you can find someone who will do it for you. It's not hard to do, and you won't hurt anything as long as you unplug the computer and discharge any static from your body. (Just touch something metal - like the rails on your desk or something else.)
SOURCE: Dell XPS M1210 Administrator password and password log on problem
This is a known vista issue where it creates a backup of your profile for some reason there registry edits to try and fix it but a system restore is much easier. Follow the below steps to solve problem.
Turned computer on and immediately pressed F8 repeatedly until I got "Advanced Boot Options" select "Safe Mode" computer then opens safe mode login as admin if possible, with a "Help" window, in the help window there is an underlined "What is System Restore?" then select "Click to open System Restore" restore to a previous state before which the fault occurred.
Click OK and after config changes should be good to go.
SOURCE: dell latitude d820 can't get intothe bios set up screen
The BIOS password is stored in CMOS memory which is attached to the motherboard. If you remove this battery, all CMOS information (including the BIOS password) will be lost. You will need to re-enter the correct CMOS setup information to use the machine.
Hope you find this information usefull.
your feedback is appreciated.
Askari :)
SOURCE: My mom got a Dell Studio 1535 laptop for my sister for
no need to go in deep so much
while starting up of the laptop, press <Del> key or <F2> to go to setup.
select security setup
change security setup to other than system
and disable/clear passwords if possible, by giving blank passwords
you will solve your problem if you follow the aforesaid things
SOURCE: dell inspiron 5150 laptop, reset admin. password.
Restart your laptop and keep tapping F8 key the moment you see something on the screen. You will get a black screen with some options written in white. Select the option Safe mode and then you can create a new user with admin rights. Or else at the windows login screen press and hold ctrl and alt key and tap delete key twice and then it will take you to a login screen. Dont put any password there just hit enter. And you will be able to login with admin rights.
Thanks
Deepak
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