My son used my IBM lenovo T400 lap-top and did something that locked me out. Now when I turn own my lap-top I see a black screen with a lock... i dont have the password... help
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I see that your Thinkpad T400 machine is locked and you are unable to make use of the machine.
to be able to unlock the machine power the system on once turned ON you will see a Lock icon on the center of the screen just press and hold down the FN key for at least 5-7 seconds or if possible untill the lock icons shows that it is unlocked.
Is the computer taking forever to shutdown in the blue screen or is it something else. Perhaps try closing the applications running with the system to help the process speed up and actually work without the usage of the power button.
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