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How to clear bios password lenovo
How to clear bios password lenovo













If the computer ignores the Esc key when it's powered-on, or if you see an invitation to press the F2 key to enter the BIOS Setup utility, follow the "F2 key BIOS" procedure, below.Īlmost all Toshiba notebook computers will respond to either the Esc key or the F2 key when they're first powered-on. If the message "Check System and press the F1 key" appears, then follow the "Esc key BIOS" procedure, below. Immediately and repeatedly tap the Esc key. Starting with the computer fully off, turn it on by pressing and releasing the power button. First, determine which type of BIOS is used in your notebook model, as follows:

how to clear bios password lenovo

There are two main varieties of BIOS used in Toshiba notebooks, each with its own unique method for setting and disabling a password.

#How to clear bios password lenovo windows#

With Windows XP, 2000, and NT, the password prompt is for a secure logon, meaning that it's not possible to skip over the password prompt (though it is possible to leave the password prompt blank - a 'null' password). The computer can then be used normally (though possibly with some limitations). With Windows 95, 98, and ME, this password is used only to support the customization of the Windows environment by each user, and the password prompt may be ignored by clicking Cancel or pressing the Esc key. The Windows password prompt appears while Windows is starting. If both are set, the Supervisor password takes precedence. Although the prompts for these two passwords have the same appearance, the passwords are set and removed differently. If you forget your BIOS or Supervisor password, you will have to have the password removed by a Toshiba Authorized Service Provider. The BIOS and Supervisor passwords cannot be removed or changed unless you know the existing password(s).

how to clear bios password lenovo how to clear bios password lenovo

Knowing the Supervisor password makes it possible to change the BIOS password, without knowing it. Exactly which settings require the Supervisor password permission varies from model to model. The difference between them is that if the Supervisor password is set, it must be entered in order to change system settings. Once a BIOS or Supervisor password is set, the computer will only start Windows (or any other operating system) after that password is entered correctly.Įntering either a BIOS password or a Supervisor password permit normal use of the computer. Both the BIOS and Supervisor password prompts appear immediately after the computer is started or restarted, or taken out of Standby mode.













How to clear bios password lenovo