If the supervisor password is reset without resetting the and hard drive as well, you will be unable to access the data on the drive. The exception to this are laptops, especially IBM Thinkpads, which silently lock the hard drive if the supervisor password is enabled.
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Please remember that most BIOS passwords do not protect the hard drive, so if you need to recover the data, simply remove the hard drive and install it in an identical system, or configure it as a slave drive in an existing system.
Removing the CMOS battery for at least 10 minutes Reset the CMOS using the jumpers or solder beads.
Using a manufacturers backdoor password to access the BIOS In the event the manufacturer cannot (or will not) help you, there are a number of methods that can be used to bypass or reset the BIOS password yourself. is not responsible for the use or misuse of this material, including loss of data, damage to hardware, or personal injury.īefore attempting to bypass the BIOS password on a computer, please take a minute to contact the hardware manufacturer support staff directly and ask for their recommended methods of bypassing the BIOS security. Please do not attempt any of these procedures if you are unfamiliar with computer hardware, and please use this information responsibly. It is not intended for home users, hackers, or computer thieves attempting to crack the password on a stolen PC. This article is intended for IT Professionals and systems administrators with experience servicing computer hardware. There are a few known backdoors and other tricks of the trade that can be used to bypass or reset the BIOS Sending the unit back to the manufacturer to have the BIOS reset can be expensive and is usually not covered in the warranty. Unfortunately, BIOS passwords can also be a liability if a user forgets their password, or changes the password to intentionally lock out the corporate IT department. They are used to either prevent a user from changing the BIOS settings or to prevent the PC from booting without a password. BIOS passwords can add an extra layer of security for desktop and laptop computers.
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