$PasswordSet.SetBiosPassword("smp,OldPassword,ascii,us")įor more detailed information on the Lenovo WMI interface, as well as a list of supported hardware models, refer to the official documentation. $PasswordSet.SetBiosPassword("pap,OldPassword,ascii,us")
$PasswordSet.SetBiosPassword("smp,OldPassword,NewPassword,ascii,us") $PasswordSet.SetBiosPassword("pop,OldPassword,NewPassword,ascii,us") $PasswordSet.SetBiosPassword("pap,OldPassword,NewPassword,ascii,us") This can be done using the Lenovo_SetBiosPassword class. The next step is to action on this data and either change or clear the BIOS password. 71 – System management, supervisor, power on, and hard drive passwords set.70 – System management, supervisor, and hard drive passwords set.69 – System management, power on, and hard drive passwords set.68 – System management and hard drive passwords set.67 – System management, supervisor, and power on passwords set.66 – System management and supervisor passwords set.65 – System management and power on passwords set.7 – Supervisor, power on, and hard drive passwords set.6 – Supervisor and hard drive passwords set.5 – Power on and hard drive passwords set.3 – Power on and supervisor passwords set.For reference, this is what each value means: These two lines will return a number that tells us what passwords are currently set. $PasswordSettings = Get-WmiObject -Namespace root\wmi -Class Lenovo_BiosPasswordSettings This information can be obtained from the Lenovo_BiosPasswordSettings class. The first thing that needs to be done is to determine what passwords are currently configured. This script deals specifically with Lenovo BIOS passwords, so in this post, I will only be discussing the classes related to password management. This means that we can use PowerShell to directly view and edit BIOS settings without the need for a vendor specific program. Lenovo provides a WMI interface that can be used for querying and modifying BIOS settings on their hardware models. The script can be downloaded from my GitHub. I’ll also talk about some limitations of the script and some areas it could be improved in the future In this post, I’ll cover the basics of how the script works.
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My goal was to have a script that could change or clear existing passwords and could display a prompt to the screen when manual intervention was required.
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This post discusses how to manage Lenovo BIOS passwords using WMI. This post was updated on October 18th, 2020.
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