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My password suddenly will not work to get me into my ubuntu 20.04 system

in flag
tim

Restarting with ESC pressed gives me a menu of F1 System info F2 System Diagnostics F3 Boot menu F10 Bios setup F11 System Recovery. F1 gives the expected description F2, F9, and F10 all ask for a unknown password and F11 is ignored and loads the usual password request for booting into the system. I have tried Pressing each Shift key while restarting. These are simply ignored and the default password request screen loaded. I have been able to access the default grub file but I can not edit it.

Jad avatar
br flag
Jad
Hi Tim, depending on how proficient you are, you should be able to boot to the usb or cd media, mount the internal hard disk, and edit the `/etc/shadow` file on your computer, which will allow you to reset your password
ArrayBolt3 avatar
ls flag
I'm pretty sure you're dealing with a BIOS password. Ubuntu will likely not be able to help you reset that, as a BIOS password is stored outside of the system's hard drive and is managed by the firmware, not the OS. If you need to clear a BIOS password, try and look up instructions on how to do so on Google, specifying your machine's manufacturer, model, and model number.
ArrayBolt3 avatar
ls flag
Also, if this is indeed a BIOS password, this is a hardware-specific question that doesn't involve Ubuntu, and so is probably off-topic here.
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