Cannot disable secure boot in BIOS

[jajogu]

I need changing secure boot to disabled in order to launch a Linux Live USB.
When changed to disabled and saved, bios does not keep the change.
Similar problem as described in: this issue (except other laptop and BIOS)

[sandytechy20]

@jajogu 

Welcome to the HP support community.

I understand that you are trying to disable the secure boot in BIOS, I am glad to assist you.

• To enable or disable Secure Boot on an HP consumer notebook, first confirm if Legacy Support is available and enabled.
• Turn off the computer.
• Press the power button to turn on the computer, and then immediately press the esc key repeatedly until the Startup Menu opens.
• 
• Press f10 to open BIOS Setup.
• Use the right arrow key to select System Configuration, use the down arrow key to select Boot Options, and then press enter.
• 
• Find Legacy Support in the list.
• 
• If Legacy Support is not listed, continue to the next step.
• If Legacy Support is listed and you are enabling Secure Boot, use the down arrow to select Legacy Support, press enter, select Disabled, press enter, and then continue to the next step.
• If Legacy Support is listed and you are disabling Secure Boot, continue to the next step.
• Use the down arrow key to select Secure Boot, and then press enter.
• Use the down arrow key to select Enabled or Disabled, depending on your requirements.
• 
• Press enter to save the change.
• If you enabled Secure Boot, depending on your notebook, press f10 to save the changes and reboot, or use the left arrow key to select the File menu, use the down arrow key to select Save Changes and Exit, and then press enter to select Yes to confirm the change.
• If you disabled Secure Boot, continue to the next step.

Refer to this HP document for further assistance:- Click here

Keep me posted.

If this helps, please mark the public post as an accepted solution so that it benefits several others.

Cheers.