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I did an update to my Ubuntu OS which seems to have effected my BIOS. I need to change the secure boot to disable (which it is was before the Ubuntu update)., but it is greyed out. I have the supervisor password and user passwords set. The ONLY option I can change is the user password. All options, in all the menus, are greyed out.
I have a ACER E5-575. The bios was upgraded about a month ago and all was going great.
How do I get control of the BIOS again?