#Where is the "advanced options" to boot from an old kernel?

1 messages · Page 1 of 1 (latest)

unreal delta
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Hi. I read that before installing a new kernel update it's good to make a copy of the system with Timeshift, and in case things don't work I can revert to using an older version of the kernel by going into "advanced options" in the boot menu.

But I entered the boot menu by pressing the "esc" key when turning on and I don't see said option.

I just want to make sure that I can recover before updating. What am I doing wrong?

This is a HP laptop.

snow swift
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More reliable way is to show that menu at every boot for 3 - 5 seconds.

dreamy acorn
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what you showed is the computer's boot menu.

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this pic is GRUB menu.

lapis temple
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try shift

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but it won't work on a uefi system

dreamy acorn
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best way is like Maniak said

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to have grub set to show. even for 2 or 3 seconds, automatically

unreal delta
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I tried shift and nothing happened before

unreal delta
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Thank you 🙂

snow swift
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When you're in mint, go to the terminal and type

sudo xed /etc/default/grub

in the opened file change GRUB_TIMEOUT_STYLE= to menu and GRUB_TIMEOUT= to 3 or 5

save the file, close the editor and then type

sudo update-grub

dreamy acorn
unreal delta
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This worked perfectly!

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Thank you!

snow swift
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You're welcome

unreal delta
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Ok I might have done something wrong in the process

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The Fn keys seems to be set as if I were constantly pressing it. So for example the keys to adjust brightness or lower/rise volume doesnt work now until I press the fn key

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While before it worked without pressing it. It's like it got inverted.

lapis temple
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check bios for something related to fn key function

unreal delta
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Ok

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Found it

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Thanks again 🥰

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Oh It didn't work though

dreamy acorn
lapis temple
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time to remove the solved mark

unreal delta
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I'm reverting to a previous timeshift snapshot to see if the fn keys work as before

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And nope they don't

lapis temple
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wtf

unreal delta
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Is there a way to invert or lock the fn key that I'm not aware of and that I might have pressed?

lapis temple
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perhaps a keyboard based shortcut

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dunno

unreal delta
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In the BIOS it's set as Disabled as it should be. But it works as if it was Enabled

lapis temple
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set it as enabled

unreal delta
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Ok

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No change

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I don't get it

lapis temple
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set it as disabled again

unreal delta
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Nothing

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It still uses the fn 1-12 keys per default instead of the apps (brightness, volume, airplane mode, etc)

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It worked properly before