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I want to somehow "crack" the Uefi "Bios" screen of my packard bell ENLG81BA Notebook

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  I want to somehow "crack" the Uefi "Bios" screen of my packard bell  ENLG81BA Notebook David <david_moerike@arcor.de> - 2016-11-12 09:10 +0100
    Re: I want to somehow "crack" the Uefi "Bios" screen of my packard bell ENLG81BA Notebook Sven Joachim <svenjoac@gmx.de> - 2016-11-12 09:40 +0100

#174571 — I want to somehow "crack" the Uefi "Bios" screen of my packard bell ENLG81BA Notebook

I want to somehow "crack" the Uefi "Bios" screen of my ENLG81BA Notebook.

For example for looking into the Boot order or editing it.

The question is how I can use a grml CD / DVD / USB-Stick (I have 
already downloaded the grml iso image).

Or is it possible even without grml through a command line when GRUB is 
starting?

The F2 key that during boot opens the Uefi "Bios" screen does not work.

The F12 that normally unlocks the F2, also does not work.

Loading the Debian efivars kernel module which is necessary to execute 
the programs efivar and efibootmgr is impossible, it results in 
following error message:

***

modprobe: ERROR: could not insert 'efivars': No such device

***

... the assumption is that the ENLG81BA is very, very good protected 
against opening the Uefi "Bios" screen.

I no longer have Windows on it, under Windows 10 I could install the 
"easyUEFI" Program and use the menu command

reboot into Uefi screen.

But because I no longer have Windows I can no longer use that program.

***

I want to even know more about my computer. The next question is: can 
the computer, when executing update-grub and the old Windows 7 disk 
attached through usb, find it?

And if it finds it - can it then even boot the externally attached 
Windows 7 disk?

This is an hpdv9000 harddisk and I found that no cases are available; I 
had to order - through ebay - a case which is shipped directly from 
China, delivery time one to two months, which is not for usb cable but 
fits into the CD / DVD slot, do not know when I will receive it and 
whether it will work or not.

***

Hope there is somebody out there who has the exact same computer model 
as me, and exact knowledge about its use and configuration under Debian. 
Debian itself - it is the "stretch" (testing) distribution - boots and 
works fine.

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#174575 — Re: I want to somehow "crack" the Uefi "Bios" screen of my packard bell ENLG81BA Notebook

On 2016-11-12 09:02 +0100, David wrote:

> I want to somehow "crack" the Uefi "Bios" screen of my ENLG81BA Notebook.
>
> For example for looking into the Boot order or editing it.
>
> The question is how I can use a grml CD / DVD / USB-Stick (I have
> already downloaded the grml iso image).
>
> Or is it possible even without grml through a command line when GRUB
> is starting?

There should be "System setup" in the grub menu.  If it isn't there, use
'c' to get a commandline and type "fwsetup".

Cheers,
       Sven

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