Inspiron 15 and Ubuntu 14.04: parameters of the BIOS change removes partion "ubuntu".

Inspiron 15 3551

BIOS Rev A00

14.04 Ubuntu preinstalled by Dell.

My laptop is brand new. I went through the initial setup in 15 minutes approximately. This has worked well. I rebooted several times without problem. At this point, the boot options are (if I hit F12 at startup):

Tittle: Startup Mode is set to: UEFI with legacy OPROM: secure boot: off

THE LEGACY OPTIONS:

Hard drive

UEFI OPTIONS:

PEBOOT

Ubuntu

HDD1 - OS UEFI (TOSHIBA )

Please note that I never really used the start menu. I just use the default value.

After a few days, I tried to change how the function keys worked, so I restarted and is gone the BIOS, change this setting, then choose 'save changes and "Reset". Restarted the laptop, but couldn't find the good disk (or partition, or whatever - not sure of the exact terminology). A flashed on the screen error: couldn't open '\EFI\BOOT\fallback.efi': 14

Then the only choice I give myself is to boot from the recovery partition, forcing me to do a reinstall full - 15 minutes more loss of all data.

If I hit F12 at startup while the laptop is in this State, the boot options are as above, except lack the "ubuntu" option, as follows:

THE LEGACY OPTIONS:

Hard drive

UEFI OPTIONS:

PEBOOT

HDD1 - OS UEFI (TOSHIBA )

I ran the ePSA assessment system, and it shows no problem.

This problem is reproducible. I've walked through the entire sequence 3 times.

So, what gives? How can I change the BIOS settings without losing my OS partition?

Thank you

Joel

Today I received my 3551 Dell with ubuntu.  I am facing a similar situation.  If inherited boot mode, then something happens to the boot process for the uefi firmware.  I'm trying to understand uefi starting the process as well as the Partion of EFI (ESP) system works.   A good place is-

www.happyassassin.NET/2014/01/25/UEFI-boot-how-does-that-actually-work-then/

Once something bad happens recovery dell comes into play and reinstall everything.

Another problem that I face is that the process to create a recovery on a usb flash drive media fails. I used different usb pen drives but runs aground with each of them.  The recovery flash drive me would be useful if the computer is required to be returned to factory State.   Please inform your experience with it.  I wonder what partition used by the dell recovery program.

Also inform if drivers for Windows are hidden somewhere on the hard drive.

Thank you.

Tags: Dell Software

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