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I am having trouble booting Ubuntu from my Toshiba Satellite (S-50 Series Laptop).

During the installation, I chose to delete Windows and have Ubuntu as the only OS on the system. I think this is called a clean install but correct me if I'm wrong (as I'm new).

After the installation, when I turn on the laptop I get this :

message I then looked for some answers to this and I learned how to access the BIOS on my laptop. Many tutorials such as this suggested that I go to the Security tab and then select Select an UEFI file as trusted for executing.

For some reason my laptop doesn't seem to have this option. I tried setting up a BIOS Supervisor password :

enter image description here. You can see that the Supervisor password is registered but there is no option to Select an UEFI file as trusted for executing. The options that do appear (Boot Menu, BIOS User Password permission, etc.) can only be toggled to Enabled or Disabled.

I then tried to look if there was anything in the other tabs. Under the Advanced tab there is a System Configuration option :

enter image description here Clicking that option, I then get into this :

enter image description here. When I click Boot Mode, there are only two options: UEFI Boot or CSM Boot. I still cannot seem to find Select an UEFI file as trusted for executing.

What should I do? Is there any other way I can get Ubuntu up and running on my hard drive? I can run from the USB just fine but I can't seem to run it on the hardware.

Thank you.

Parsa Mousavi
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lotus
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1 Answers1

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I'd strongly recommend you to boot Ubuntu as LEGACY BIOS rather than UEFI. It works best and you also have an option of dual/triple boot.

If your laptop is new, chances are that their is a UEFI and OEM partition already set-up which prevents installation of other OS. You can use the diskpart utility in windows (reinstall windows and delete the partitions) and then install ubuntu.

In your BIOS, select the boot option as Legacy. You have set it to UEFI. Try booting now. If it still doesn't work, then re-insert your bootable USB and then I suggest making manual partitions. Select create new partition table. In this menu, you will get to know if Windows is properly removed or not. Now you can install ubuntu by making the boot, root and home partitions.

demonkiller
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