I- Open the BIOS or UEFI settings, try to apply the following changes: of the computer.

- Open the BIOS or UEFI settings of the computer.

To learn how to edit the BIOS or UEFI settings, search for the user manual of
the computer on the support website of the manufacturer.

To learn how to edit the BIOS or UEFI settings, search for the user manual of
the computer on the support website of the manufacturer.

[[!img install/inc/screenshots/grub.png link="noclass="screenshot" alt="Black screen
('GNU GRUB') with Tails
logo and 23 options: 'Tails' and 'Tails
(Troubleshooting Mode)' and 'Tails (External Hard Disk)'."]]

[[!img install/inc/screenshots/grub.png class="screenshot" alt="Black screen ('GNU GRUB') with Tails
logo and 3 options: 'Tails' and 'Tails (Troubleshooting Mode)' and 'Tails (External Hard Disk)'."]]