[[!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)'."]]

[[!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)'."]]

If you want to overwrite all data on the device, choose **Overwrite existing data with zeroes** in the **Erase** menu.

Click **Format**.

Execute the following command to safely eject the USB stick. Replace <span class="command-placeholder">device</span> with the device name found in step 6.

Execute the following command to safely eject the USB stick. Replace <span class="command-placeholder">device</span> with the device name found in step 6.

Enter your password if you are asked for it.

Enter your password if you are asked for it.

[[!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)'."]]

If you want to overwrite all data on the device, choose **Overwrite existing data with zeroes** in the **Erase** menu.

Click **Format**.

Click **Format**.