[[Download Tails as an ISO image|install/download-iso]], instead of a USB image.
11
[[!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)'."]]
21
[[Download a USBTails as an ISO image|install/download-iso]], instead of an ISOUSB image.
1.If you want to erasoverwrite all data securelyon the device, choose to **Overwrite existing data with zeroes** in the **Erase** drop-down list. menu.