You can use the Boot Loader to modify the *boot options*. Boot options are special parameters used to troubleshoot or work around hardware support problems. For example, our [[list of known issues with graphics cards|support/known_issues/graphics]] documents boot options for different graphics cards.

You can use the Boot Loader to modify the *boot options*. Boot options are special parameters used to troubleshoot or work around hardware support problems. For example, our [[list of known issues with graphics cards|support/known_issues/graphics]] documents boot options for different graphics cards.

[[!img install/inc/screenshots/syslinux.png link="noclass="screenshot" alt="Black screen ('SYSLINUX') with Tails
logo and 2 options: 'Tails' and 'Tails (Troubleshooting Mode)'."]]

[[!img install/inc/screenshots/syslinux.png class="screenshot" alt="Black screen ('SYSLINUX') with Tails
logo and 2 options: 'Tails' and 'Tails (Troubleshooting Mode)'."]]

[[!img syslinux-with-options.png link="noclass="screenshot" alt="SYSLINUX with
a list of options starting with '/live/vmlinuz' at the bottom"]]

[[!img syslinux-with-options.png class="screenshot" alt="SYSLINUX with
a list of options starting with '/live/vmlinuz' at the bottom"]]

[[!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 grub-with-options.png link="noclass="screenshot" alt="GRUB with a list of
options starting with 'setparams Tails'"]]

[[!img grub-with-options.png class="screenshot" alt="GRUB with a list of
options starting with 'setparams Tails'"]]

To add a boot option, navigate with the arrows of the keyboard to the end of the line that
starts with <span class="code">linux</span>`linux`.
Type the boot option that you want to add. The line is most likely
wrapped and displayed on several lines but it is a single configuration line.

To add a boot option, navigate with the arrows of the keyboard to the end of the line that
starts with `linux`.
Type the boot option that you want to add. The line is most likely
wrapped and displayed on several lines but it is a single configuration line.

Modify the boot options as needed.on the USB stick

Modify the boot options on the USB stick