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.
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[[!img install/inc/screenshots/syslinux.png link="no" class="screenshot" alt="Black screen ('SYSLINUX') with Tails logo and 2 options: 'Tails' and 'Tails (Troubleshooting Mode)'."]]
[[!img install/inc/screenshots/syslinux.png link="no" class="screenshot" alt="Black screen ('SYSLINUX') with Tails logo and 2 options: 'Tails' and 'Tails (Troubleshooting Mode)'."]]
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[[!img syslinux-with-options.png link="no" class="screenshot" alt="SYSLINUX with a list of options starting with '/live/vmlinuz' at the bottom"]]
[[!img syslinux-with-options.png link="no" class="screenshot" alt="SYSLINUX with a list of options starting with '/live/vmlinuz' at the bottom"]]
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[[!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)'."]]
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[[!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'"]]
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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.
