[[!meta title="Starting Tails from an external hard disk or problematic USB stick"]]
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When starting Tails from an external hard disk or [[problematic USB stick|support/known_issues#problematic-usb-sticks]], Tails might return the following error message:
<p class="code">Unable to find a medium containing a live file system</p>
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If the **External Hard Disk** entry does not appear in the Boot Loader, then remove the <span class="code">`live-media=removable</span> ` boot option. To do so, see our instructions on [[modifying the boot options using the Boot Loader|doc/advanced_topics/boot_options]].
If the **External Hard Disk** entry does not appear in the Boot Loader, then remove the `live-media=removable` boot option. To do so, see our instructions on [[modifying the boot options using the Boot Loader|doc/advanced_topics/boot_options]].