To reset the USB stick, click on the <span class="guimenu">[[!img lib/open-menuview-more.png alt="MenuDrive Options" class="symbolic" link="no"]]</span> button in the titlebar and choose <span class="guilabel">Format Disk…</span>**Format Disk** to erase all the existing partitions on the device.
To reset the USB stick, click on the [[!img lib/view-more.png alt="Drive Options" class="symbolic" link="no"]] button in the title bar and choose **Format Disk** to erase all the existing partitions on the device.
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In the <span class="guilabel">**Format Disk</span>** dialog:
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.
In the confirmation dialog, click **Format** to confirm.
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If Tails starts as usual, follow the instructions for [[resetting a USB stick using <span class="application">GNOME Disks</span>the *Disks* utility|linux#disks]].