[[!meta title="Resetting a USB stick using macOS"]]

[[!inline pages="doc/reset.intro" raw="yes" sort="age"]]

<div class="caution">

<p><b>You might overwrite any hard disk on the computer.</b></p>

<p>If at some point you are not sure about which device to choose, stop proceeding.</p>

</div>

Make sure that the USB stick that you want to reset is unplugged.

Start <span class="application">Disk Utility</span>.

Plug in the USB stick that you want to reset.

In the list of storage devices, verify that the device corresponds to the USB stick that you want to reset, its brand, its size, etc.

To reset the USB stick:

In the confirmation dialog, click on the <span class="bold">Erase</span> button to confirm.

<div class="note">

<p>If the erase process fails, try [[!toggle id="format"
text="formatting the USB stick using the command line"]] first.</p>

[[!toggleable id="format" text="""

<span class="hide">[[!toggle id="format" text=""]]</span>

Unplug the USB stick from the computer.

<p class="command">diskutil list</p>

It returns a list of the storage devices on the system. For example:

/dev/disk0
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.1 GB disk0
1: EFI 209.7 MB disk0s1
2: Apple_HFS MacDrive 250.0 GB disk0s2
3: EFI 134.1 GB disk0s3
4: Microsoft Basic Data BOOTCAMP 115.5 GB disk0s4