A new device appears in the list of storage devices. This new device
corresponds to the USB stick that you plugged in. Click on it.

<div class="caution">

</div>

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

</div>

<!-- Note for translators: This section is very similar to /install/inc/steps/install_with_etcher.inline. -->

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

Your USB stick appears as a new device in the list. Check
that its size corresponds to the size of your USB stick.

/dev/disk1
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *8.0 GB disk1
1: Apple_HFS Untitled 1 8.0 GB disk1s1