<div class="tip"> <p>The line <code>175 signatures not checked due to missing keys</code> or similar refers to the certifications (also called <i>signatures</i>) made by other public keys that are not in your keyring. This is not a problem.</p> </div>
<div class="caution"> <p>If you are unsure about the device name, you should stop proceeding or <strong>you risk overwriting any hard disk on the system</strong>.</p> </div>