https://bgstack15.ddns.net/blog/enContents © 2022 <a href="mailto:bgstack15@gmail.com">bgstack15</a> <a rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/"> <img alt="Creative Commons License BY-SA" style="border-width:0; margin-bottom:12px;" src="https://bgstack15.ddns.net/.images/l_by-sa_4.0_88x31.png"></a>Sun, 27 Feb 2022 04:05:00 GMTNikola (getnikola.com)http://blogs.law.harvard.edu/tech/rsshttps://bgstack15.ddns.net/blog/posts/2021/10/09/thinkcentre-mac-address-all-zeros-after-power-loss/bgstack15<p>I eventually saw that my system didn't have a MAC address for the network card!</p> <pre class="code literal-block"><span></span><code>$ ip link show ens33 <span class="p">|</span> grep ether <span class="m">2</span>: ens33: &lt;DOWN&gt; link/ether <span class="m">00</span>:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff </code></pre> <p>I was getting desperate, and booted into the BIOS and disabled the onboard ethernet card, and rebooted. Then I rebooted into bios again and re-enabled the network card, and then back into the OS, and now my network card was working again!</p>lanmacpowerthinkcentrehttps://bgstack15.ddns.net/blog/posts/2021/10/09/thinkcentre-mac-address-all-zeros-after-power-loss/Sat, 09 Oct 2021 12:34:49 GMT