Error Message is Shown if Pressing F12 When System with Ubuntu 20.04 is Rebooting or Shutting Down
Summary: This article provides information about an error message shown if pressing F12 when the system is rebooting or shutting down. This is seen on certain platforms running Ubuntu 20.04.
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This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
End users running Ubuntu 20.04 may report that an error message is shown if pressing the F12 key when the system is rebooting or shutting down.
Affected Platforms:
- OptiPlex 5090
- OptiPlex 7090
- OptiPlex 5490
- OptiPlex 7490
- Precision 3450
(Figure 1 - Error Message)
Cause
It is a journal warning message comes from 'systemd' which is a suite of basic building blocks used for lots of Linux OS. During Ubuntu OS shutdown, when X-server and 'Ubuntu Desktop' quits, the backend system logs are printed for a few seconds before system shutdown. Some of the system logs are also printed while the Ubuntu system is booting. These printed systems can be considered expected.
Resolution
Wait for 1 or 2 seconds. Rebooting and shutting down completes successfully.
Affected Products
OptiPlex 5090 Tower, OptiPlex 5090 Micro, OptiPlex 5090 Small Form Factor, OptiPlex 5490 All-In-One, OptiPlex 7090 Tower, OptiPlex 7090 Micro, OptiPlex 7090 Small Form Factor, OptiPlex 7490 All-In-One, Precision 3450 XE Small Form Factor
, Precision 3450 Small Form Factor
...
Products
Ubuntu Server LTSArticle Properties
Article Number: 000182076
Article Type: Solution
Last Modified: 19 Mar 2025
Version: 3
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