Lock Symbol in middle of screen


User has a lock symbol in the middle of their screen that appears then disappears. Cannot be seen by remote software.


  1. Hold down monitor menu button for 15 seconds and the menu option appears to disable menu lock.
  2. Choose disable.


Dell monitors have a menu lock function that can become enabled if the menu button is held down an extended time. Then lock will appear if the menu button is touched or bumped by adjacent monitor.

Applies To:

  • Dell monitors

More Information:

For more information or assistance, please contact the  ITServices Helpdesk  - 250.807.9000 or 855.807.9001.
Attached Files
There are no attachments for this article.
Related Articles RSS Feed
How do I know if I am running Windows XP or Windows 7?
Viewed 1694 times since Tue, Apr 22, 2014
How do I determine my disk space usage?
Viewed 1006 times since Tue, Jul 22, 2014
Mac Wifi Issue
Viewed 830 times since Mon, Sep 8, 2014
Adobe P-D-F Maker Compatibility
Viewed 1045 times since Thu, Sep 18, 2014
How do I know what Mac O/S I am running?
Viewed 1315 times since Wed, Oct 29, 2014
Sophos removal/re-add process
Viewed 696 times since Tue, Nov 18, 2014