Why is it a symbol of lock in the middle of my office.

my Dell desktop computer suddenly began showing a symbol of a padlock closed in the middle of the screen.  How to go further?

Hello

Read this Information:

http://www.paulstravelpictures.com/Dell-LCD-monitor-flashing-padlock-icon/index.htm

And Information to the community of Dell:

http://en.community.Dell.com/support-forums/peripherals/f/3529/p/18701800/18824786.aspx#18824786

http://en.community.Dell.com/support-forums/peripherals/f/3529/p/18572797/18695783.aspx#18695783

http://en.community.Dell.com/support-forums/peripherals/f/3529/t/19295830.aspx

See you soon.

Tags: Windows

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