Having problems with your Dell E172FP 17" LCD Flat Panel Monitor ?

Blinking blue box with lock symbol on screen

\015 Blue box with white lock symbol blinking in center of screen. have restarted. have uninstalled and re-installed driver with no result.\015

Answers :

Hold down the menu button for 20 seconds until the lock symbol turns into an unlock symbol.
Repair Help & Product Troubleshooting for Dell E172FP 17" LCD Flat Panel Monitor

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