*** If you have any question or encounter any problem after your purchase, feel free to contact me through contact seller in your ordering page. I will do my best to resolve your problem. Please do not open a case until you contact me with your problem. By opening a case will take much longer to solve any problem. Thank you for your cooperation. ***
From The Manufacturer:
In addition to being easy to set up and maintain, your Dell™ UltraSharp™ U3011 monitor arrives with the support features and standards to help add peace of mind long after your purchase.