After my old monitor has unfortunately given up the ghost I had umtun to spare. Because of the good reviews it has become for me then the BenQ GL2450H. The price Leistungsverhätlnis you just have to strike. Delivery, as with Amazon usual, fast and uncomplicated. Until the monitor showed a decent picture? Well - it took so 1-2h. Thankfully here before other buyers shared their experience, otherwise I would have sent him back as defective. But first things first: Commissioning: Wanted operate the monitor to HDMI. HDMI is not automatically detected by the monitor but it always displays the message "No cable connected". So you have to first enter the OSD and change the source to HDMI here. Then the Montior also shows an image. However, the quality was just awful (the writings were blurred or downright "shot up") and it showed a wide black border. Here half of the Notice of S.Arne further - Update of Catalyst Centers (use Windows7 64bit with ATI Radeon graphics card) and "open the Catalyst Control Center (" extended "), click the menu item" Graphics "-" desktops & Display "Right click on the monitor, then select "Configure" and put in "scaling options" the slider to zero. " After that, everything was great. That black edging away and the image including the writings knackscharf! For the price my buy recommendation. One star deduction which were mentioned because of the teething problems either in very thin paper instructions in the documentation supplied on CD. If you know that but you have the BenQ a great monitor!