See Solving Problems for more information.Setting the Optimal ResolutionTo set the optimal resolution for the monitor:1. Right-click on the desktop and select Properties.2. Select the Settings tab.3. Set the screen resolution to 1440 x 900.4. Click OK.If you do not see 1440 x 900 as an option, you may need to update your graphics driver. Depending on your computer, complete one of the followingprocedures:l If you have a Dell desktop or portable computer:¡ Go to support.dell.com, enter your service tag, and download the latest driver for your graphics card.l If you are using a non-Dell computer (portable or desktop):¡ Go to the support site for your computer and download the latest graphic drivers.¡ Go to your graphics card website and download the latest graphic drivers.Using the Dell Soundbar (Optional)The Dell Soundbar is a stereo two channel system adaptable to mount on Dell Flat Panel Displays. The Soundbar has a rotary volume and on/off control toadjust the overall system level, a blue LED for power indication, and two audio headset jacks.Using the TiltIf you press any button other than the power button one of the following messages will appear depending on the selected input:VGA/DVI-D inputIf either VGA or DVI-D input is selected and both VGA and DVI-D cables are not connected, a floating dialog box as shown below appears.or1. Power/volume control2. Power indicator3. Headphone connectors