Lenovo 4420HB2 User Manual - Page 22

The display modes shown below have been optimized at the factory. Table 2-3. Factory set display modes Addressability 640 x 350 640 x 480 720 x 400 800 x 600 1024 x 768 1152 x 864 1280 x 1024 1360 x 768 1440 x 900 1600 x 1200 1680 x 1050 1920 x 1200 Refresh rate 70 Hz 60 Hz, 66 Hz, 72 Hz, 75 Hz 70 Hz 60 Hz, 72 Hz, 75 Hz 60 Hz, 70 Hz, 75 Hz 75 Hz 60 Hz, 72 Hz, 75 Hz 60 Hz 60 Hz, 75 Hz 60 Hz, 70 Hz, 75 Hz 60 Hz 60 Hz Image rotation Before rotating the monitor, you should set-up your computer to rotate the image. Rotating the image may require special rotation software or you may find that your computer is preloaded with video graphic drivers that allows image rotation. Check the Graphic Properties setting on your computer to see if this feature is available. Try these steps to check if image rotation is available on your computer. 1. Right-click on the desktop and click Properties. 2. Select the Settings tab and click Advanced. 3. If you have ATI, select the Rotation tab and set the preferred rotation. If you have nVidia, click the nVidia tab, in the left-hand column select NVRotate, and then select the preferred rotation. If you have Intel, select the Intel graphics tab, click Graphic Properties, select the Rotation tab, and then set the preferred rotation. Check with the manufacturer of your computer to see if graphic drivers with image rotation can be downloaded from their support website. Understanding power management Power management is invoked when the computer recognizes that you have not used your mouse or keyboard for a user-definable period. There are several states as described in the table below. 2-7 L2440p Wide Flat Panel Monitor User's Guide