Display optionsIdentifying the display adapter (Windows 7 and Windows 10)1 Start the Search Charm and select Settings.2 Type Device Manager in the search box, and tap Device Manager from the left pane.3 Expand Display adapters.Changing the screen resolution (Windows 7, 8.1 and 10)1 Right-click on the desktop and select Display Settings.2 Tap or click Advanced display settings.3 Select the required resolution from the drop-down list and tap Apply.Adjusting brightness in Windows 10To enable or disable automatic screen brightness adjustment:1 Click open Settings from Start menu on Windows 10.2 Click System → Display.3 Use the Adjust brightness level to adjust the brightness manually.Adjusting brightness in Windows 8.1To enable or disable automatic screen brightness adjustment:1 Swipe-in from the right edge of the display to access the Charms menu.2 Tap or click Settings → Change PC Settings → PC and devices→ Power and sleep.3 Use the Adjust my screen brightness automatically slider to enable or disable automatic-brightness adjustment.Adjusting brightness in Windows 7To enable or disable automatic screen brightness adjustment:1 Click Start → Control Panel → Display.2 Use the Adjust brightness slider to enable or disable automatic-brightness adjustment.NOTE: You can also use the Brightness level slider to adjust the brightness manually.Connecting to external display devices (Windows 7, 8.1 and 10)Follow these steps to connect your computer to an external display device:1 Ensure that the projector is turned on and plug the projector cable into a video port on your computer.2 Press the Windows logo+P key.3 Select one of the following modes:32 Technology and components