136 If Something Goes WrongDisplay problemsSome computers may have an Advanced tab (orsimilar) to change the touchpad properties.3 You can now change the configuration settings of yourtouchpad.Display problemsHere are some typical display problems and their solutions:The screen is blank.Display Auto Off may have gone into effect. Press any key toactivate the screen.If you are using the built-in screen, make sure the displaypriority is not set for an external monitor. To do this, pressthe FN + ( ) keys. If this does not correct the problem,press the FN + ( ) keys again to return the display priorityto its previous setting.HINT: Pressing the FN + ( ) keys several times willadvance you through the display options.If you are using an external monitor:❖ Check that the monitor is turned on.❖ Check that the monitor’s power cord/cable is firmlyplugged into a working power outlet.❖ Check that the cable connecting the external monitor tothe computer is firmly attached.❖ Try adjusting the contrast and brightness controls on theexternal monitor.❖ Press the FN + ( ) keys to make sure the displaypriority is not set for the built-in screen.The screen does not look correct.To choose a theme for your desktop background:1 In the Search field, type Change the theme.2 Click Change the theme.3 Select one of the available options.NOTE