8-4 Troubleshooting Make sure that the distance between the two devices are not over 10 metersor that there are no walls or other obstructions between the devices. Make sure that the other device is not in “Hidden” mode. Make sure that both devices are compatible.Display ProblemsNothing appears on the screen. During operation, the screen may automatically turn off as a result of powermanagement. Press any key to see if the screen comes back. The brightness level might be too low. Increase brightness by pressing the Fn+F7hot key. The display output might be set to an external device. To switch the displayback to the LCD, press the Fn+F5 hot key or change the display through theDisplay Settings Properties.The characters on the screen are dim. Adjust the brightness and/or contrast.Bad dots appear on the display at all times. A small number of missing, discolored, or bright dots on the screen are anintrinsic characteristic of TFT LCD technology. It is not regarded as a LCDdefect.The external monitor displays nothing. Make sure that the monitor is turned on. Make sure that the monitor’s signal cable is properly connected. Switch the display to the monitor by pressing the Fn+F5 hot key or change thedisplay through the Display Settings Properties.
