The brightness level might be too low. Increase brightness by pressing Fn+F6.
The display output might be set to an external device. To switch the display back to the LCD, press Fn+F9, or change the display through the settings in Display Properties.
Reset the computer by pressing Ctrl+Alt+Del keys.
Try turning the computer off, wait for a few seconds, then turn it back on.
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 an intrinsic characteristic of TFT LCD technology. It is not regarded as a LCD defect. The Inspection Standard generally agreed in the LCD industry allows a maximum of 8 bad dots on a unit.
Resolution cannot be adjusted to desired setting.
Make sure that the video driver and utility is installed correctly.
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 Fn+F9, or change the display through the settings in Display Properties.
Simultaneous display/multi-display does not work.
Make sure that you turn on the external monitor before turning on the computer.
Press Fn+F9 to toggle through the display options or change the settings in Display Properties in Windows.
Troubleshooting |
