Resolution cannot be adjusted to desired setting.
Make sure that the VGA driver 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 the
Fn
+
F9
hot key
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 the
Fn+F9
hot key to toggle through the display options or change
the settings in
Display
Properties in Windows.
Hardware Device Problems
The computer does not recognize a newly installed device.
The device may not be correctly configured in the BIOS Setup program.
Run the BIOS Setup program to identify the new type.
Make sure if any device driver needs to be installed. (Refer to the
documentation that came with the device.)
Make sure if the device needs any jumper or switch settings. (Refer to
the documentation that came with the device.)
Check the cables or power cords for correct connections.
For an external device that has its own power switch, make sure that the
power is turned on.
Hard Disk Drive Problems
The hard disk drive error message appears on the screen.
The hard disk drive has defects. Ask your dealer for help.