Specifications
Troubleshooting
The power supply unit is not connected properly.
Switch off the notebook.
Check that the power supply unit is connected to the notebook properly.
Check that the AC power cord is connected properly to the power supply unit
and the grounded wall outlet.
Switch on the notebook. The LED on the power supply unit should light up.
The notebook's display remains blank
If the display remains blank, it can have the following causes:
The display is switched off
Press a key or enter the system password.
If the notebook is connected to a docking unit or station box in which a VGA or
SVGA adapter is installed, the notebook's display is always switched off.
The display's contrast or brightness has been turned down
Increase the contrast by pressing Fn + ← or increase the brightness with Fn +
↑ ).
The notebook has been configured to drive an external display
Press the key combination Fn + F12 or change the Display Device in Video Setup
setting to LCD or LCD&CRT.
A DSTN color display does not allow a display output at external and
i
notebook display at the same time.
88 A26391-K64-Z100-2-7619