Sharp PC-AX Series Manual page 84

Trouble with Display
See also the Display section in Chapter 4.
Question: Why is the screen blank?
•
Press any key to see if any power management feature has turned off the screen
to save power.
•
See the power indicator to check whether the computer is powered.
•
If you are using a standard battery pack, make sure it has a charge remaining. If
you are using an optional battery pack, make sure it is connected correctly and
has a charge remaining.
•
Make sure the LCD screen is selected as the display by pressing Fn+F5.
•
Check the brightness controls for your display by pressing Fn+F7.
•
Check whether the back light is on by pressing Fn+F11.
•
If you still have the problem after trying the above, slide the power switch for
more than four seconds to turn off the system. Five seconds later, turn the
computer on.
•
If you cannot power off the system with above procedure, press the reset switch
on the bottom of your computer and turn off the system (refer to page 2-3). Wait
five seconds and turn the computer back on.
Question: Why does the external monitor display nothing?
•
Confirm the monitor is turned on.
•
Confirm the monitor is connected correctly.
•
Make sure an external monitor is selected as the display by pressing Fn+F5.
Question: Why is the image on an external monitor display distorted?
•
Confirm the monitor is connected correctly.
•
Make sure the CRT is not near any electric devices having strong magnetic
fields such as a TV set or radio.
•
Do not share an outlet with a TV set or radio.
•
Make sure the value of the Screen area in the Display Properties is lower than the
resolution of the CRT monitor.
Troubleshooting T-3