Troubleshooting
31
■
Display
When the screen becomes
black for a moment.
●
When you set [Display power saving function] of Power Plan
Extension Utility to [Enabled], if you do the following operations,
the screen becomes black for a moment, but this is not a
malfunction. You can use it.
•
Adjust the brightness of the screen with
Fn
+
F1
/
Fn
+
F2
.
•
Remove and insert the AC adaptor.
While you are using motion video playback software, benchmark
software for graphic, if error screen is displayed or application
software does not function normally, set [Display power saving
function] to [Disabled].
No display.
●
The external display is selected. Press
Fn
+
F3
( or +
P
) to
switch the display.
Wait until the display has been switched completely before
pressing
Fn
+
F3
(or +
P
) again.
Then click the display mode.
●
The display is turned off by the power-saving function. To resume,
do not press the direct selection keys, but press any other key like
Ctrl
.
●
The computer entered sleep or hibernation by the power-saving
function. To resume, slide the power switch.
●
The screen may become darker. Press
Fn
+
F2
to make the
screen brighter.
The screen is disordered.
●
Changing the number of display colors and resolution may affect
the screen. Restart the computer.
●
The refresh rate of the internal LCD may be 40
Hz
. Change the
refresh rate of the internal LCD.
1. Click the [Desktop] tile on the Start screen.
2. Right-click on the desktop, and click [Graphics Properties].
Right-click on the desktop, and click [Graphics Properties].
Click [Display].
If [Refresh Rate] for the Notebook is [40 Hz], change to [60 Hz]
and click [Apply].
Follow the on-screen instructions.
The external display does
not work normally.
●
If the external display does not support the power saving function,
it may not work normally when the computer enters the power
saving mode. Turn off the external display.
■
Battery
The battery indicator lights
red.
●
The battery level is very low (the charge is approx. 9 % or less).
●
Connect the AC adaptor. You can use the computer when the
indicator light is orange. If you do not have an AC adaptor, save
your data and power off your computer. After replacing the battery
pack with a fully charged one, turn your computer on again.