22
Troubleshooting
Troubleshooting (Basic)
n
Starting Up
Other startup prob-
lems.
l
Remove all peripheral devices.
n
Shutting down
Computer does not
shut down.
l
Remove the peripheral devices.
l
Wait one or two minutes. It is not a malfunction.
l
Press and hold
(Power switch) for 10 seconds or longer
to turn the computer off forcibly.
n
Display
No display.
l
The computer entered sleep mode by the power-saving
function. To resume, press the power switch.
The screen is dark.
l
If the brightness setting of this computer is set to automatic
brightness mode, the screen brightness automatically
changes depending on the ambient brightness.
Disable automatic brightness mode and change the bright-
ness of the screen.
There are red,
green, or blue dots
on the screen, or
there is uneven-
ness in colors and
brightness on the
screen.
The following are not malfunctions.
l
Although advanced high-precision technologies are used in
the production of color LCD screens, 0.002% or less of the
picture elements may be dark or remain constantly lit (more
than 99.998% of elements function properly).
l
Due to the natural characteristics of LCD screens, you may
notice unevenness in colors and brightness depending on
your angle of view. Hues may also vary by product.
n
Screen Input Operation
The pointer does
not work.
l
When using the external mouse, connect it correctly.
Cannot operate the
touchscreen.
l
Press
(Power switch) to enter to sleep mode, then press
(Power switch) to wake up.
n
Battery Status Indicator
Blinking orange.
l
The battery cannot be charged temporarily. Remove the AC
adaptor, then connect it again.
Lighting red.
l
The remaining battery charge is approximately 5 % or less.
Charge the battery pack.
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