24
Troubleshooting (Basic)
Getting StartedUseful InformationTroubleshootingAppendix
Display
No display. zThe 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.
zWhen using an external display,
• Check the cable connection.
• Turn on the display.
• Check the settings of external display.
zThe 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
.
zThe computer entered
sleep
or hibernation by the power-saving function. To
resume, press the power switch.
The screen is dark. z
The screen is darker when the AC adaptor is not connected. Press
Fn
+
F2
and adjust
the brightness. As you increase the brightness, battery consumption increases.
You can separately set the brightness for when the AC adaptor is connected and
when not connected.
zPress
Fn
+
F8
to turn off the concealed mode.
The screen is disordered. zChanging the number of display colors and resolution may affect the screen. Restart
the computer.
zConnecting/disconnecting an external display may affect the screen. Restart the
computer.
zResuming from
sleep
or hibernation may affect the screen of the external display.
Restart the computer.
During Simultaneous dis-
play, one of the screens
becomes disordered.
zWhen using the Extended Desktop, use the same display colors for the external dis-
play as those used by the LCD.
If you continue to experience problems, try changing the display.
Right-click on the desktop, and click [Graphics Properties...] - [Display].
zSimultaneous display cannot be used until Windows startup is complete (during
Setup Utility, etc.).
The external display does
not work normally.
z
If the external display does not support the power saving function, it may not work nor-
mally when the computer enters the power saving mode. Turn off the external display.
Touch Pad / Touchscreen (only for model with touchscreen)
The cursor does not work. zWhen using the external mouse, connect it correctly.
zRestart the computer using the keyboard.
Press and press Î twice, and press Ï to select [Restart] and press
Enter
.
zIf the computer does not respond to keyboard commands, read “No response”
(Îpage 25).
Cannot input using the
touch pad.
zSet [Touch Pad] to [Enabled] in the [Main] menu of the Setup Utility.
zThe drivers for some mice may disable the touch pad. Check your mouse’s operat-
ing instructions.
<Only for model with
touchscreen>
Cannot input using the
touchscreen.
zSet [Touchscreen Mode] to [Auto] or [Tablet] in the [Main] menu of the Setup Utility.
Cannot point the correct
position using the included
stylus.
zPerform the touchscreen calibration (Îpage 15).
DFQW5645ZAT_CF-53mk2_7_OI_M.book 24 ページ 2012年5月8日 火曜日 午後6時11分