24
Troubleshooting (Basic)
Getting Started
Usef
ul Inform
ation
Troubleshooting
Appendix
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.
z
Press
Fn
+
F8
to turn off the concealed mode.
The screen is disordered.
z
Changing the number of display colors and resolution may affect the screen. Restart
the computer.
z
Connecting/disconnecting an external display may affect the screen. Restart the
computer.
z
Resuming from sleep (
) /standby (
) or hibernation may
affect the screen of the external display. Restart the computer.
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
The cursor does not work.
z
When using the external mouse, connect it correctly.
z
Restart the computer using the keyboard.
Press
and press
Î
twice, and press
Ï
to select [Restart] and press
Enter
.
Press ,
U
, and
R
to select [Restart].
z
If the computer does not respond to keyboard commands, read “No response”
(
Î
page 25).
Cannot input using the
touch pad.
z
Set [Touch Pad] to [Enabled] in the [Main] menu of the Setup Utility.
z
The drivers for some mice may disable the touch pad. Check your mouse’s operat-
ing instructions.
On-screen Document
The document of PDF for-
mat is not displayed.
z
Install Adobe Reader.
A
Log on to Windows as an administrator.
B
Click
(Start) and input “c:\util\reader\setup.exe” in [Search programs and files]
then press
Enter
.
Click [start] - [Run], input [c:\util\reader\setup.exe], then click [OK].
C
Update Adobe Reader to its latest version.
If your computer is connected to the internet, start up Adobe Reader and click
[Help] - [Check for Updates...].
CD/DVD Drive
The tray does not come out
although inserting a pointed
object to the emergency
hole.
z
A pin of 1.3
mm
in diameter is recommended to
remove a disc using the emergency hole (A). When
the diameter of the pin is smaller than this, insert the
pin slightly downward.
Display
A
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