Panasonic CF-53 series Operating Instructions Manual page 30

Troubleshooting (Basic)
„ Display
The screen is dark.
The screen is disordered.
During Simultaneous display,
one of the screens becomes
disordered.
The external display does
not work normally.
„ Touch Pad / Touchscreen (only for model with touchscreen)
The cursor does not work.
Cannot input using the touch
pad.
<Only for model with touch
screen>
Cannot input using the
touchscreen.
Cannot point the correct posi-
tion using the included stylus.
<Only for model with touch-
screen>
"Charm" does not always ap-
pear by fi nger operation.
„ On-screen Document
The document of PDF for-
mat is not displayed.
30
l The screen is darker when the AC adaptor is not connected. Press
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.
l Press Fn + F8 to turn off the concealed mode.
l Changing the number of display colors and resolution may affect the screen. Restart the
computer.
l Connecting/disconnecting an external display may affect the screen. Restart the com-
puter.
l Resuming from sleep or hibernation may affect the screen of the external display.
Restart the computer.
l When using the Extended Desktop, use the same display colors for the external display
as those used by the LCD.
l Simultaneous display cannot be used until Windows startup is complete (during Setup
Utility, etc.).
l 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.
l When using the external mouse, connect it correctly.
l Restart the computer using the keyboard.
l If the computer does not respond to keyboard commands, read "No response"
(è page 31).
l Set [Touch Pad] to [Enabled] in the [Main] menu of the Setup Utility.
l The drivers for some mice may disable the touch pad. Check your mouse's operating
instructions.
l Set [Touchscreen Mode] to [Auto] or [Tablet] in the [Main] menu of the Setup Utility.
l Set [Touchscreen] to [Enabled] in the [Advanced] menu of the Setup Utility.
l Perform the touchscreen calibration (è
tion").
l Flick toward the center of the screen from the right edge.
l Use the included pen.
l Install Adobe Reader.
A Log on to Windows as an administrator.
B Click (Start) and input "c:\util\reader\en\Pinstall.bat" in [Search programs and
fi les] then press Enter .
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...].
Fn + F2 and adjust
Reference Manual "Screen Input Opera-