Panasonic CF-28 Series - Battery Indicator; Application Software

# Battery Indicator
The red indicator lights.
Repeated beeping sound
while the computer is in use.
The battery level is low. Save your data and power off your computer.
After connecting the AC adaptor or replacing the battery pack with a fully charged one, turn
your computer on.
The red indicator blinks
• The battery pack or recharging function may be defective. Quickly remove the battery
pack and disconnect the AC adaptor, then connect them again.
• If the problem persists, contact Panasonic Technical Support.
The orange indicator blinks Unable to charge because of an improper temperature range. (page 6)
# Application Software
Computer hangs • Press ( Ctrl ) + C Alt) + ( Del )and select TShut Downl.
• After shutting down by rotating the power switch for more than four seconds, rotate the
power switch to power on and open the application again.
If the program no longer works normally, go to [Start] - [Settings] - [Control Panel] -
[Add/Remove Programs] to delete the program. Then, reinstall the program.
lliWinciowsl98li^^^^^^^l In Dual-Display mode, if an attempt is made to start up the Windows Media’’’^’ Player by
double-clicking an MPEG file on the external display (external display [2]), an error may
occur. If you want to play an MPEG file with the Windows Media’’’-'* Player, start up the
Windows Media^'* Player on the internal LCD (internal LCD [1]).
The Windows Media^'*
Player does not start up
# Display
No display after powering
on
• At the time of purchase, the display setting is preset for an external display. If you con¬
nect an external display, the screen is displayed on the external display.
• When there is no display to an external display,
• Check your cable connection to the external display.
• Confirm your display is powered on.
• Check the settings for your external display.
• Try changing the display by pressing ( Fn ) -t- C FS ) .
t ) This combination does not work when the computer i.s in the Diial-Dis-
play Mode.
• When displaying only through an external display, if the computer is shut down by using
the standby or hibernation function, there will be no display on the LCD unless the exter¬
nal display is connected when operations arc resumed. In this case, connect the external
display or press (. Fn j + Q F3 ) .
The power has not been
turned off, but after a cer¬
tain period of time, there is
no display
• Has the computer been set to the power-saving mode?
To resume operation of your computer from the condition the power of the display is off
(for energy conservation purposes), press any key unrelated to the direct triggering of a
selection, like C Ctrl ).
• To save power, your computer may have automatically entered the standby or hiberna¬
tion mode, ((j’ “Computing On the Road”) Rotate the power switch.
The cursor cannot be con¬
trolled
Restart the computer by using the keyboard (e.g., [ ip} ] ).
An afterimage appears (e.g.,
green, red, and blue dots
remain on the display) or
there are dots not display¬
ing the correct colors
• If an image is displayed for a prolonged period of time, an afterimage may appear. This
is not a malfunction. The afterimage will disappear when a different screen is displayed.
• High-precision and advanced technologies are necessary in the production of color liquid
crystal displays (color LCDs). Therefore, if 0.002% or less of the picture elements either
fail to light or remain constantly lit (that is, more than 99.998% of elements are function¬
ing properly), no defect is considered to exist.
The external display no
longer displays properly
When an external display not compatible with the power saving mode is used with the
computer, the external display may no longer display properly when the computer enters the
condition the power of the display is off (for energy conservation purposes). In such cases,
turn off the power to the external display.
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Troubleshooting