Panasonic CF-27 Series Toughbook Reference Manual page 57

Dealing With Problems
Battery Indicator
The red indicator lights.
Repeated beeping sound
while the computer is in
use.
The red indicator blinks
After the AC adapter is
connected, the orange in-
dicator blinks five times
Display
Unable to connect an ex-
ternal display
No display after power-
ing on
The power has not been
turned off, but after a cer-
tain period of time, there
is no display
The resolution of the dis-
play cannot be changed
An afterimage
appears(i.e., green, red,
and blue dots remain on
the display) or there are
dots not displaying the
correct colors.
The motion of the
mouse cursor is not
Windows 95
smooth
The cursor does not
move in scrolling area of
the touch pad
Windows 95
The cursor cannot be
controlled
During simultaneous dis-
play, the screen of the
external display be-
comes disordered
The battery level is low. Save your data and power off your computer.
After connecting the AC adapter or replacing the battery pack with a fully charged
one, turn your computer on.
The battery pack or recharging function may be defective. Quickly remove the
battery pack and disconnect the AC adapter, then connect them again.
If the problem persists, contact Panasonic Technical Support.
Unable to charge because of an improper temperature range. (
tions")
The optional port replicator or the external display port adapter is required.
( ,
page 35 page 37
At the time of purchase, the display setting is preset for an external display. If you
connect 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
When displaying only through an external display, if the computer is shut down by
using the suspend or hibernation function, there will be no display on the LCD
unless the external display is connected when operations are resumed. In this
case, connect the external display.
Has the computer been set to the power-saving mode?
To resume operation of your computer from ECO mode, press any key.
To save power, your computer may have automatically entered the suspend or
hibernation mode. (
Set [None] for [Wallpaper] in [Start] - [Settings] - [Control Panel] - [Display] - [Back-
ground], and then press [OK]. Then, once again try changing the resolution. After
the change, be sure to restart the computer.
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 functioning properly), no defect is considered to exist.
Select [Start] - [Settings] - [Control Panel] - [Mouse] - [Motion] and add the check
mark for [Show trails].
When the Microsoft ® IntelliMouse
touch pad, only scroll operations are possible for the right part or bottom part of the
touch pad. In this case, cursor operations are possible by using the work surface
excluding the right part or bottom part. When no mode is set, the entire surface of
the touch pad can be used for cursor operations.
Restart the computer by using the keyboard (e.g.,
Try changing the display by pressing
)
Fn + F3 .
)
page 22
TM wheel mode or the original mode is set for the
Fn + F3 .
"Precau-
).
57