24
T
roubleshooting
Dealing With Problems
No display after powering
on
The power has not been cut,
but after a certain period of
time, there is no display
The resolution of the display
cannot be changed
An afterimage appears(i.e.,
green, red, and blue dots re-
main on the display) or
there are dots not display-
ing the correct colors
The motion of the mouse
cursor is not smooth
Windows 95
The cursor does not move in
scrolling area of the touch
pad
Windows 95
The cursor cannot be con-
trolled
During simultaneous dis-
play, the screen of the ex-
ternal display becomes dis-
ordered
When the screensaver is set,
an error will occur during
a resume operation.
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
Fn
+
F3
.
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 exter-
nal 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 hiberna-
tion mode. (
"Computing On The Road")
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 function-
ing 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
TM
Wheel mode or the original mode is set for the 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. (
"Touch Pad (Advanced)" )
Restart the computer by using the keyboard (e.g.,
).
Try changing the display by pressing
Fn
+
F3
.
When the computer automatically enters the suspend mode while the screensaver is run-
ning, an error may occur during a resume operation. In such cases, turn off the screensaver
or try changing the pattern of the screensaver.
Display
Application Software
The optional port replicator or the external display port adapter is required for use with an
external display.
(
"Port Replicator", "Using an External Display")
Unable to connect an
external display
Computer hangs
Press
Ctrl
+
Alt
+
Del
to reboot the computer.
After powering down by pressing the power switch for more than four seconds, slide
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, try installing the program once
again.
Содержание CF-27LBAGHEM - Toughbook 27 - PIII 500 MHz
Страница 33: ...33 Appendix MEMO ...
