Panasonic CF-28 Series ユーザーズマニュアル
T
roubleshooting
22
No display after powering
on
on
The power has not been
turned off, but after a cer-
tain period of time, there is
no display
turned off, but after a cer-
tain period of time, there is
no display
The cursor cannot be con-
trolled
trolled
An afterimage appears (e.g.,
green, red, and blue dots
remain on the display) or
there are dots not display-
ing the correct colors
green, red, and blue dots
remain on the display) or
there are dots not display-
ing the correct colors
The external display no
longer displays properly
longer displays properly
The screen becomes disor-
dered
dered
During simultaneous dis-
play, the screen of the exter-
nal display becomes disor-
dered
play, the screen of the exter-
nal display becomes disor-
dered
When the setting of the
screensaver is changed, an
error may occur during a
resume operation
screensaver is changed, an
error may occur during a
resume operation
The screen does not fill up
the entire display (i.e., the
screen is shown in the cen-
ter of the display)
the entire display (i.e., the
screen is shown in the cen-
ter of the display)
Dealing with Problems (Summary)
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.
• 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 (includ-
ing the standby or hibernation function), there will be no display on the LCD unless the
external display is connected when the computer is powered on or operations are re-
sumed. In this case, connect the external display or press Fn + F3 .
When displaying only through an external display, if the computer is shut down (includ-
ing the standby or hibernation function), there will be no display on the LCD unless the
external display is connected when the computer is powered on or operations are re-
sumed. In this case, connect the external display or press Fn + F3 .
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 Shift .
To save power, your computer may have automatically entered either the standby or
hibernation 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 Shift .
To save power, your computer may have automatically entered either the standby or
hibernation mode. (
“Computing on the Road”) Rotate the power switch.
Restart the computer by using the keyboard (e.g.,
).
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.
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.
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.
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.
Changing the number of colors of the display may affect the screen. Restart the computer.
Try changing the display by pressing Fn + F3 .
If you continue to experience problems, try changing the display in the following menu.
If you continue to experience problems, try changing the display in the following menu.
Windows 2000
: [Start] - [Settings] - [Control Panel] - [Intel
®
Graphics Technology].
Windows XP
: [Start] -[Control Panel] - [Appearance and Themes] - [Display] - [Set-
tings] - [Advanced] - [Intel
®
Graphics Technology].
When the computer enters the standby or hibernation 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.
ning, an error may occur during a resume operation. In such cases, turn off the screensaver
or try changing the pattern of the screensaver.
If the resolution is set to less than the resolution of the internal LCD and the screen is set to
simultaneous display, the screen will not fill up the entire display. Also, if the screen is set
to Extended Desktop, the screen may not fill up the entire display.
simultaneous display, the screen will not fill up the entire display. Also, if the screen is set
to Extended Desktop, the screen may not fill up the entire display.
Display