Panasonic CF-73 Series Reference Manual page 64

Dealing with Problems (Advanced)
●
Starting Up (continued)
When the previous item is not
the cause
●
Display
No display after powering on
The power has not been turned
off, but after a certain period of
time, there is no display
When the battery pack is used,
the screen is darker than when
the AC adaptor is connected
The cursor cannot be con-
trolled properly
An afterimage appears (e.g.,
green, red, and blue
remain on the display) or there
are dots not displaying the cor-
rect colors properly
● Press F9 in the Setup Utility (
tings to their default values (except the password settings).
●
Try removing all peripheral devices.
●
Check a disk error using the following procedure.
Windows 2000
1
Select [Local Disk(C:)] with the right button in [Start] - [My Computer], and
select [Properties].
2
Select [Tools] - [Check Now].
3
Select [Start] after selecting required items in [Check disk options].
Windows XP
1
Select [Local Disk(C:)] with the right button in [Start] - [My Computer], and
select [Properties].
2
Select [Tools] - [Check Now].
3
Select [Start] after selecting required items in [Check disk options].
●
At startup, hold down F8 when [Panasonic] screen disappears, and release your
finger when the Windows Advanced Option Menu is displayed. Start the computer
in Safe Mode, and confirm the details of the error.
●
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 switching the display destination by pressing 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 trigger-
ing of a selection, like Ctrl .
●
To save power, your computer may have automatically entered the standby mode
(power indicator blinks green) or hibernation mode (power indicator turns off).
In such cases, press the power switch.
●
If you want to switch the display destination repeatedly by pressing Fn + F3 , make
sure that the display destination has switched completely each time before pressing
Fn + F3 again.
● Press Fn + F2 and adjust the brightness. Note, however, that when the brightness
is increased, the battery running time will become shorter.
Brightness can be set to separate levels for when the AC adaptor is connected and
when it is disconnected.
●
If you are using an external mouse, ensure that the external mouse has been con-
nected correctly.
●
Restart the computer by using the keyboard (Press
, then press Enter .
●
If the computer does not respond to keyboard commands, read "Computer hangs"
⇒ page
( 70).
●
If an image is displayed for a prolonged period of time, an afterimage may appear.
dots
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 ele-
ments either fail to light or remain constantly lit (that is, more than 99.998% of ele-
ments are functioning properly), no defect is considered to exist.
⇒ page
52). This will restore the Setup Utility's set-
, U , and select [Restart] with
64