Panasonic CF-48 Series - Manual (Page 22)

Dealing with Probiems (Summary)
Starting Up (continued)
When the previous item is
not the cause
PressC F9 ) in the Setup Utility ( q =* “Setup Utility”). This will restore the Setup
Utility’s settings to their default values (except the password settings).
Try removing all peripheral deviees.
Check a disk error using the following procedure.
1 Select [Local Disk(C:)] with the right button in [My Computer], and select [Properties].
2 Select [Tools] - [Check Now].
3 Select [Start] after selecting required items in [Check disk options],
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 start-up, press C F8 ) to operate the computer in the Safe mode.
Display
No display after powering on • 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.
• Trv chaneine the disolav bv Dressing ( Fn )+( F3 ).
• 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.
• 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 are resumed. In this case, connect the external
display or press C Fn З+ГРЗ ).
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
t Ctrl ).
• To save power, your computer may have automatically entered the standby or hiberna­
tion mode. (Q= “Computing On the Road”) Press the power switch.
When the battery pack is
used, the screen is darker
than when the AC adaptor
is connected 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 coimected and when it is
disconnected.
The cursor cannot be con­
trolled properly • If you are using an external mouse, ensure that the external mouse has been connected
correctly.
• Restart the computer by using the keyboard (Press ), C U ) , and select [Restart] with
(3 (3
© ©’ CEnter) ).
•
iTthe computer does not respond to keyboard commands, read “Computer hangs”
page 24).
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 screen becomes disor­
dered
Changing the number of colors of the display may affect the screen. Restart the computer.
• When using Dualview, use the same display colors for the external display as those used
by the LCD.
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