Panasonic CF-W4 Series manual ‹Problems with Display, Enter Space Esc

‹Problems with Display

Screen is too dark or becomes

z Press the

Fn

+

F2

key. This makes the screen lighter.

darker

z If the screen becomes darker after disconnecting the AC adaptor:

The computer has different set brightness levels for when the AC adaptor is

connected and for when it is not connected. If you press the

Fn

+F2 key to

increase the brightness when the AC adaptor is not connected, this bright-

ness is maintained, and determines the brightness next time the AC adap-

tor is disconnected.

(Making the display brighter shortens the battery operating time.)

An afterimage appears (e.g., the key

z If an image is displayed for a prolonged period of time, an afterimage may

green, red, and blue dots remain on

appear. This is not a malfunction. The afterimage will disappear when a dif-

the display) or there are dots not dis-

ferent screen is displayed.

playing the correct colors

z High-precision and advanced technologies are used in the production of

color liquid crystal displays (color LCDs). Therefore, if 0.002% or less of the

picture’s elements either fail to light or remain constantly lit (that means that

more than 99.998% of the elements are functioning properly), this is not

considered a defect.

Nothing is displayed on the screen

z Check if the power-saving mode is active.

•

If the power indicator is lit:

The display is turned off. Press a key with no independent effect, such as

the Ctrl key or the Shift key.

Do not use a key that may make a selection (

Enter

,

Space

,

Esc

,

Y

,

N, numeric keys, and so on).

•

If the power indicator is blinking or is not lit:

The standby mode or hibernation mode is entered. Slide the power

switch.

z The display destination may be set to the external display.

Try changing the display destination by pressing the Fn+

F3

key.

If you want to switch the display destination repeatedly by pressing the

Fn+F3 key, make sure that the display destination has switched com-

pletely each time before pressing the Fn+F3 key again.

z The screen may become darker. Press the Fn+F2 key to make the screen

brighter.

There is an afterimage

z Display a different screen.

If the same screen is displayed for a long time, this may leave an afterim-

age.

The screen becomes disordered

z The screen display may become distorted if the resolution or number of col-

ors is changed, or if an external display is connected or disconnected while

the computer is operating. Restart the computer.

Switching between internal and

z The display destination cannot be switched while a video such as an MPEG

external displays does not work

file and a DVD video are playing. Stop playing the video before switching

the display destination.

A blue background appears on the

z Did you open the DVD-ROM & CD-R/RW drive or remove the disk while it

screen with the MPEG image or

was operating?

DVD Video

Insert the removed disk, and close the disk cover.

The LCD brightness changes a few

z If [Intel(R) Display Power Saving Technology] is active, the LCD brightness

times when the AC adaptor is dis-

changes automatically. (Î "Computing on the Road" in onscreen Refer-

connected

ence Manual).

Image colors are not reproduced as

z We recommend removing the checkmark from [Intel(R) Display Power Sav-

expected when displaying photo-

ing Technology]. (Î "Computing on the Road" in onscreen Reference Man-

graphs or other images

ual).

Troubleshooting

47