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

Page 47

‹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

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Contents Personal Computer Model No. CF-W4 Series Copyright Disclaimer Trademarks IntroductionFor U.S.A Read Me FirstIndustry Canada IC Notice for modem Read Me FirstFor Canada Industry Canada DVD-ROM & CD-R/RW Drive Caution Lithium BatteryCompliance Notice CE Mark For EuropeDeclaration of Conformity DoC ‹Handling Precautions‹Usage Do not pull or insert the DC plug if your hands are wet Clean the DC plug of dust and other debris regularlyHold the plug when unplugging the AC cord Do not turn the volume up to loud when using headphonesPrecautions Battery Pack About Notations Usage Precautions / About NotationsUsage Precautions ‹When closing the disk coverHow to Use the Onscreen Manual How to Use this ManualManual Types and Contents Names and Functions of Parts Names and Functions of Parts Indicators Indicator Name/Status Confirm the Status Using the LEDsRead the Limited USE License Agreement Î Turn the computer over and insert the battery packFirst-time Operation Confirm the inclusion of all partsHandling the AC adaptor Connect your computer to a power outletOpen the display Turn your computer onFirst-time Operation Setup WindowsCreate User Accounts to recognize this computers user About the Icon Enlarger ‹This concludes the first-time use operation guidelinesScreen Display Password Reset FunctionRoles of Icons on the Notification Area Select your application Starting Up/Shutting DownStarting Up Log-on to WindowsStarting Up/Shutting Down Shutting Down power off your computer‹To shut down using the keyboard ‹When you leave the computer or interrupt your work‹When the cursor doesn’t move the way you want it to Using the Touch PadUsing the Fn Key ‹Inserting Power off your computer. ÎExpanding Memory Inserting / Removing the RAM Module‹Removing Put the cover and battery pack back in placeExpanding Memory Running the Setup Utility Setup UtilityKey Operations Setup UtilityHow to use the screen Main Menu Information MenuSecurity Menu Advanced MenuBoot Menu Exit Menu Boot MenuHandling Usage/Handling/MaintenanceMaintenance Usage EnvironmentUsage/Handling/Maintenance To enable IEEE802.11a Turning on/off the Wireless LAN PowerEnable/Disable Wireless LAN Standard IEEE802.11a Change the Way Users Log on or off ‹Use Fast User SwitchingWindows/Antivirus Protection WindowsIf the message Your computer might be at risk is displayed Security Center/Antivirus ProtectionWindows Security Center Computer Viruses Windows UpdateWindows/Antivirus Protection Pop-up Blocker‹Internal DVD-ROM & CD-R/RW drive connection inter- face Using CD/DVD‹Before using the drive ‹While the DVD-ROM & CD-R/RW drive is being accessedTo Protect Data When Using Peripheral DevicesWhen Changing Hard Disk Partitions Internal Hard DiskList of Error Codes Troubleshooting Dealing with Problems SummaryMay not cause the processing speed to increase ‹Problems with Passwords and Messages Dealing with Problems SummaryEnter Space Esc ‹Problems with DisplayShift Esc ‹Problems with Operation during Use‹Problems with Expanding Memory ‹Problems with Battery‹Problems with Onscreen Reference Manual ‹Reinstalling B’s Recorder/B’s CLiPBefore Reinstallation Reinstalling SoftwareConnect the AC adaptor ReinstallingChange the settings in the Setup Utility Reinstalling Software ‹Changing the drive letter Return the Setup Utility settings to their default valuesIf you can connect to the Internet, perform Windows Update About Intel software products Limited USE License AgreementTermes, clauses et conditions Contrat de licence dusage limitéLicense ‹Precautions Hard Disk Backup FunctionBefore Using a Hard Disk Backup Function Create a Backup Area Backing Up and Restoring Data Hard Disk Backup FunctionTo disable the hard disk backup function ‹Confirm the followings When Disposing of This ComputerHard Disk Data Erase Utility Before Erasing Data ‹PreparingImportant Information Main Specifications SpecificationsPre-installed Software*24 Specifications Index Memo Page SS0905-0
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