Fujitsu N6460 manual Troubleshooting the Wlan, Unavailable, Network, Connection

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W I r e l e s s L A N U s e r ’ s G u i d e

Troubleshooting the WLAN

TROUBLESHOOTING TABLE

Causes and countermeasures for troubles you may encounter while using your wireless LAN are described in the following table.

Problem

Possible Cause

Possible Solution

 

 

 

 

 

 

Unavailable

Incorrect network

Ad hoc connection: verify that the network names (SSID’s) and network

network

name (SSID) or

keys (WEP) of all computers to be connected have been configured

connection

network key

correctly. SSID’s and WEP key values must be identical on each machine.

 

 

Access Point (Infrastructure) connection: set the network name (SSID)

 

 

and network key to the same values as those of the access point.

 

 

Set the Network Authentication value identically to that of the Access

 

 

Point. Please consult your network administrator for this value, if

 

 

necessary.

 

 

 

 

Weak received signal

Ad hoc connection: Retry connection after shortening the distance to

 

strength and/or link

the destination computer or removing any obstacles for better sight.

 

quality

Access Point (Infrastructure) connection: Retry connection after short-

 

 

 

 

ening the distance to the access point or removing any obstacles for

 

 

better sight.

 

 

 

 

The WLAN device

Check if the wireless switch is turned ON. Also verify “Disable Radio” is

 

has been deactivated

not checked in “Network setting” window.

 

or disabled

 

 

 

 

 

The computer to be

Check if the computer to be connected is turned ON.

 

connected is turned

 

 

off

 

 

 

 

 

RF interference from

The use of identical or overlapping RF channels can cause interference

 

Access Points or

with the operation of the WLAN device. Change the channel of your

 

other wireless

Access Point to a channel that does not overlap with the interfering

 

networks

device.

 

 

 

 

Wireless network

Re-check your Network Authentication, Encryption, and Security

 

authentication has

settings. Incorrectly configured security settings such as an incorrectly

 

failed

typed WEP key, a misconfigured LEAP username, or an incorrectly

 

 

chosen authentication method will cause the LAN device to associate

 

 

but not authenticate to the wireless network.

 

 

 

 

Incorrectly

Recheck the configuration of your network settings.

 

configured network

 

 

settings

 

 

 

 

 

Incorrect IP address

This only applies to networks using static IP addresses. Please contact

 

configuration

your network administrator for the correct settings.

 

 

 

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Contents User’s Guide Page Declaration of Conformity Copyright and Trademark InformationFor Authorized Repair Technicians Only System Disposal Important Safety InstructionsRecycling Your Battery AC adapter output polarityTable of Contents Care and Maintenance Index F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e Preface F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e Fujitsu Contact Information WarrantyPreface About this GuideF e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e Getting to Know F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e Unpacking OverviewTOP and Front Components Locating the Controls and ConnectorsApplication/Media Player Buttons Power/Suspend/Resume ButtonVolume Control Wireless LAN SwitchOptical Drive Eject Button DC Power JackLEFT-SIDE Panel Components Optical DriveRIGHT-SIDE Panel Components Rear Panel Components Video Out Port Air Flow VentsSubwoofer Lithium ion Battery BayBottom Components Memory Compartment CoverStatus Indicator Panel Windows Keys Using the KeyboardKeyboard Numeric KeypadIcon Keys Description Function KeysVolume Control Controlling the VolumeMethods to Control Volume DOUBLE-CLICKING ClickingTouchpad Control Adjustment DraggingScrolling Mode Button Configuring Your Application PanelApplication Launch Media Player Buttons Using the Media Player Buttons Using the Visual OptimizerTo configure your LifeBook Application Panel Getting Started F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e Switching from AC Adapter Power to Battery Power Power SourcesConnecting the AC Adapter Connecting the AC AdapterOpening the Display Panel Adjusting Display Panel BrightnessUsing the Keyboard to Change Display Brightness Display PanelBios Setup Utility Power onBoot Sequence Hard Disk Drive PasswordsBios Guide Booting the SystemEntering the Bios Setup Utility Using the TrustedCore MenuInstalling Click ME Fujitsu Driver Update UtilityRegistering Your Lifebook Notebook Power Management Power and SUSPEND/RESUME ButtonSleep Mode Enable or Disable the Hibernation Feature Hibernation SAVE-TO-DISK FeatureWindows Power Management Power OFFF e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e User-Installable Features F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e Inserting Memory STICK/SD/XD Cards Memory Stick/Secure Digital/xD Card SlotRemoving Memory STICK/SD/XD Cards Lithium ion Battery Low Battery StateRecharging the Batteries Shorted Batteries Replacing the BatteryRemoving Media Optical DriveOptical Drive Software Loading MediaPlaying Media on the Optical Drive Using the Optical Player SoftwareUsing the Drive on Battery Power Emergency Optical Drive Tray ReleaseAuto Insert Notification Function To Watch a Movie on Battery PowerFormatting the Hard Disk Drive Hard Disk DriveRemoving PC Cards Installing PC CardsRemoving Expresscards Installing ExpresscardsInstalling a Memory Module Memory Upgrade ModuleEnabling Windows ReadyBoost Removing a Memory Upgrade ModuleChecking the Memory Capacity ENABLING/DISABLING Turbo MemoryIeee 1394 Jack Device PortsCommunications Ports LAN PortHEADPHONE/SPDIF Jack Universal Serial BUS USB 2.0 PortsVideo OUT Port Microphone Jack20. External Video Connection External Video PortF e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e Troubleshooting F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e Identifying the Problem TroubleshootingSpecific Problems Troubleshooting TableUsing the Troubleshooting Table Keyboard or Mouse Problems Hard Drive ProblemsPC Card Problems Memory ProblemsModem Problems USB Device ProblemsPanel page 15 for more information If a battery is Power FailuresUtility page 27 for more information Shutdown and Startup ProblemsTest Messages page 61 for more information Video Problems49 for more information Miscellaneous ProblemsPower on Self Test Messages Modem Result Codes Changing priority from Boot Menu Restoring Your Pre-installed SoftwareRe-Installing Individual Drivers and Applications Boot Priority ChangeRestoring the backup image Automatically Downloading Driver UpdatesCare and Maintenance F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e Lifebook Notebook Care and MaintenanceFloppy Disks and Drives BatteriesPC CARDS/EXPRESSCARDS Caring for your Media DriveCaring for your Cards F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e System Specifications F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e Specifications Device Ports FeaturesPower DimensionsLearning about Your Software Popular Accessories PRE-INSTALLED SoftwareOffice Microsoft Small Business Edition Operating System OptionsMicrosoft Works Microsoft Office Home and Student EditionGlossary F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e Glossary Floppy Disk Lithium ion BatteryDriver Extended MemoryModem ResetMemory MHzStereo audio Status IndicatorSerial Port Smart CardFCC Notices Regulatory InformationAvis Aux Utilisateurs Du Réseau Téléphonique Canadien Appendix a F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e FCC Regulatory Information Wireless LAN Modes Using this Device Before Using the Wireless LANActivating the Wlan Device How to Handle This DeviceDeactivation using the Wireless On/Off Switch Deactivating the Wlan DeviceConnecting to a Network Configuring the WlanConnection Troubleshooting the WlanUnavailable NetworkGlossary Wireless LAN GlossaryTCP/IP Transmission Control Protocol/Internet Ssid Service Set IdentifierWi-Fi Subnet maskAbout IP Addresses IP address informationSpecifications Wlan SpecificationsF e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e Appendix B F e B o o k N 6 4 0 0 N o t e b o o k a p p e n d i x B Getting Started Installing OmnipassInstalling the OmniPass Application Introducing the Fingerprint Sensor DeviceVerifying Information about OmniPass Uninstalling OmniPassMaster Password Concept User EnrollmentRemembering a Password Using OmnipassPassword Replacement OmniPass Authentication ToolbarLogging in to a Remembered Site Password ManagementExporting and Importing Users Configuring OmnipassIdentities and Password Management OmniPass User IdentitiesThings to Know Regarding Import/Export Omnipass Control CenterExporting an OmniPass User Profile Importing an OmniPass User ProfileTroubleshooting User SettingsSystem Settings F e B o o k N 6 4 0 0 N o t e b o o k a p p e n d i x B 106 Index F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e 108 Index Headphone Jack Hibernation Feature Wireless LAN Switch XD Card Installing Removing F e B o o k N 6 4 0 0 S e r i e s U s e r ’ s G u i d e 112