HP 320399-002 manual Wireless LAN Wlan Device Problems

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Problems and Solutions

Wireless LAN (WLAN) Device Problems

See also the “Internet Problems” section.

Notebook cannot connect to wireless network

Verify that the wireless device is turned on. On most models, a light turns on or changes color when the device is turned on. For more information about turning a wireless LAN device on and off and about using the wireless LAN device indicator on your notebook, refer to your model-specific documentation.

Verify that the antenna(s) are free from obstructions. For information about the number and location of antennas on your notebook refer to your model-specific documentation.

Verify that you are within optimal range of an access point (for an infrastructure connection) or another wireless-equipped computer (for an ad hoc connection).

Use the Device Manager utility in your operating system to verify that the correct wireless LAN device driver is loaded and functioning properly.

Verify that you are using the correct SSID.

Verify that the wireless encryption settings are correct.

If you are trying to connect to an ad hoc network, ensure that the channel settings are correct.

Consider that wireless LAN performance may be affected by the following factors:

Type and thickness of building construction materials (brick, steel, concrete, glass, etc.)

Nearby electronic and communications equipment and HVAC system.

2–40

Troubleshooting

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Contents Troubleshooting Page Contents Contents Troubleshooting Index Help Is Available Is the Notebook Receiving Adequate Power? Is the Notebook Turned On?Is the Notebook Overheated? Is the System Unresponsive?Is an External Device Not Working? Is Software Functioning Abnormally? Help Is Available Help from Your Notebook Help from DocumentationHelp from the World Wide Web For help specific to your notebookHelp by Telephone Preparing to Call Customer SupportHelp from a Service Provider Accessing Customer Support Telephone NumbersProblems and Solutions Sound does not record Audio ProblemsSound is not audible Battery and Power Problems Indicators are displaying a low-battery condition Battery pack does not charge Battery pack is warm after chargingBattery pack charge displays seem inaccurate Battery pack run time is shorter than expected Standby cannot be initiatedHibernation cannot be initiated CD or DVD Problems CD or DVD drive is not recognized by the systemNo alert sounds when a CD or DVD drive is inserted DVD movie does not fill the screen DVD play is erraticDVD region error code is displayed Standby or Hibernation affects CD or DVD playDigital Memory Card or Memory Stick problems Digital memory alerts are not audibleProblems and Solutions Display Problems Display is blankDesktop icons are too large or too small Characters are dim or difficult to readFireWire connector has only 4 pins FireWire Ieee 1394 ProblemsFireWire device does not work Game sounds are erratic Game ProblemsGame frequently stops responding or locks up Primary hard drive is not recognized Hard Drive ProblemsPrimary hard drive cannot be accessed Secondary hard drive is not recognized Infrared Communication Problems Infrared link cannot be establishedStandby is preventing infrared transmission Internet Problems Internet buttons do not respondLetter keys are typing numbers Keyboard and Pointing Device ProblemsAssorted keys are typing incorrect characters Keypad does not work Hotkeys do not work on an external keyboardPointer drifts Pointer moves erratically as you typeExternal mouse does not work Pointing stick does not workTouchPad does not work PS/2 scroll mouse does not work USB keyboard or pointing device does not workMemory Problems Insufficient memory message is displayedNew memory module does not increase memory New memory module affects startupModem does not dial correctly Modem ProblemsNo dial tone is audible Modem dials correctly but does not connect Modem sounds are not audibleModem loses connection Modem does not connect at highest speedCharacters are garbled or transfer rates are slow Fax transmissions do not work Message reports excessive line currentNetwork Problems Connection occurs, but network seems inactiveSome network resources are not available Network connection is slowPC Card does not work and alerts are not audible PC Card problemsPC Card alerts are not audible Network PC Card stops communicating PC Card modem is not workingTelevision is blank Television problemsVideo jack has 7 pins Temperature Problems USB device does not work during startup USB ProblemsUSB device does not work Wireless LAN Wlan Device Problems Connection breaks after 3 minutes Rate indication in the Connection Status fluctuates Throughput and connection range vary Index Index DVD Index-4 See also Internet monitor, external Index-6 Index-7 USB