HP 320399-002 manual Help Is Available

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Help Is Available

■Back up your data files, then repair or reinstall the software.

❏To repair or reinstall the operating system or an HP application or utility, use the restoration CDs included with the notebook.

Instructions for using the CDs to repair or reinstall software are included with all notebook models. On some models, these instructions are included in the restoration CD package. On other models, the instructions are provided in model-specific documentation such as a Software Guide or Reference Guide.

❏To repair or reinstall software that was not preloaded or preinstalled, follow the instructions in the documentation provided with the software.

ÄCAUTION: To prevent file corruption and be sure that the correct drivers are installed, restore or reinstall software only when the notebook is connected to external power through the AC adapter or an optional DC cable. (Do not repair or restore software while the notebook is docked or running on battery power.) During the reinstallation:

■Do not unplug the notebook from external power.

■Do not shut down the notebook.

■Do not remove or insert a drive.

■Do not add or remove any internal or external device.

1–6	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 Audio Problems Sound is not audibleSound does not record 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 Ieee 1394 Problems FireWire device does not workFireWire connector has only 4 pins Game Problems Game frequently stops responding or locks upGame sounds are erratic Hard Drive Problems Primary hard drive cannot be accessedPrimary hard drive is not recognized Secondary hard drive is not recognized Infrared Communication Problems Infrared link cannot be establishedStandby is preventing infrared transmission Internet Problems Internet buttons do not respondKeyboard and Pointing Device Problems Assorted keys are typing incorrect charactersLetter keys are typing numbers Keypad does not work Hotkeys do not work on an external keyboardPointer drifts Pointer moves erratically as you typePointing stick does not work TouchPad does not workExternal mouse 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 Problems No dial tone is audibleModem does not dial correctly Modem dials correctly but does not connect Modem sounds are not audibleModem does not connect at highest speed Characters are garbled or transfer rates are slowModem loses connection 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 problems PC Card alerts are not audiblePC Card does not work and alerts are not audible Network PC Card stops communicating PC Card modem is not workingTelevision problems Video jack has 7 pinsTelevision is blank Temperature Problems USB Problems USB device does not workUSB device does not work during startup 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