HP tc4400 An external device is not working, Home wireless network connection is not working

Page 28

Troubleshooting

An external device is not working

If an external device does not function as expected:

Turn on the device as instructed in the device documentation. Some devices may not be powered by the computer, and must be turned on before the computer is turned on.

Be sure that

All device connections are secure.

The device is receiving electrical power.

The device, especially if it is an older one, is compatible with your operating system. For compatibility information, refer to the device manufacturer’s Web site.

The correct drivers are installed and updated. Drivers may be available on a CD included with the device or on the device manufacturer’s Web site. For more information about updating drivers, select Start > Help and Support.

The home wireless network connection is not working

If a home wireless network connection is not working as expected:

Be sure that the wireless light on the computer is on. If the light is off, press the wireless button to turn it on.

Be sure that the computer wireless antennae are free from obstructions.

Be sure that the cable or DSL modem and its power cord are properly connected, and the lights are on.

3–6

Getting Started

Image 28
Contents Getting Started Page Contents Troubleshooting Index First-time setup Identify required hardwareComponents Set up the computer Insert the battery pack Connect the computer to external power Turn on the computer First-time setup Set up the software Create recovery discs recommended Identify and install hardware Install additional hardware and softwareNext steps Locate or install software Computer includes software that may beProtect the computer from viruses Protect the computerProtect your system files Protect the computer from power surges Protect your privacyUse the computer safely Connect to a computer network Update your software Locate the user guidesTurn off the computer correctly Troubleshooting Troubleshooting resourcesQuick troubleshooting Computer is unable to start upComputer screen is blank Software is functioning abnormally Computer is turned on but not respondingComputer is unusually warm Home wireless network connection is not working An external device is not workingHelp and Support Center Customer CarePrepare to contact Customer Care Contact Customer Care by e-mail or telephoneGetting Started Top components Keys Pointing devices ComponentFingerprint reader Wireless antennae Front components Rear components Left-side components Right-side components Bottom components Connect to the Internet from your home Choose an ISPUse the New Connection Wizard Choose the type of Internet connection Backup and recovery Safeguard your dataBack up the system Back up specific files or foldersBack up the entire system Click Next to back up your entire hard drive Back up modifications made to the system Schedule backups Click Expert Mode Click Schedule BackupsRecover the system Create recovery discs recommended Click Factory image recovery discs, and then click Next Perform a recovery Performing a recovery from the recovery discsBackup and recovery Specifications Operating environmentRated input power Index Index Index-3 Safety and Comfort Guide 2-5 security cable slot A-8 Index-5