HP 430239-001 manual An external device is not working

Page 31

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 user guide. 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.

Getting Started

3–7

Image 31

Contents Getting Started Page Contents Troubleshooting Index Identify required hardware First-time setupComponent Refer to Appendix C, Backup and recovery, for instructions Set up the computerInsert the battery Connect the computer to external power First-time setup 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 Computer includes software that may be Locate and install softwareProtect the computer from viruses Protect the computerProtect your system files Protect your privacy Protect the computer from power surgesUse the computer safely Next steps Connect to a computer network Locate the user guides Update your softwareTurn off the computer correctly Troubleshooting resources TroubleshootingComputer is unable to start up Quick troubleshootingComputer screen is blank Software is functioning abnormally Computer is turned on but not responding Computer is unusually warm An external device is not working Home wireless network connection is not working Customer Care Help and SupportContact Customer Care by e-mail or telephone Prepare to contact Customer CareGetting Started Top components Keys Pointing devices Wireless antennae select models only Rear components Front componentsRight-side components Left-side components Bottom components Choose an ISP Connect to the Internet from your homeUse the New Connection Wizard Choose the type of Internet connection Safeguard your data Backup and recoveryBack up specific files or folders Back up the systemBack up the entire hard drive Back up modifications made to the system Schedule backups Recover the system Create recovery discs highly recommended To create a set of recovery discs Performing a recovery from the recovery discs Perform a recoveryInitiating a recovery from the hard drive recovery partition Operating environment SpecificationsRated input power Index Index Keys Embedded numeric keypad A-3 Regulatory, Safety Environmental Notices Index-5