HP 430239-001 manual Computer is turned on but not responding

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Troubleshooting

The computer is turned on but not responding

If the computer is turned on, but not responding to software or keyboard commands, turn off the computer by using the standard shutdown procedure:

1.Save your work and close all open programs.

2.Shut down the computer through the operating system by clicking Start, clicking the arrow next to the Lock button, and then clicking Shut Down.

If you are unable to turn off the computer using this procedure, try the following emergency procedures in the sequence provided:

ÄCAUTION: Emergency shutdown procedures result in the loss of unsaved information.

■Press ctrl+alt+delete. Then, in the lower-right corner of the screen, click the Power button.

■Press and hold the power button for at least 5 seconds.

■Disconnect the computer from external power and remove the battery.

Getting Started

3–5

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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 Next steps Install additional hardware and softwareIdentify and install hardware Computer includes software that may be Locate and install softwareProtect your system files Protect the computerProtect the computer from viruses 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