Power management, Shutting down the computer | HP WX557AV, LQ174AW

4 Power management

NOTE: A computer may have a power button or a power switch. The term power button is used throughout this guide to refer to both types of power controls.

Shutting down the computer

CAUTION: Unsaved information is lost when the computer shuts down.

The shut down command closes all open programs, including the operating system, and then turns off the display and computer.

Shut down the computer under any of the following conditions:

●When you need to replace the battery or access components inside the computer

●When you are connecting an external hardware device that does not connect to a Universal Serial Bus (USB) port

●When the computer will be unused and disconnected from external power for an extended period

Although you can shut down the computer with the power button, the recommended procedure is to use the Windows shut down command:

NOTE: If the computer is in the Sleep state or in Hibernation, you must first exit Sleep or Hibernation before shutdown is possible.

1.Save your work and close all open programs.

2.Windows 7—SelectStart > Shut down.

Windows Vista—Select Start, click the arrow next to the Lock button, and then click Shut Down.

NOTE: If you have been registered to a network domain, the button you click is called Shut Down instead of Turn Off Computer.

If the computer is unresponsive and you are unable to use the preceding shutdown procedures, try the following emergency procedures in the sequence provided:

●Press ctrl+alt+delete, and then 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.

22 Chapter 4 Power management

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HP WX557AV, LQ174AW, LJ527UT, LQ164AW manual Power management, Shutting down the computer, Windows 7-SelectStart Shut down

Contents

HP Notebook Product notice Safety warning notice Iv Safety warning notice Table of contents VGA Hdmi External cards and devices Cleaning your computer Cleaning products Viii Computer Setup Bios and System Diagnostics Page Introduction Finding more information about your new computer Creating a wireless connection Identifying wireless and network status iconsNetworking select models only Windows Windows Vista Turning wireless devices on or off Using HP Connection Manager select models onlyUsing operating system controls Click Start All Programs HP HP Connection Manager Select Start Connect to Using a WlanConnecting to an existing Wlan Roaming to another network Setting up a new WlanProtecting your Wlan Using HP Mobile Broadband select models only Inserting a SIM Using GPS select models only Using Bluetooth wireless devicesBluetooth and Internet Connection Sharing ICS Removing a SIM Connecting a modem cable Connecting to a wired networkUsing a modem select models only Page Connecting a country- or region-specific modem cable adapter Selecting a location setting Adding new locations when traveling Windows Select Start Device and Printers Connecting to a local area network LAN select models only Page Audio Using the media activity controlsMultimedia Adjusting the volume Select Start All Programs Accessories Sound RecorderChecking audio functions on the computer Select Start Control Panel Hardware and Sound Sound Select Start All Programs Accessories Sound Recorder Webcam select models only Video VGA Configuring audio for Hdmi Hdmi Intel Wireless Display select models only Windows 7-SelectStart Shut down Power managementShutting down the computer Setting power options Using power-saving statesInitiating and exiting Sleep Initiating and exiting Hibernation Using the power meter Using power plansViewing the current power plan Selecting a different power plan Setting password protection on wakeup Customizing power plans Click Require a password recommended Click Save changes Using Power Assistant select models only Using battery powerFinding additional battery information Select Start All Programs HP HP Power Assistant Using Battery Check Displaying the remaining battery chargeMaximizing battery discharge time Managing low battery levels Conserving battery power Resolving a low battery level Using external AC power Storing a batteryDisposing of a used battery Replacing the batteryPage Switching between graphics modes select models only Testing an AC adapter Inserting a digital card Using Media Card Reader cards select models onlyExternal cards and devices Using PC Cards select models only Removing a digital card Configuring a PC Card Inserting a PC Card Removing a PC Card Using ExpressCards select models onlyConfiguring an ExpressCard Inserting an ExpressCard Using smart cards select models only Removing an ExpressCard Removing a smart card Using a USB deviceInserting a smart card Removing a USB device Using 1394 devices select models onlyConnecting a USB device Removing a 1394 device Using an eSATA device select models onlyConnecting a 1394 device Connecting an eSATA device Removing an eSATA device Using optional external drives Using a serial device select models onlyUsing optional external devices Using the expansion port select models only Using the docking connector select models only External cards and devices Drives Handling drives Using hard drives Using Disk DefragmenterUsing Disk Cleanup Improving hard drive performance Identifying HP 3D DriveGuard status Using HP 3D DriveGuard select models onlyManaging power with a parked hard drive Using optical drives select models only Identifying the installed optical driveUsing HP 3D DriveGuard software Inserting an optical disc Removing an optical disc Slot load When the disc tray opens normally Slot load Using RAID select models only Sharing optical drives Security Protecting the computer Using passwords Setting passwords in Windows Setting passwords in Computer Setup Managing a Bios administrator passwordSetting a new Bios administrator password Changing a Bios administrator password Deleting a Bios administrator password Managing a Computer Setup DriveLock passwordEntering a Bios administrator password Setting a DriveLock password Removing DriveLock protection Entering a DriveLock passwordChanging a DriveLock password Removing Automatic DriveLock protection Using Computer Setup Auto DriveLockEntering an Automatic DriveLock password Page Using antivirus software Using firewall software Installing critical security updates Using HP ProtectTools Security Manager select models only Installing an optional security cable Using the fingerprint reader select models only Locating the fingerprint reader Maintenance Cleaning your computer Cleaning productsCleaning procedures Cleaning the display Updating programs and drivers Cleaning the TouchPad and keyboardCleaning a tablet PC pen and pen holder Using SoftPaq Download Manager Computer Setup Bios and System Diagnostics Using Computer SetupStarting Computer Setup Navigating and selecting in Computer Setup Restoring factory settings in Computer Setup Updating the Bios Determining the Bios versionDownloading a Bios update Select Start Help and Support Maintain Using System Diagnostics MultiBoot About the boot device order Enabling boot devices in Computer Setup Considering boot order changes Dynamically choosing a boot device using the F9 prompt Choosing MultiBoot preferencesSetting a new boot order in Computer Setup Setting a MultiBoot Express prompt Entering MultiBoot Express preferences Management Using Client Management SolutionsConfiguring and deploying a software image Managing and updating software HP Client Manager for Altiris select models onlyPage HP CCM Client Configuration Manager select models only HP SSM System Software Manager Using Intel Active Management Technology select models only Enabling the iAMT solution Using the MEBx setup utility menusIntel ME Configuration IAMT Configuration Change Intel ME Password Traveling with the computer Page Troubleshooting resources Electrostatic Discharge Symbols/Numerics Index Keys SIM