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HP CQ57-489CA, CQ57-439WM Power management, Shutting down the computer, Select Start Shut down

Models: CQ57-439WM

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4 Power management

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 USB or video 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.Select Start > Shut down.

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.

18 Chapter 4 Power management

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HP CQ57-489CA, CQ57-439WM, CQ57-489WM, CQ57-339WM manual Power management, Shutting down the computer, Select Start Shut down

Contents

HP Notebook Reference GuideProduct notice Safety warning notice iv Safety warning notice Table of contents Audio Replacing the battery 9 Setup Utility BIOS and System Diagnostics 8 Maintenance7 Security Restoring factory settings in Setup Utility BIOS Exiting Setup Utility BIOSUpdating the BIOS Determining the BIOS versionPage 1 Introduction Finding more information about your new computerCreating a wireless connection Identifying wireless and network status icons2 Networking select models only Wireless-Refer to Creating a wireless connection on pageTurning wireless devices on or off Using HP Connection Manager select models onlyUsing a WLAN select models only Using operating system controlsConnecting to an existing WLAN Setting up a new WLANProtecting your WLAN Roaming to another network Using HP Mobile Broadband select models onlyInserting a SIM Using GPS select models only Removing a SIMUsing Bluetooth wireless devices select models only Connecting to a wired networkBluetooth and Internet Connection Sharing ICS Using a modem select models onlyConnecting a modem cable Connecting a country- or region-specific modem cable adapterSelecting a location setting Adding new locations when travelingViewing the current location selection 1. Select Start Control Panel 2. Click Clock, Language, and RegionConnecting to a local area network LAN select models only 1. Select Start Devices and Printers12 Chapter 2 Networking select models only 3 Multimedia Using the media activity controlsAudio Adjusting the volume 1. Select Start All Programs Accessories Sound RecorderWebcam select models only Checking audio functions on the computerVideo DisplayPortHDMI Intel Wireless Display select models only Using CyberLink PowerDVD select models onlyConfiguring audio for HDMI Shutting down the computer 4 Power management2. Select Start Shut down Setting power options Using power-saving statesInitiating and exiting Sleep Initiating and exiting HibernationUsing the power meter Using power plansViewing the current power plan Selecting a different power planUsing HP Power Manager select models only Setting password protection on wakeupCustomizing power plans 1. Select Start Control Panel System and Security Power OptionsFinding battery information Using battery powerUsing Battery Check Displaying the remaining battery charge Maximizing battery discharge timeManaging low battery levels Identifying low battery levelsConserving battery power Storing a batteryResolving a low battery level Resolving a low battery level when external power is availableDisposing of a used battery Using external AC powerReplacing the battery Using HP CoolSense select models only Testing an AC adapter5 External cards and devices Using Digital Media Slot cards select models onlyInserting a digital card Using ExpressCards select models only Configuring an ExpressCardRemoving a digital card Inserting an ExpressCardRemoving an ExpressCard Using smart cards select models only Inserting a smart cardConnecting a USB device Using a USB deviceRemoving a smart card Connecting a 1394 device Using 1394 devices select models onlyRemoving a USB device Connecting an eSATA device Using an eSATA device select models onlyRemoving a 1394 device Using optional external devices Using optional external drivesUsing the expansion port select models only Removing an eSATA deviceUsing optional external devices 6 Drives Handling drivesUsing hard drives Using HP 3D DriveGuard select models onlyUsing Disk Defragmenter Using Disk CleanupManaging power with a parked hard drive Using HP 3D DriveGuard softwareIdentifying HP 3D DriveGuard status 1. Select Start Control Panel Hardware and Sound HP 3D DriveGuardUsing optical drives select models only Identifying the installed optical drive select models onlyInserting an optical disc Tray loadSlot load Removing an optical discTray load When the disc tray opens normally When the disc tray fails to open normallySlot load Sharing optical drives Using RAID select models only3. Select the Sharing tab Advanced Sharing 7 Security Using passwordsProtecting the computer Setting passwords in Setup Utility BIOS Setting passwords in WindowsAfter you set a user or administrator password, follow these Managing an administrator password Entering an administrator passwordUsing antivirus software Using firewall softwareManaging a power-on password Entering a power-on passwordInstalling critical security updates Installing an optional security cableUsing the fingerprint reader select models only Locating the fingerprint reader8 Maintenance Cleaning your computerCleaning the display Cleaning the sides and coverUsing SoftPaq Download Manager 9 Setup Utility BIOS and System Diagnostics Using Setup Utility BIOSStarting Setup Utility BIOS Changing the language of Setup Utility BIOSRestoring factory settings in Setup Utility BIOS Navigating and selecting in Setup Utility BIOSDisplaying system information Updating the BIOS Exiting Setup Utility BIOSDetermining the BIOS version Downloading a BIOS update 1. Select Start Help and Support MaintainUsing System Diagnostics A Traveling with the computer If you are traveling internationally, follow these suggestions 58 Appendix A Traveling with the computerB Troubleshooting resources C Electrostatic Discharge Symbols/Numerics IndexP passwords