HP E4S17UA#ABA, E4S20UA#ABA manual Installing software updates, Securing your wireless network

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Installing software updates

HP, Microsoft Windows, and third-party software installed on your computer should be regularly updated to correct security problems and improve software performance. For more information, see Updating programs and drivers.

Installing critical security updates

CAUTION: Microsoft® sends out alerts regarding critical updates. To protect the computer from security breaches and computer viruses, install all critical updates from Microsoft as soon as you receive an alert.

You can choose whether updates are installed automatically. To change the settings, from the Start screen, type c, and then select Control Panel. Select System and Security, select Windows Update, select Change settings, and then follow the on-screen instructions.

Installing HP and third-party software updates

HP recommends that you regularly update the software and drivers that were originally installed on your computer. To download the latest versions, go to http://www.hp.com/support. At this location, you can also register to receive automatic update notifications when they become available.

If you have installed third-party software after you purchased your computer, regularly update the software. Software companies provide software updates to their products to correct security problems and improve functionality of the software.

Securing your wireless network

When you set up your wireless network, always enable security features. For more information, see Protecting your WLAN.

Backing up your software applications and information

Regularly back up your software applications and information to protect them from being permanently lost or damaged through a virus attack or a software or hardware failure. For more information, see Backing up, restoring, and recovering.

Using an optional security cable lock

A security cable lock, which is purchased separately, is designed to act as a deterrent, but it may not prevent the computer from being mishandled or stolen. Security cable locks are only one of several methods that should be employed as part of a complete security solution to help maximize theft protection.

The security cable slot on your computer may look slightly different from the illustration in this section. For the location of the security cable slot on your computer, see Getting to know your computer.

1.Loop the security cable lock around a secured object.

2.Insert the key (1) into the security cable lock (2).

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Contents User Guide Software terms Product noticeSafety warning notice Iv Safety warning notice Table of contents Enjoying entertainment features Managing power Maintaining your computer Input power Operating environment Page Best practices Starting rightFun things to do More HP resources Resource ContentsFinding your hardware and software information Getting to know your computerLocating hardware Locating softwareComponent Description Right sideSelect User guides Left side See Using HP 3D DriveGuard select models only Display TouchPad TopInitiating Sleep and Hibernation on LightsButtons and speakers Options, or see Managing power on Fn key KeysBottom Bottom Component LabelsConnecting to a wireless network Connecting to a networkUsing the wireless controls Using the wireless buttonUsing operating system controls Using a WlanUsing an Internet service provider ModeStepsConfiguring a wireless router Setting up a WlanProtecting your Wlan Connecting to a Wlan Using Bluetooth wireless devices select models onlyConnecting to a local area network LAN Connecting to a wired networkMultimedia Features Enjoying entertainment featuresPorts, see Using a USB device on Using audio Using the webcam select models onlyConnecting speakers Connecting a microphone Connecting headphonesUsing Beats Audio select models only Accessing Beats Audio Control PanelChecking the sound To confirm or change the audio settings on your computerConnecting an Hdmi device Using videoConfiguring Hdmi audio settings Using Intel Wireless Display select models onlyManaging your audio and video files Using TouchPad gestures Using the TouchPadTapping Pinching/zooming ScrollingFinger click select models only Rotating select models onlyEdge swipes Flicking select models onlyRight-edge swipe Left-edge swipe Top-edge swipeOne-finger slide Using touch screen gestures select models onlyPinching/stretching Rotating select models only Top-edge swipe and bottom-edge swipe Using the keyboard and mouse Setting touch screen preferences select models onlyUsing the action keys Using the keysIcon Key Description Shortcut Key Description Using Microsoft Windows 8 shortcut keysUsing the hot keys select models only Using the integrated numeric keypadFunction Hot key Description Sound , and then select Beats Audio Control PanelInitiating Sleep and Hibernation Managing powerIntel Rapid Start Technology select models only Enabling and exiting user-initiated hibernation Initiating and exiting SleepRunning on battery power Using the power meter and power settingsSetting password protection on wakeup Removing a user-replaceable batteryConserving battery power Finding battery informationResolving a low battery level Identifying low battery levelsStoring a user-replaceable battery Disposing of a user-replaceable battery Running on external AC powerReplacing a user-replaceable battery HP CoolSense select models only Troubleshooting power problemsShutting down turning off the computer Managing and sharing information Using a USB deviceType Description Connecting a powered USB device Connecting a USB deviceRemoving a USB device Inserting and removing a digital storage card Using optical drives Removing an optical disc Inserting an optical discTray-load When the disc tray opens normally Sharing data and drives and accessing software Select Open Network and Sharing Center Improving performance Maintaining your computerHandling drives Replacing the primary hard drive Page Replacing the secondary hard drive select models only Page Using Disk Defragmenter Using HP 3D DriveGuard select models onlyAdding or replacing memory modules Using Disk CleanupPage Page Page Cleaning the display, sides, and cover Cleaning your computerCleaning the TouchPad and keyboard Updating programs and driversTraveling with or shipping your computer Computer risk Security feature Using passwordsSecuring your computer and information Setting Setup Utility Bios passwords Setting Windows passwordsPassword Function Using HP SimplePass select models only Using the fingerprint readerRegistering fingerprints Using antivirus software Using Internet security softwareUsing firewall software Using your registered fingerprint to log on to WindowsSecuring your wireless network Installing software updatesUsing an optional security cable lock Backing up your software applications and informationPage Starting Setup Utility Bios Using Setup Utility Bios and System DiagnosticsUpdating the Bios Determining the Bios versionDownloading a Bios update Using System Diagnostics Creating recovery media and backups Backing up, restoring, and recoveringSee Creating HP Recovery media on Creating HP Recovery mediaRestore and recovery Remove everything and reinstall Windows Using Windows Refresh for quick and easy recoveryWhat you need to know Recovering using HP Recovery ManagerChanging the computer boot order Using HP Recovery media to recoverRemoving the HP Recovery partition Input power SpecificationsInput power Rating Operating environment Electrostatic Discharge Index BiosJacks
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