HP 8440P manual Connecting to a Wlan, Use a wireless transmitter with built-in security

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When you set up a WLAN or access an existing WLAN, always enable security features to protect your network from unauthorized access. The common security levels are Wi-Fi Protected Access (WPA) and Wired Equivalent Privacy (WEP). Because wireless radio signals travel outside the network, other WLAN devices can pick up unprotected signals and either connect to your network (uninvited) or capture information being sent across it. However, you can take precautions to protect your WLAN:

Use a wireless transmitter with built-in security.

Many wireless base stations, gateways, and routers provide built-in security features such as wireless security protocols and firewalls. With the correct wireless transmitter, you can protect your network from the most common wireless security risks.

Work behind a firewall.

A firewall is a barrier that checks both data and requests for data that are sent to your network and then discards any suspicious items. Firewalls are available in many varieties, both software and hardware. Some networks use a combination of both types.

Use wireless encryption.

A variety of sophisticated encryption protocols is available for your WLAN. Find the solution that works best for your network security:

Wired Equivalent Privacy (WEP) is a wireless security protocol that uses a WEP key to encode or encrypt all network data before it is transmitted. Usually, you can allow the network to assign the WEP key. Alternatively, you can set up your own key, generate a different key, or choose other advanced options. Without the correct key, others will not be able to use the WLAN.

WPA (Wi-Fi Protected Access), like WEP, uses security settings to encrypt and decrypt data that is transmitted over the network. However, instead of using one static security key for encryptions as WEP does, WPA uses temporal key integrity protocol (TKIP) to dynamically generate a new key for every packet. It also generates different sets of keys for each computer on the network.

Close your network.

If possible, prevent your network name (SSID) from being broadcast by the wireless transmitter. Most networks initially broadcast the name, telling any computer nearby that your network is available. By closing the network, other computers are less likely to know that your network exists.

NOTE: If your network is closed and the SSID is not broadcast, you will need to know or remember the SSID to connect new devices to the network. Write down the SSID and store it in a secure place before closing the network.

Connecting to a WLAN

To connect to the WLAN, follow these steps:

1.Be sure that the WLAN device is on. If it is on, the wireless light is blue. If the wireless light is amber, press the wireless button.

2.Click the network icon in the notification area, at the far right of the taskbar.

3.Select your WLAN from the list.

4.Click Connect.

Using a WLAN device (select models only) 19

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Contents HP EliteBook Product notice Safety warning notice Iv Safety warning notice Table of contents Pointing devices and keyboard Adjusting the volume Power management Drives Security 151 Xii Pointing devices FeaturesIdentifying hardware Top componentsComponent Description LightsRapidly Panel System and Security Power Options Buttons, switches, and fingerprint readerKeys Fn key Front componentsRight-side components Rear componentsLeft-side components Bottom components Display components Wireless antennas select models only Additional hardware components Identifying the labelsPage Using wireless devices select models only Wireless, modem, and local area networkUsing the wireless controls Identifying wireless and network iconsUsing the wireless button Using HP Connection Manager select models only Using Wireless Assistant software select models onlyUsing operating system controls Setting up a Wlan Using a Wlan device select models onlyProtecting your Wlan Use a wireless transmitter with built-in security Connecting to a WlanRoaming to another network Inserting a SIM select models only Using HP Mobile Broadband select models onlyRemoving a SIM select models only Page Bluetooth and Internet Connection Sharing ICS Using a Bluetooth wireless device select models onlyCannot create a Wlan connection Troubleshooting wireless connection problemsNetwork icon is not displayed Cannot connect to a preferred networkCurrent network security codes are unavailable Wlan connection is very weak Cannot connect to the wireless routerConnecting a modem cable purchased separately Using the modem select models onlyAdding new locations when traveling Selecting a location settingViewing the current location selection Select Start Devices and Printers Solving travel connection problemsClick Properties Connecting to a local area network LAN Using the keyboard Using pointing devicesPointing devices and keyboard Initiating Sleep Displaying system informationIncreasing screen brightness Switching the screen imageViewing battery charge information Decreasing screen brightnessUsing keypads Using HP QuickLookEnabling and disabling the embedded numeric keypad Using the embedded numeric keypadUsing an optional external numeric keypad Switching key functions on the embedded numeric keypadCleaning the TouchPad, keyboard, and vents Adjusting the volume Multimedia featuresMultimedia Click Customize notification icons Multimedia softwareInstalling multimedia software from a disc Accessing your preinstalled multimedia softwareAudio Connecting external audio devicesChecking your audio functions Page Video Connecting an external monitor or projectorUsing the external monitor port Using the DisplayPortPage Optical drive select models only Using optical discs CDs, DVDs, and BDsIdentifying the optical drive DVD±R discs Selecting the right disc CDs, DVDs, and BDsCD-R discs CD-RW discsBlu-ray Discs BDs Playing a CD, DVD, or BDDVD±RW discs LightScribe DVD+R discsChanging DVD region settings Configuring AutoPlayCopying a CD, DVD, or BD Observing the copyright warningRemoving an optical disc CD, DVD, or BD Creating burning a CD, DVD, or BDTroubleshooting Computer does not detect the optical drive Disc does not play automatically Disc does not playMovie is not visible on an external display Movie stops, skips, or plays erraticallyObtaining the latest HP device drivers Device driver must be reinstalledWebcam select models only Adjusting webcam propertiesCapturing business card images Page Initiating and exiting Sleep Power managementSetting power options Using power-saving statesUsing power plans Using the battery meterInitiating and exiting Hibernation Customizing power plans Setting password protection on wakeupViewing the current power plan Selecting a different power planUsing external AC power Using Power Assistant select models onlyStarting Power Assistant Connecting the AC adapter Using battery powerInserting or removing the battery Finding battery information in Help and SupportUsing Battery Check Displaying the remaining battery chargeCharging a battery Managing low battery levels Maximizing battery discharge timeResolving a low battery level Identifying low battery levelsFully charge the battery Calibrating a batteryDisable Hibernation and Sleep Fully recharge the battery Discharge the batteryReenable Hibernation and Sleep Replacing the battery Conserving battery powerStoring a battery Disposing of a used batteryPower management Shutting down the computer Testing an AC adapterPage Drives Identifying installed drivesHandling drives Page Using Disk Cleanup Using Disk DefragmenterImproving hard drive performance Identifying HP 3D DriveGuard status Using HP 3D DriveGuardUsing HP 3D DriveGuard software Replacing a hard drive in the hard drive bay Page Page Removing the protective insert Replacing a drive in the upgrade bayReplacing a hard drive Page Page Replacing an optical drive Page Page Connecting a USB device Using a USB deviceExternal devices Removing a USB device Using USB legacy supportConnecting a 1394 device Using a 1394 deviceRemoving a 1394 device Page Using optional external devices Using external drivesUsing a docking device External media cards Using SD Card Reader cardsInserting a digital card Inserting an ExpressCard Using ExpressCards select models onlyConfiguring an ExpressCard Removing a digital cardRemoving an ExpressCard Using smart cards select models only Removing a smart card Inserting a smart cardMemory modules Page Page Page Upgrading a memory module in the primary memory module slot Page Page Page Protecting the computer SecuritySetting passwords in Windows Using passwordsSetting passwords in Computer Setup Managing a Bios administrator password Bios administrator passwordEntering a Bios administrator password Using Computer Setup DriveLockEntering a DriveLock password Setting a DriveLock passwordRemoving DriveLock protection Changing a DriveLock passwordEntering an Automatic DriveLock password Using Computer Setup Auto DriveLockRemoving Automatic DriveLock protection Viewing Computer Setup System Information Using Computer Setup security featuresSecuring system devices Using Computer Setup System IDs Using antivirus software Using firewall software Installing critical updates Using HP ProtectTools Security Manager select models only Installing a security cable Software updates Updating software Determining the Bios version Updating the BiosDownloading a Bios update Page Click Download Updating programs and driversUsing SoftPaq Download Manager Backup and recovery Backing up your information Select Start All Programs Maintenance Backup and RestoreBackup and recovery Using the Windows recovery tools Performing a recoveryUsing a Windows 7 operating system DVD purchased separately Using f11 recovery toolsSelect Repair your computer Navigating and selecting in Computer Setup Computer SetupStarting Computer Setup Using Computer SetupRestoring factory settings in Computer Setup Computer Setup menusSecurity menu File menuUser Management requires a Bios administrator password System Configuration menuUSB port to the computer Enable/disable Preboot Authentication on HP QuickLook Ansi MultiBoot About the boot device order Enabling boot devices in Computer Setup Considering boot order changes Setting a new boot order in Computer Setup Choosing MultiBoot preferencesSetting a MultiBoot Express prompt Dynamically choosing a boot deviceEntering MultiBoot Express preferences Management and printing HP Client Automation select models only Using Client Management SolutionsConfiguring and deploying a software image Managing and updating softwareHP SSM System Software Manager Using the HP Universal Print Driver Index Symbols/NumericsDVD-ROM Jacks Ssid Wireless Assistant
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