HP : LY849UA, : LW883AW Using HP Mobile Broadband select models only, Roaming to another network

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generate a new key for every packet, and they also generate a different set of keys for each computer network. To accomplish this:

WPA uses Advanced Encryption Standard (AES) and Temporal Key Integrity Protocol (TKIP)

WPA2 uses Cipher Block Chaining Message Authentication Code Protocol (CCMP), which is a new AES protocol.

Wired Equivalent Privacy (WEP) encrypts data with a WEP key before it is transmitted. Without the correct key, others will not be able to use the WLAN.

Roaming to another network

When you move your computer within range of another WLAN, Windows attempts to connect to that network. If the attempt is successful, your computer is automatically connected to the new network. If Windows does not recognize the new network, follow the same procedure you used initially to connect to your WLAN.

Using HP Mobile Broadband (select models only)

HP Mobile Broadband enables your computer to use wireless wide area networks (WWANs) to access the Internet from more places and over larger areas than it can by using WLANs. Using HP Mobile Broadband requires a network service provider, which in most cases is a mobile phone network provider.

When used with mobile network provider service, HP Mobile Broadband gives you the freedom to stay connected to the Internet, send e-mail, or connect to your corporate network whether you are on the road or outside the range of Wi-Fi hotspots.

NOTE: You may need the HP Mobile Broadband Module serial number to activate mobile broadband service. Refer to the Getting Started guide for the location of the serial number label.

Some mobile network service providers require the use of a subscriber identity module (SIM). A SIM contains basic information about you, such as a personal identification number (PIN), as well as network information. Some computers include a preinstalled SIM. If the SIM is not preinstalled, it may be included with the HP Mobile Broadband information provided with your computer, or it may be provided separately by the mobile network service provider.

For information on inserting and removing the SIM, refer to Inserting a SIM on page 6 and Removing a SIM on page 7.

For information on HP Mobile Broadband and how to activate service with a preferred mobile network service provider, refer to the HP Mobile Broadband information included with your computer. For additional information, see the HP Web site at http://www.hp.com/go/mobilebroadband (U.S. only).

Inserting a SIM

NOTE: To identify the SIM slot location, refer to the Getting Started guide.

1.Shut down the computer. If you are not sure whether the computer is off or in Hibernation, turn the computer on by pressing the power button. Then shut down the computer through the operating system.

2.Close the display.

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Chapter 2 Networking (select models only)

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Contents HP Notebook Product notice Safety warning notice Iv Safety warning notice Table of contents VGA External cards and devices Security Page Page Introduction Finding more information about your new computerIdentifying wireless and network status icons Creating a wireless connectionNetworking select models only Turning wireless devices on or off Using HP Connection Manager select models onlyUsing a Wlan 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 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 Viewing the current location selectionConnecting to a local area network LAN select models only Select Start Devices and PrintersPage Multimedia Using the media activity controlsAudio Webcam select models only Adjusting the volumeChecking audio functions on the computer Video DisplayPortHdmi Intel Wireless Display select models only Using CyberLink PowerDVD select models onlyConfiguring audio for Hdmi Power management Shutting down the computerSetting 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 planSetting password protection on wakeup Using HP Power Manager select models onlyCustomizing power plans Finding battery information Using battery powerUsing Battery Check Displaying the remaining battery charge Maximizing battery discharge timeManaging low battery levels Identifying low battery levelsStoring a battery Conserving battery powerResolving a low battery level Disposing of a used battery Using external AC powerReplacing the battery Using HP CoolSense select models only Testing an AC adapterExternal 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 Drives Handling drivesUsing hard drives Using Disk DefragmenterUsing Disk Cleanup Improving hard drive performanceManaging power with a parked hard drive Identifying HP ProtectSmart Hard Drive Protection statusUsing optical drives select models only Identifying the installed optical driveUsing HP ProtectSmart Hard Drive Protection software Inserting an optical discRemoving an optical disc Slot loadWhen the disc tray opens normally Slot load Using RAID select models only Sharing optical drivesSecurity Using passwordsProtecting the computer Setting passwords in Windows Setting passwords in Setup Utility BiosManaging 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 readerMaintenance Cleaning your computerCleaning the display Cleaning the TouchPad and keyboardUsing SoftPaq Download Manager 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 Select Start Help and Support MaintainUsing System Diagnostics Traveling with the computer Page Troubleshooting resources Electrostatic Discharge Symbols/Numerics IndexPasswords