HP tx2-1002au Wireless User Guide
Contents
1. as walls and floors More information about using a WLAN is available through the following resources e Information from your ISP and the user guides included with your wireless router and other WLAN equipment e Information and Web site links provided in Help and Support For a list of public WLANs near you contact your ISP or search the Web Web sites that list public WLANs include Cisco Internet Mobile Office Wireless Locations Hotspotlist and Geektools Check with each public WLAN location for cost and connection requirements For additional information on connecting your computer to a corporate WLAN contact your network administrator or IT department 10 Chapter 2 Using a 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 Roaming to another network 11 3 Using HP Mobile Broadband select models only HP Mobile Broadband enables your computer to access the Internet from more places and over larger areas than are possible with WLANs Using HP Mobile Broadband requires a network service provider called a mobile network operator which in most cases is a mobile phone network operator Coverage for HP Mobile Broadband is similar to mo2. ANs is displayed If you are in a hotspot where several WLANs are active several will be displayed 2 Right click the network and then click Properties amp NOTE Ifthe network you want is not listed check with the network administrator to be sure that the router or access point is operating 3 Click the Security tab and enter the correct wireless encryption data into the Network security key box 4 Click OK to save these settings Current network security codes are unavailable 21 WLAN connection is very weak If the connection is very weak or if your computer cannot make a connection to a WLAN minimize interference from other devices as follows e Move your computer closer to the wireless router or access point e Temporarily disconnect devices such as a microwave cordless phone or cellular phone to be sure that other wireless devices are not interfering If the connection does not improve try forcing the device to reestablish all connection values 1 Select Start gt Network gt Network and Sharing Center gt Manage wireless networks A list showing the available WLANs is displayed If you are in a hotspot where several WLANs are active several will be displayed 2 Right click a network and then click Remove network 22 Chapter 5 Troubleshooting wireless connection problems Cannot connect to the wireless router If you are trying to connect to the wireless router and are unsuccessful reset the wir
3. Wireless Select Models Only User Guide Copyright 2008 Hewlett Packard Development Company L P Windows is a U S registered trademark of Microsoft Corporation Bluetooth is a trademark owned by its proprietor and used by Hewlett Packard Company under license The information contained herein is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein First Edition June 2008 Document Part Number 482922 001 Product notice This user guide describes features that are common to most models Some features may not be available on your computer iv Product notice Table of contents 1 Using wireless devices select models only Identifying wireless and network status ICONS ccceeeeeeteeeeeee eter eeetne tees sete taeeeee eee eeaeeeeeeeetaaeeeeenee Using the wireless COMMONS sissc1 seeescadetssuaslcebeeuenatediwtnedieeen AREATA RA A EAN Using the wireless button 0 22 cece reece etee rere tn nee ee eet ee ee eee tenneaaeeeeeseneaeeeeeeeeeneeeeeeeteeeeeeeeseeeaeees Using Wireless Assistant software select models Only cccecceeeeceeeeeeeeeeeseceeeeeeceeeeeeeeeetsaeeess Using operating System Control osaisin iiai iaiia ER N
4. a 2 Using a WLAN Setting Upa WLAN siirat Naaa EERE AENEAN EADE ERAAN Protecting your WLAN iicacciccsiassccwatzetasdendcesiveatencaeaasncvadanatenddee iaa aa aa Ea a aaa a danas A TAAT Connecting toa WLAN scacacceceritiianat aini ETA EE TEO Roaming to another network cece eeeeeeee tere eeneeee unntatt EnA AASE E teeeeaaeeeeeeeeeaeeeeeeseeeeeeeeeeteeenaeeeseaaeees 3 Using HP Mobile Broadband select models only a SSM ances anv acs mete ep en ee dna E pee pe pa ee eee eee FROMMOVING BOI iiss select onnstvetec sea aedisawca nee discivee dedesat on dcad bleu sea deqessbonace edsGveas acvviat ootecevveeeanacveas eh geeeauasaenes 4 Using Bluetooth wireless devices select models only Bluetooth and Internet Connection Sharing ICS ccc ccececeeeceeeeeeeseceeeeeceeeeeeeeeseaeeeeeeeeeetieeeteneees 5 Troubleshooting wireless connection problems Cannot connect to a WLAN c eeceececcee cece cece eee ee teeta eee eaaaeaeeeeeeseeeeeeecedseaaeaaesaeeeeeeeseeseesecsccsiaeeeeeees Cannot connect to a preferred network ccccecccccececeeeeeeeeeeececeeneaaeaaecaeeceeeeeeeeeeeeeeeeececcsecnaesaeeaeeeeees Network status icon is not displayed eee cceceeeeeeee eee eeeeeeee etre eeeeeaeeeeeseceeeeeeeeeeeeeeaaeeeeseeeaaeeeeseneaeees Current network security codes are Unavailable cc eeeeeeceeeeeneeeeeeeeeeeeeeeeeeaaeeeeeeeaeeeeeeentaeeeeeeeaes WLAN connection is Very Weak 0 0 eee eee etter terete ee
5. bile phone voice coverage When used with mobile network operator 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 HP Mobile Broadband supports the following technologies e HSPA High Speed Packet Access module which provides access to networks based on the Global System for Mobile Communications GSM telecommunications standard e EV DO Evolution Data Optimized which provides access to networks based on the code division multiple access CDMA telecommunications standard You may need the HP Mobile Broadband Module serial number to activate mobile broadband service The serial number is printed on a label inside the battery bay of your computer Some mobile network operators 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 SIM that is preinstalled in the battery bay If the SIM is not preinstalled it may be provided in the HP Mobile Broadband information provided with your computer or the mobile network operator may provide it separately from the computer For information on inserting and removing the SIM refer to the Inserting a SIM and Removing a SIM sections in this chapter For information on HP Mobile Broadband a
6. e serene ANNATA ENEN eee ee ENNAN essen ANNAE A NNNNA KARREAN EENEN Cannot connect to the wireless router cccecceeeeeeceneecaeceeeeeeeeeeeeeeceecaaaaaeeeeeeeeeeeeeeseseecenccncnueaeeeeeess vi 1 Using wireless devices select models only Wireless technology transfers data across radio waves instead of wires Your computer may be equipped with one or more of the following wireless devices e Wireless local area network WLAN device Connects the computer to wireless local area networks commonly referred to as Wi Fi networks wireless LANs or WLANs in corporate offices your home and public places such as airports restaurants coffee shops hotels and universities In a WLAN each mobile wireless device communicates with a wireless router or a wireless access point e HP Mobile Broadband Module A wireless wide area network WWAN device that provides access to information wherever mobile network operator service is available In a WWAN each mobile device communicates to a mobile network operator s base station Mobile network operators install networks of base stations similar to cell phone towers throughout large geographic areas effectively providing coverage across entire states regions or even countries e Bluetooth device Creates a personal area network PAN to connect to other Bluetooth enabled devices such as computers phones printers headsets speakers and cameras In a PAN each device commun
7. eless router by removing power from the router for 10 to 15 seconds If the computer still cannot make a connection to a WLAN restart the wireless router For details refer to the router manufacturer s instructions Cannot connect to the wireless router 23 Index B Bluetooth device 1 15 Cc connecting toa WLAN 10 corporate WLAN connection 10 E encryption 9 F firewall 9 H HP Mobile Broadband 12 HP Mobile Broadband disabled 13 l icons network status 2 20 wireless 2 interference minimizing 22 Internet connection setup 8 M minimizing interference 22 N network key 21 network security codes network key 21 SSID 21 network status icon 2 20 P public WLAN connection 10 S security wireless 9 24 Index setup of WLAN 8 SIM inserting 13 removing 14 software Wireless Assistant 5 T troubleshooting 17 WwW Wireless Assistant software 3 5 wireless button 3 wireless controls button 3 operating system 3 Wireless Assistant software 3 wireless devices types 1 wireless icon 2 wireless light 3 wireless network WLAN connecting 10 corporate WLAN connection 10 described 1 equipment needed 8 functional range 10 public WLAN connection 10 security 9 WLAN 7 WLAN device 1 WWAN device 12
8. ese steps 1 Be sure that the WLAN device is on If it is on the wireless light is on If the wireless light is off press the wireless button NOTE On some models the wireless light is amber when all wireless devices are off 2 Select Start gt Connect to 3 Select your WLAN from the list and then type the network security key if required e f the network is unsecured meaning that anyone can access the network a warning is displayed Click Connect Anyway to accept the warning and complete the connection e Ifthe network is a security enabled WLAN you are prompted to enter a network security key which is a security code Type the code and then click Connect to complete the connection NOTE Ifno WLANs are listed you are out of range of a wireless router or access point NOTE If you do not see the network you want to connect to click Set up a connection or network A list of options is displayed You can choose to manually search for and connect to a network or to create a new network connection 4 After the connection is made place the mouse pointer over the wireless network connection icon in the notification area at the far right of the taskbar to verify the name speed strength and status of the connection NOTE The functional range how far your wireless signals travel depends on WLAN implementation router manufacturer and interference from other electronic devices or structural barriers such
9. ew technologies are being developed by wireless manufacturers and hotspot service providers that make the public environment more secure and anonymous If you are concerned about the security of your computer in a hotspot limit your network activities to noncritical e mail and basic Internet surfing 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 Personal 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 e Use a wireless transmitter with built in security Many wireless base stations gateways or 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 e Work behind a firewall A firewall is a barrier that checks both data and requests for data that are sent to your network and discards any suspicious items Firewalls are available in many varieties both software and hardware Some networks use a combination of both types e Use wireless encryption A variety of sophisticated encryption protocols is available f
10. fan x is superimposed over the network status icon one or more of your WLAN or LAN drivers are installed but the computer is not connected e If there is no network status icon in the notification area follow these steps 1 Click Start and type network and sharing in the Start Search box 2 From the list of search results click Network and Sharing Center 3 Inthe left pane click Diagnose and repair The Network connections window is displayed and Windows resets your network device and then attempts to reconnect to one of the preferred networks Cannot connect to a preferred network 19 Network status icon is not displayed If the network status icon is not displayed in the notification area after you configure the WLAN the software driver is either missing or corrupted A Windows Device not Found error message may also be displayed The driver must be reinstalled Get the latest version of the WLAN device software and drivers for your computer from the HP Web site at http www hp com If the WLAN device you are using was purchased separately consult the manufacturer s Web site for the latest software To get the latest version of the WLAN device software for your computer follow these steps 1 Open your Internet browser and go to http www hp com support 2 Select your country or region 3 Click the option for software and driver downloads and then type your computer model number in the search box 4 Press ente
11. icates directly with other devices and devices must be relatively close together typically within 10 meters approximately 33 feet of each other Computers with WLAN devices support one or more of the following IEEE industry standards e 802 11b the first popular standard supports data rates of up to 11 Mbps and operates ata frequency of 2 4 GHz e 802 11g supports data rates of up to 54 Mbps and operates at a frequency of 2 4 GHz An 802 11g WLAN device is backward compatible with 802 11b devices so they can operate on the same network e 802 11a supports data rates of up to 54 Mbps and operates at a frequency of 5 GHz NOTE 802 11a is not compatible with 802 11b and 802 11g e 802 11n supports data rates of up to 450 Mbps and may operate at 2 4 GHz or 5 GHz making it backward compatible with 802 11a b and g For more information on wireless technology refer to the information and Web site links provided in Help and Support Identifying wireless and network status icons 2 Icon Name Description Wireless connected p Identifies the location of the wireless lights and the wireless buttons on the computer Also identifies the Wireless Assistant software on the computer and indicates that one or more of the wireless devices are on t l 3 Wireless disconnected Identifies the Wireless Assistant software on the computer and indicates that all of the wireless devices are off Wireles
12. ll office WLAN typically uses a wireless router which allows several wireless and wired computers to share an Internet connection a printer and files without requiring additional pieces of hardware or software To use the WLAN device in your computer you must connect to a WLAN infrastructure provided through a service provider or a public or corporate network Setting up a WLAN To set up a WLAN and connect to the Internet you need the following equipment e A broadband modem either DSL or cable 1 and high speed Internet service purchased from an Internet service provider ISP e A wireless router purchased separately 2 e The wireless computer 3 The illustration below shows an example of a wireless network installation that is connected to the Internet S As your network grows additional wireless and wired computers can be connected to the network to access the Internet For help in setting up your WLAN refer to the information provided by your router manufacturer or your ISP 8 Chapter 2 Using a WLAN Protecting your WLAN Because the WLAN standard was designed with only limited security capabilities basically to foil casual eavesdropping rather than more powerful forms of attack it is essential to understand that WLANs are vulnerable to well known and well documented security weaknesses WLANs in public areas or hotspots like coffee shops and airports may not provide any security N
13. m connecting to a WLAN confirm that the integrated WLAN device is properly installed on your computer NOTE Windows includes the User Account Control feature to improve the security of your computer You may be prompted for your permission or password for tasks such as installing software running utilities or changing Windows settings Refer to Help and Support for more information 1 Select Start gt Computer gt System properties 2 Inthe left pane click Device Manager 3 Identify the WLAN device from the Network adapters list The listing fora WLAN device may include the term wireless wireless LAN WLAN or 802 117 If no WLAN device is listed either your computer does not have an integrated WLAN device or the driver for the WLAN device is not properly installed For more information on troubleshooting WLANs refer to the Web site links provided in Help and Support 18 Chapter 5 Troubleshooting wireless connection problems Cannot connect to a preferred network Windows can automatically repair a corrupted WLAN connection e _ If there is a network status icon in the notification area at the far right of the taskbar right click the icon and then click Diagnose and repair from the menu NOTE To display the network status icon click the Show Hidden Icons icon lt or lt lt in the notification area Windows resets your network device and attempts to reconnect to one of the preferred networks e I
14. models the wireless light is amber when all wireless devices are off Because the wireless devices are enabled at the factory you can use the wireless button to turn on or turn off the wireless devices simultaneously Individual wireless devices can be controlled through Wireless Assistant software select models only 4 Chapter 1 Using wireless devices select models only Using Wireless Assistant software select models only A A wireless device can be turned on or off using the Wireless Assistant software If a wireless device is disabled by the Setup Utility it must be reenabled by the Setup Utility before it can be turned on or off using Wireless Assistant NOTE Enabling or turning on a wireless device does not automatically connect the computer to a network or a Bluetooth enabled device To view the state of the wireless devices position the mouse pointer over the wireless icon in the notification area at the far right of the taskbar NOTE To display the Wireless icon click the Show Hidden Icons icon lt or lt lt in the notification area If the wireless icon is not displayed in the notification area complete the following steps to change Wireless Assistant properties 1 Select Start gt Control Panel gt Mobile PC gt Windows Mobility Center 2 Click the wireless icon in the Wireless Assistant tile which is located in the bottom left corner of Windows Mobility Center 3 Click Propertie
15. nd how to activate service with a preferred mobile network operator refer to the HP Mobile Broadband information included with your computer For additional information see the HP Web site at htto www hp com go mobilebroadband US only 12 Chapter 3 Using HP Mobile Broadband select models only Inserting a SIM A CAUTION To prevent damage to the connectors use minimal force when inserting a SIM To insert a SIM 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 Close the display Disconnect all external devices connected to the computer Unplug the power cord from the AC outlet Turn the computer upside down on a flat surface with the battery bay toward you Remove the battery oY a oe Oe 6 Insert the SIM into the SIM slot and gently push the SIM into the slot until it is firmly seated 8 Replace the battery NOTE HP Mobile Broadband will be disabled if the battery is not replaced 9 Reconnect external power 10 Reconnect external devices 11 Turn on the computer InsertingaSIM 13 Removing a SIM To remove a SIM 1 NO S p e o 10 11 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 sy
16. nnect to the Internet using the Bluetooth network The strength of Bluetooth is in synchronizing information transfers between your computer and wireless devices including cellular phones printers cameras and PDAs The inability to consistently connect two or more computers to share the Internet through Bluetooth is a limitation of Bluetooth and the Windows operating system 16 Chapter 4 Using Bluetooth wireless devices select models only 5 Troubleshooting wireless connection problems Some possible causes for wireless connection problems include the following e Wireless device is not installed correctly or has been disabled e Wireless device or router hardware has failed e Network configuration SSID or security has been changed e Wireless device encountered interference from other devices NOTE Wireless networking devices are included with select computer models only If wireless networking is not listed in the feature list on the side of the original computer package you may add wireless networking capability to the computer by purchasing a wireless networking device Before working your way through the sequence of possible solutions to your network connection problem be sure that device drivers are installed for all wireless devices Use the procedures in this chapter to diagnose and repair a computer that does not connect to the network you want to use 17 Cannot connect to a WLAN If you have a proble
17. or your WLAN Find the solution that works best for your network security o Wired Equivalent Privacy WEP is a wireless security protocol that encodes or encrypts all network data before it is transmitted using a WEP key 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 e 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 Ifyour 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 Protecting your WLAN 9 Connecting to a WLAN To connect to the WLAN follow th
18. r and then follow the on screen instructions NOTE Ifthe WLAN device you are using was purchased separately consult the manufacturer s Web site for the latest software 20 Chapter 5 Troubleshooting wireless connection problems Current network security codes are unavailable If you are prompted for a network key or an SSID when connecting to a WLAN the network is protected by security You must have the current codes to make a connection on a secure network The SSID and network key are alphanumeric codes that you enter into your computer to identify your computer to the network e Fora network connected to your personal wireless router review the router user guide for instructions on setting up the same codes on both the router and the WLAN device e Fora private network such as a network in an office or at a public Internet chat room contact the network administrator to obtain the codes and then enter the codes when prompted to do so Some networks change the SSID or network keys used in their routers or access points on a regular basis to improve security You must change the corresponding code in your computer accordingly If you are provided with new wireless network keys and SSID for a network and if you have previously connected to that network follow the steps below to connect to the network 1 Select Start gt Network gt Network and Sharing Center gt Manage wireless networks A list showing the available WL
19. s 4 Select the check box next to HP Wireless Assistant icon in notification area 5 Click Apply For more information refer to the Wireless Assistant software Help 1 Open Wireless Assistant by clicking the wireless icon in Windows Mobility Center 2 Click the Help button Using Wireless Assistant software select models only 5 Using operating system controls Some operating systems also offer a way to manage integrated wireless devices and the wireless connection For example Windows provides the Network and Sharing Center that allows you to set up a connection or network connect to a network manage wireless networks and diagnose and repair connections To access the Network and Sharing Center click Start gt Control Panel gt Network and Internet gt Network and Sharing Center For more information click Start gt Help and Support 6 Chapter 1 Using wireless devices select models only 2 Using a WLAN With a WLAN device you can access a wireless local area network WLAN which is composed of other computers and accessories that are linked by a wireless router or a wireless access point amp NOTE The terms wireless router and wireless access point are often used interchangeably e A large scale WLAN such as a corporate or public WLAN typically uses wireless access points that can accommodate a large number of computers and accessories and can separate critical network functions e A home or sma
20. s network connection connected Indicates that one or more of your WLAN devices are connected to the network Wireless network connection disconnected Indicates that one or more of your WLAN devices are not connected to a network Network status connected Indicates that one or more of your LAN drivers are installed and one or more LAN devices are connected to the network Network status disconnected Chapter 1 Using wireless devices select models only Indicates that one or more of your LAN drivers are installed but no LAN devices are connected to the network Using the wireless controls You can control the wireless devices in your computer using these features e Wireless button or wireless switch referred to in this guide as the wireless button e Wireless Assistant software select models only e Operating system controls Using the wireless controls 3 Using the wireless button The computer has a wireless button one or more wireless devices and one or two wireless lights depending on the model All of the wireless devices on your computer are enabled at the factory so the wireless light is on blue when you turn on the computer The wireless light indicates the overall power state of your wireless devices not the status of individual devices If the wireless light is blue at least one wireless device is on If the wireless light is off all wireless devices are off NOTE On some
21. stem Close the display Disconnect all external devices connected to the computer Unplug the power cord from the AC outlet Turn the computer upside down on a flat surface with the battery bay toward you Remove the battery Press in on the SIM 1 and then remove it from the slot 2 Replace the battery Reconnect external power Reconnect external devices Turn on the computer 14 Chapter3 Using HP Mobile Broadband select models only 4 Using Bluetooth wireless devices select models only A Bluetooth device provides short range wireless communications that replace the physical cable connections that traditionally link electronic devices such as the following e Computers desktop notebook PDA e Phones cellular cordless smart phone e Imaging devices printer camera e Audio devices headset speakers Bluetooth devices provide peer to peer capability that allows you to set up a personal area network PAN of Bluetooth devices For information on configuring and using Bluetooth devices refer to the Bluetooth software Help 15 Bluetooth and Internet Connection Sharing ICS HP does not recommend setting up one computer with Bluetooth as a host and using it as a gateway through which other computers may connect to the Internet When two or more computers are connected using Bluetooth and Internet Connection Sharing ICS is enabled on one of the computers the other computers may not be able to co
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