HP CQ32 manual Networking, Using wireless devices

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2 Networking

Using wireless devices

Wireless technology transfers data across radio waves instead of wires. Your computer may be equipped with one or more of the following wireless devices:

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.

Bluetooth device (select models only)—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 communicates 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:

802.11b, the first popular standard, supports data rates of up to 11 Mbps and operates at a frequency of 2.4 GHz.

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.

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.

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.

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Contents Compaq Presario Notebook PC Product notice Safety warning notice Iv Safety warning notice Table of contents Pointing devices and keyboard Power management Drives 101 111 Identifying hardware FeaturesTop components ComponentsTouchPad Lights Button and speakers Fn key KeysDisplay Front component Right-side components Left-side components Rear component Bottom components Wireless antennas Additional hardware components Labels Networking Using wireless devicesUsing the wireless controls Identifying wireless and network status iconsUsing the wireless action key Using operating system controls Using HP Wireless AssistantSetting up a Wlan Using a WlanProtecting your Wlan Use a wireless transmitter with built-in securityRoaming to another network Connecting to a WlanBluetooth and Internet Connection Sharing ICS Using Bluetooth wireless devices select models onlyCannot connect to a Wlan Troubleshooting wireless connection problemsNetwork icon is not displayed Cannot connect to a preferred wireless networkCurrent network security codes are unavailable Wlan connection is very weak Cannot connect to the wireless routerConnecting to a local area network Setting pointing device preferences Using pointing devicesUsing the TouchPad Pointing devices and keyboardSelecting Scrolling Using TouchPad gesturesRotating Connecting an external mouseUsing the action keys Using the keyboardIcon Function Hotkey Description Using the hotkeysPage Cleaning the TouchPad and keyboard Multimedia Multimedia featuresEnvironmental Notices Identifying your multimedia componentsAdjusting the volume Using the media activity action keys Using other preinstalled multimedia software Using CyberLink PowerDVD softwareInstalling multimedia software from a disc Multimedia softwareAudio Connecting external audio devicesChecking your audio functions Video Connecting an external monitor or projectorConnecting an Hdmi device select models only Configuring audio for Hdmi select models only Optical drive Identifying the installed optical driveDVD±RW/R Using optical discsCD-R discs Selecting the right discCD-RW discs DVD±R discsLightScribe DVD+R discs Playing a CD, DVD, or BDBlu-ray Disc Page Changing DVD region settings Configuring AutoPlayCopying a CD or DVD Observing the copyright warningCreating burning a CD or DVD Removing an optical disc CD, DVD, or BD Webcam tips Webcam select models onlyAdjusting webcam properties Troubleshooting 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 erraticallyRemove any discs from the optical drive Obtaining the latest Windows device drivers Obtaining the latest HP device driversSetting power options Power managementUsing power-saving states Initiating and exiting SleepUsing power plans Using the battery meterInitiating and exiting Hibernation Selecting a different power plan Viewing the current power planCustomizing power plans Connecting the AC adapter Using external AC powerTesting an AC adapter Using battery powerFinding battery information in Help and Support Displaying the remaining battery chargeUsing Battery Check Inserting or removing the batteryCharging a battery Managing low battery levels Maximizing battery discharge timeIdentifying low battery levels Resolving a low battery level Calibrating a batteryFully charge the battery Discharge the battery Disable Hibernation and SleepStoring a battery Conserving battery powerFully recharge the battery Reenable Hibernation and SleepReplacing the battery Disposing of a used batteryShutting down the computer Page Drives Identifying installed drivesHandling drives Using external drives Page Using Disk Cleanup Using Disk DefragmenterImproving hard drive performance Replacing the hard drive Page Page Page Connecting a USB device Using a USB deviceExternal devices and external media cards Removing a USB device Inserting a digital card Using Digital Media Slot cardsRemoving a digital card Memory modules Page Page Page Security Using passwordsProtecting the computer Setting passwords in Setup Utility Setting passwords in WindowsPower-on password Administrator passwordManaging a power-on password Using antivirus software Using firewall software Installing critical updates Starting Setup Utility Setup Utility BiosChanging the language of Setup Utility Using Setup UtilityNavigating and selecting in Setup Utility Displaying system information Restoring default settings in Setup UtilityExiting Setup Utility Setup Utility menusMain menu Security menuDiagnostics menu System Configuration menuSoftware updates Determining the Bios version Updating the BiosDownloading a Bios update Updating programs and drivers Backup and recovery Creating recovery discs Backing up your information Using Windows Backup and Restore When to create restore points Using system restore pointsCreate a system restore point Restore to a previous date and timeRecovering from the recovery discs Performing a recoveryIndex Symbols/NumericsDVD Hdmi
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