HP dm4-1162us, dm4-1160us Troubleshooting wireless connection problems, Cannot connect to a Wlan

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Troubleshooting wireless connection problems

Some possible causes for wireless connection problems include the following:

Network configuration (SSID or security) has been changed.

Wireless device is not installed correctly or has been disabled.

Wireless device or router hardware has failed.

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.

Cannot connect to a WLAN

If you have a problem 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 > Control Panel > System and Security.

2.In the System area, click Device Manager.

3.Click the arrow next to Network adapters to expand the list and show all adapters.

4.Identify the WLAN device from the Network adapters list. The listing for a WLAN device may include the terms wireless, wireless LAN, WLAN, Wi-Fi, or 802.11.

If no WLAN device is listed, either your computer does not have an integrated WLAN device, or the driver of the WLAN device is not properly installed.

For more information on troubleshooting WLANs, refer to the Web site links provided in Help and Support.

Cannot connect to a preferred WLAN network

Windows can automatically repair a corrupted WLAN connection:

If there is a network icon in the notification area, at the far right of the taskbar, right-click the icon, and then click Troubleshoot problems.

Windows resets your network device and attempts to reconnect to one of the preferred networks.

If there is no network icon in the notification area, follow these steps:

1.Select Start > Control Panel > Network and Internet > Network and Sharing Center.

2.Click Troubleshoot problems and select the network you wish to repair.

20 Chapter 2 Networking

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Contents HP Pavilion Notebook PC Product notice Safety warning notice Iv Safety warning notice Table of contents Pointing devices and keyboard Power management Drives Disabling and enabling QuickWeb 104 Top components FeaturesIdentifying the hardware TouchPadComponent Description Power light White Power is on LightsPower button and fingerprint reader Panel System and Security Power OptionsKeys Fn keyFront components Right-side componentsLeft-side components Display components Wireless antennas Bottom componentsComponent Description Labels Additional hardware componentsComponent Description Networking Using wireless devicesIdentifying wireless and network status icons Icon Name DescriptionUsing the wireless controls Using the wireless action keyUsing HP Wireless Assistant software Using a Wlan Using operating system controlsSetting up a Wlan Protecting your WlanConnecting to a Wlan Using HP Mobile Broadband select models only Roaming to another networkInserting a SIM Removing a SIM Using Bluetooth wireless devices Bluetooth and Internet Connection Sharing ICSTroubleshooting wireless connection problems Cannot connect to a WlanCannot connect to a preferred Wlan network Network icon is not displayed Current Wlan network security codes are unavailableConnecting to a local area network LAN Cannot connect to the wireless routerWlan connection is very weak Page Using the TouchPad Using pointing devicesSetting pointing device preferences Pointing devices and keyboardSelecting Using TouchPad gestures ScrollingUsing the action keys Connecting an external mouseIcon Action Description Using the hotkeys Cleaning the TouchPad and keyboard Icon Function Hotkey DescriptionPointing devices and keyboard Multimedia features MultimediaIdentifying your multimedia components Multimedia Using the media activity functions Using the media activity action keysMultimedia software Opening preinstalled multimedia software Using HP MediaSmart softwareUsing other multimedia software Audio Installing multimedia software from a discConnecting external audio devices Checking your audio functionsUsing the external monitor port Using the audio-out headphone jackUsing the audio-in microphone jack VideoConnecting an Hdmi device Identifying the installed optical drive Configuring audio for Hdmi select models onlyOptical drive CD-R discs Using optical discs CDs, DVDs, and BDsSelecting the right disc CDs, DVDs, and BDs LightScribe CD orPlaying a CD, DVD, or BD Configuring AutoPlay Changing DVD region settingsObserving the copyright warning Copying a CD or DVDCreating burning a CD, DVD, or BD Removing an optical disc CD, DVD, or BD Troubleshooting Computer does not detect the optical drivePreventing playback disruptions Disc does not playDisc does not play automatically Movie stops, skips, or plays erraticallyDevice driver must be reinstalled Movie is not visible on an external displayWebcam Obtaining the latest HP device driversAdjusting webcam properties Using power-saving states Power managementSetting power options Initiating and exiting SleepViewing the current power plan Using the battery meterUsing power plans Initiating and exiting HibernationSelecting a different power plan Using external AC powerSetting password protection on wakeup Customizing power plansConnecting the AC adapter Using battery power Testing an AC adapterIdentifying batteries Displaying the remaining battery charge Finding battery information in Help and SupportUsing Battery Check Inserting or removing the batteryPage Charging a battery Maximizing battery discharge timeManaging low battery levels Calibrating a battery Identifying low battery levelsResolving a low battery level Fully charge the battery Disable Hibernation and SleepDischarge the battery Fully recharge the batteryReenable Hibernation and Sleep Storing a battery Switching between graphics modes select models onlyConserving battery power Disposing of a used batteryShutting down the computer Click Shut downIdentifying installed drives DrivesHandling drives Using Disk Cleanup Using HP ProtectSmart Hard Drive ProtectionUsing Disk Defragmenter Improving hard drive performanceUsing HP ProtectSmart Hard Drive Protection software Identifying HP ProtectSmart Hard Drive Protection statusReplacing the hard drive Page Page Page Page External devices Using a USB deviceConnecting a USB device Removing a USB deviceUsing an eSATA device Connecting an eSATA deviceRemoving an eSATA device Page Using Digital Media Slot cards External media cardsInserting a digital card Removing a digital card Memory modules Adding or replacing memory modulesPage Page Upgrading a memory module in the primary memory module slot Page Page Page Security Using passwordsComputer risk Security feature Protecting the computerSetting passwords in Windows Setting passwords in Setup UtilityPassword Function Administrator password Managing an administrator passwordUsing antivirus software Power-on passwordUsing firewall software Installing critical security updatesInstalling an optional security cable Using the fingerprint reader Locating the fingerprint readerRegistering fingerprints Using your registered fingerprint to log on to Windows HP QuickWeb Disabling and enabling QuickWebUsing Setup Utility Setup UtilityStarting Setup Utility Changing the language of Setup UtilityNavigating and selecting in Setup Utility Restoring default settings in Setup UtilityDisplaying system information System Configuration menu Setup Utility menusExiting Setup Utility Main menuDiagnostics menu Primary Hard Disk Self TestSoftware updates Updating the BiosDetermining the Bios version Downloading a Bios update Updating programs and driversPage Backup and Recovery Creating recovery discsBacking up your information When to create restore points Using Windows Backup and RestoreUsing system restore points Create a system restore pointPerforming a recovery Recovering from the recovery discsRestore to a previous date and time Click System Recovery in the Recovery Manager window Symbols/Numerics IndexDVD-ROM SIM SSD