HP dv7-7135us Audio problems, Power management problems, Network status icon is not displayed

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If the computer still cannot make a connection to a WLAN, restart the wireless router. For details, see the router manufacturer's instructions.

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 website at http://www.hp.com. If the WLAN device you are using was purchased separately, consult the manufacturer's website 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 enter, and then follow the on-screen instructions.

NOTE: If the WLAN device you are using was purchased separately, consult the manufacturer's website for the latest software.

Audio problems

To check the audio functions on your computer, follow these steps:

1.Select Start > Control Panel > Hardware and Sound > Sound.

2.When the Sound window opens, click the Sounds tab. Under Program Events, select any sound event, such as a beep or alarm, and click the Test button.

You should hear sound through the speakers or through connected headphones.

To check the recording functions on your computer, follow these steps:

1.Select Start > All Programs > Accessories > Sound Recorder.

2.Click Start Recording and speak into the microphone. Save the file to your desktop.

3.Open a multimedia program and play back the sound.

To confirm or change the audio settings on your computer, select Start > Control Panel > Hardware and Sound > Sound.

Power management problems

Some possible causes for power management problems include the following:

●Low battery levels

●AC adapter problems

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Contents User Guide Software terms Product noticeSafety warning notice Iv Safety warning notice Table of contents Using Sleep or Hibernation Managing and sharing information Securing your computer and information Input power Operating environment Page Best practices Starting rightFun things to do More HP resources Resource ContentsFinding your hardware and software information Getting to know your computerFront Component DescriptionRight side Using Sleep or Hibernation onGetting to know your computer Left side Rear Communication and Chat CyberLink YouCam DisplayTouchPad TopSleep or Hibernation on LightsButtons, speakers, and fingerprint reader Or see Managing power onBy selecting Start Control Panel Hardware KeysSound Beats Audio Control Panel Num lock key Bottom Component LabelsConnecting to a wireless network Connecting to a networkUsing the wireless controls Using HP Connection Manager select models only Using the wireless buttonUsing operating system controls Using an Internet service provider Using a WlanConfiguring a wireless router Setting up a WlanProtecting your Wlan Connecting to a Wlan Using Bluetooth wireless devices select models onlyConnecting to a local area network LAN Multimedia Features Enjoying entertainment featuresUsing audio Using the webcamConnecting headphones Connecting speakersConnecting a microphone Using Beats AudioConnecting a VGA monitor or projector Using videoChecking the sound IconDefinitionConnecting an Hdmi TV or monitor Configuring audio settings with Hdmi TV Managing your audio and video files Using Intel Wireless Display select models onlyUsing the keyboard and pointing devices Using ALT GR key combinations Using the keyboardUsing the action keys Icon Key DescriptionFunction Hot key Description Using the hot keysSelect Start Control Panel Hardware and Sound Beats Audio Control PanelUsing the integrated numeric keypad Using the keypadTurning the TouchPad off or on Using the TouchPadSelecting NavigatingUsing TouchPad gestures Pinching/Zooming ScrollingFlicking RotatingManaging power Initiating and exiting Sleep Using Sleep or HibernationInitiating and exiting Hibernation Setting password protection on wakeupUsing the power meter Selecting a power plan Removing a user-replaceable battery Running on battery powerFinding battery information Identifying low battery levels Conserving battery powerStoring a user-replaceable battery Disposing of a user-replaceable batteryReplacing a user-replaceable battery Running on external powerUsing HP CoolSense select models only Select Start Shut down Shutting down the computerConnecting a USB device Using a USB deviceManaging and sharing information Type DescriptionRemoving a USB device Connecting a powered USB deviceInserting and removing digital storage cards Using optical drives Removing an optical disc Inserting an optical discSharing drives on the network Improving performance Maintaining your computerHandling drives Replacing a hard drive Page Using Disk Defragmenter Using HP 3D DriveGuardUsing Disk Cleanup Adding or replacing memory modules Page Page Updating programs and drivers Cleaning the display, sides, and cover Cleaning your computerCleaning the TouchPad and keyboard Traveling with or shipping your computer Securing your computer and information Computer risk Security featureLocating your security software Setting Windows passwords Using passwordsPassword Function Setting Setup Utility Bios passwords Using the fingerprint readerUsing HP SimplePass Using Internet security softwareUsing your registered fingerprint to log on to Windows Registering fingerprintsUsing antivirus software Installing software updatesUsing firewall software Installing Windows security updatesUsing an optional security cable lock Securing your wireless networkBacking up your software applications and information Starting Setup Utility Bios Using Setup Utility Bios and System DiagnosticsUpdating the Bios Determining the Bios versionSelect Start Help and Support Maintain Downloading a Bios updateUsing System Diagnostics Creating backups Backing up, restoring, and recoveringCreating recovery media to recover the original system What you need to knowCreating a system restore point Creating system restore pointsBacking up system and personal information Tips for a successful backupCreating a backup using Windows Backup and Restore Restoring to a previous system restore point Restore and recoveryRecovering the original system using HP Recovery Manager Restoring specific files using Windows Backup and RestoreRecovering using the recovery media Recovering using HP Recovery partition select models onlyChanging the computer boot order Input power SpecificationsInput power Rating Operating environment Troubleshooting and support Disc drive problems TroubleshootingWireless connection problems Cannot connect to a preferred network Cannot connect to a WlanCurrent network security codes are unavailable Wlan connection is very weak Cannot connect to the wireless routerPower management problems Audio problemsNetwork status icon is not displayed Troubleshooting an AC adapter Resolving a low battery levelContacting customer support Electrostatic Discharge Index BiosHdmi