HP B5A04UAR#ABA 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

84 Chapter 13 Troubleshooting and support

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Contents User Guide Product notice Safety warning notice Iv Safety warning notice Table of contents Enjoying entertainment features Locating your security software Using passwords Vii Using Setup Utility Bios and System Diagnostics Input power Operating environment Page Starting right Best practicesFun things to do Resource Contents More HP resourcesFinding your hardware and software information Getting to know your computerRight side See Using HP 3D DriveGuard select models only Left side Computer speakers are disabled Display Communication and Chat CyberLink YouCamTop TouchPadLights Buttons and speakers Keys Fn keyBottom Labels Connecting to a network Using the wireless button Connecting to a wireless networkUsing the wireless controls Using HP Connection ManagerUsing operating system controls Using a WlanUsing an Internet service provider Configuring a wireless router Setting up a WlanProtecting your Wlan Using Bluetooth wireless devices select models only Connecting to a WlanConnecting to a wired network Connecting to a local area network LANEnjoying entertainment features Multimedia FeaturesEnjoying entertainment features Using the webcam Using audioUsing video Connecting a VGA monitor or projectorConnecting an Hdmi TV or monitor Configuring audio settings with Hdmi TV Managing your photo, audio, and video filesUsing the keyboard and pointing devices Using ALT GR key combinations Using the keyboardUsing the action keys Using the hot keys Function Hot key DescriptionUsing the keypad Using the integrated numeric keypadUsing the TouchPad Turning the TouchPad off or onNavigating SelectingUsing TouchPad gestures Scrolling Pinching/ZoomingRotating Managing power Initiating and exiting Sleep Using Sleep or HibernationInitiating and exiting Hibernation Setting password protection on wakeup Using 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 battery Replacing a user-replaceable batteryRunning on external power HP CoolSense Shutting down the computerConnecting a USB device Using a USB deviceManaging and sharing information Connecting a powered USB device Removing a USB deviceInserting and removing a digital storage card Using optical drives Inserting an optical disc Removing an optical discSharing drives on the network Improving performance Maintaining your computerHandling drives Replacing a hard drive Page Using Disk Defragmenter Using HP 3D DriveGuard select models onlyUsing Disk Cleanup Adding or replacing memory modules Page 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 Locating your security softwareUsing passwords Setting Windows passwordsUsing Internet security software Setting Setup Utility Bios passwordsUsing firewall software Installing software updatesUsing antivirus 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 version Downloading a Bios updateUsing System Diagnostics Creating recovery media to recover the original system Backing up, restoring, and recoveringCreating backups What you need to knowCreating system restore points Creating a system restore pointTips for a successful backup Backing up system and personal informationCreating a backup using Windows Backup and Restore Recovering the original system using HP Recovery Manager Restore and recoveryRestoring to a previous system restore point Restoring specific files using Windows Backup and RestoreRecovering using HP Recovery partition select models only Recovering using the recovery mediaChanging the computer boot order Specifications Input powerOperating environment Troubleshooting and support Disc drive problems Troubleshooting Wireless connection problems Cannot connect to a preferred network Cannot connect to a WlanCurrent network security codes are unavailable Cannot connect to the wireless router Wlan connection is very weakPower management problems Audio problemsNetwork status icon is not displayed Resolving a low battery level Troubleshooting an AC adapterContacting customer support Electrostatic Discharge Bios IndexWlan