HP CQ41-204TX, CQ41-205TX, CQ41-206TX, CQ41-207TX manual Remove any discs from the optical drive

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A DVD playing in Windows Media Player produces no sound or display

Use DVD Play to play a DVD. DVD Play is installed on the computer, and is also available from the HP Web site at http://www.hp.com.

A device driver must be reinstalled

1.Remove any discs from the optical drive.

2.Select Start > Control Panel > System and Security. Then in the System area, click Device Manager.

3.In the Device Manager window, click the arrow next to the type of driver you want to uninstall and then reinstall (for example, DVD/CD-ROMs, Modems, and so on).

4.Right-click the device listing and click Uninstall. When prompted, confirm that you want to delete the device, but do not restart the computer. Repeat for any other drivers you want to delete.

5.In the Device Manager window, click Action, and then click Scan for hardware changes. Windows scans your system for installed hardware and installs default drivers for any devices requiring drivers.

NOTE: If you are prompted to restart the computer, save all open files, and then continue with the restart.

6.Reopen Device Manager, if necessary, and then verify that the drivers are once again listed.

7.Try running your program again.

If uninstalling and reinstalling the device drivers does not correct the problem, you may need to update your drivers using the procedures in the following sections.

Troubleshooting 55

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Contents Page Product notice Safety warning notice Iv Safety warning notice Table of contents Pointing devices and keyboard Multimedia Drives External devices and external media cards 117 Identifying hardware FeaturesTouchPad ComponentsTop components Components LightsFeatures Buttons and speakers Panel System and Security Power OptionsFn key KeysDisplay Rear component Front componentsRight-side components Left-side components Bottom components Wireless antennas Additional hardware components Labels Using wireless devices Wireless, local area network, and modemUsing the wireless button Identifying wireless and network status iconsUsing the wireless controls Using operating system controls Using HP Wireless AssistantSetting up a Wlan Using a WlanUse wireless encryption Use a wireless transmitter with built-in securityProtecting your Wlan Work behind a firewallRoaming 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 problemsCurrent network security codes are unavailable Cannot connect to a preferred networkNetwork icon is not displayed Wlan connection is very weak Cannot connect to the wireless routerConnecting a modem cable Using the modem select models onlyViewing the current location selection Connecting a country-specific modem cable adapterSelecting a location setting Select Start Devices and Printers Adding new locations when travelingCheck the telephone line type Solving travel connection problemsCheck for pulse or tone dialing Set the modem to ignore dial tonesClear the check box for Wait for dial tone before dialing Connecting to a local area networkPointing devices and keyboard Using the TouchPadConnecting an external mouse Setting TouchPad preferencesFunction Hotkey Using keyboard hotkeysOpening Help and Support Displaying system informationOpening a Web browser Switching the screen imageOpening the Print Options window Initiating QuickLock Initiating SleepDecreasing screen brightness Increasing screen brightnessStopping an audio CD or a DVD Playing, pausing or resuming an audio CD or a DVDPlaying previous track or section of an audio CD or a DVD Playing next track or section of an audio CD or a DVDNum lk key Using keypadsUsing an optional external numeric keypad Using the embedded numeric keypadSwitching key functions on the embedded numeric keypad Enabling and disabling the embedded numeric keypadCleaning the TouchPad and keyboard Multimedia Multimedia featuresEnvironmental Notices Identifying your multimedia componentsClick Customize notification icons Adjusting the volumeUsing the media activity hotkeys Using other preinstalled multimedia software Using DVD Play softwareInstalling multimedia software from a disc Multimedia softwareSelect Start All Programs Accessories Sound Recorder Connecting external audio devicesAudio Checking your audio functionsVideo Connecting an external monitor or projectorConnecting an Hdmi device Configuring audio for Hdmi Webcam tips Webcam select models onlyAdjusting webcam properties Troubleshooting Computer does not detect the optical drive Disc does not play automatically Select Advanced Settings Monitor tabDisc does not play DVD movie is not visible on an external display DVD 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 SleepInitiating and exiting Hibernation Using the battery meterSetting password protection on wakeup Using power plansViewing the current power plan Selecting a different power planUsing external AC power Connecting the AC adapter Testing an AC adapter Using Battery Check Using battery powerFinding battery information in Help and Support Inserting or removing the battery Displaying the remaining battery chargeCharging a battery Identifying low battery levels Maximizing battery discharge timeManaging low battery levels Resolving a low battery level Disable Hibernation and Sleep Calibrating a batteryFully charge the battery Reenable Hibernation and Sleep Discharge the batteryFully recharge the battery Storing a battery Conserving battery powerDisposing of a used battery Replacing the batteryClick Shut down Shutting down the computerHandling drives DrivesSelect Start Computer Identifying the installed optical driveOptical drive DVD±RW/R Using optical discsCD-R discs Selecting the right discCD-RW discs DVD±R discsBlu-ray Disc Playing a CD, DVD, or BDLightScribe DVD+R discs Select Start Default Programs Change AutoPlay settings Configuring AutoPlayChanging DVD region settings Copying a CD or DVD Select Start All Programs CyberLink DVD Suite Power2GoObserving the copyright warning Creating burning a CD or DVD Removing an optical disc CD, DVD, or BD Removing the optical drive Using external drives Improving hard drive performance Using Disk DefragmenterUsing Disk Cleanup Replacing the hard drive Page Page Tighten the hard drive cover screws Replacing the hard drive External devices and external media cards Using a USB deviceConnecting a USB device Removing a USB device Inserting a digital card Using Digital Media Slot cardsRemoving a digital card Memory modules Page Page Page Protecting the computer SecuritySetting passwords in Windows Using passwordsAdministrator password Setting passwords in Setup UtilityEntering an administrator password Power-on passwordUsing firewall software Using antivirus softwareInstalling an optional security cable Installing critical security updatesStarting Setup Utility Setup Utility BiosNavigating and selecting in Setup Utility Using Setup UtilityChanging the language of Setup Utility Restoring default settings in Setup Utility Exiting 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 Select Start All Programs Maintenance Backup and Restore Using Windows Backup and RestoreWhen 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 recoverySelect Start All Programs Recovery Manager Recovery Manager Click System Recovery in the Recovery Manager windowIndex Symbols/NumericsJacks Ssid Page Wlan label 14 Wlan module 11 writable media Index

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