HP dv4-1225dx manual

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Be sure that you are using the right kind of disc for your drive. See your user guides for more information about disc types.

Be sure that the disc is inserted properly.

Select a slower write speed and try again.

If you are copying a disc, save the information on the source disc to your hard drive before trying to burn the contents to a new disc, and then burn from your hard drive.

Reinstall the disc-burning device driver located in the DVD/CD-ROM drives category in Device Manager.

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

Use MediaSmart to play a DVD. MediaSmart 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.Click Start and type device manager in the Start Search box. As you type, search results are listed in the pane above the box.

3.In the results pane, click Device Manager. If prompted by User Account Control, click Continue.

4.In Device Manager, click the plus sign (+) next to the type of driver you want to uninstall and reinstall (for example, DVD/CD-ROMs, Modems, and so on) unless the minus sign (-) is already showing.

5.Click a listed driver, and press the delete key. When prompted, confirm that you want to delete the driver, but do not restart the computer.

Repeat for any other drivers you want to delete.

6.In the Device Manager window, click the Scan for hardware changes icon in the toolbar. 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.

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

8.Try running your program again.

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

26 Chapter 7 Troubleshooting

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Contents Multimedia Product notice Table of contents Webcam Troubleshooting Multimedia features Identifying your multimedia componentsMultimedia features Using the MediaSmart button Adjusting the volumeUsing the media activity functions Click the Notification Area tabUsing the media activity buttons Previous/rewind buttonUsing the media activity hotkeys Next/fast forward buttonUsing HP MediaSmart software Using other preinstalled multimedia softwareMultimedia software Installing multimedia software from a disc Checking your audio functions Connecting external audio devicesAudio Select Start Control Panel Click Hardware and SoundSelect Start All Programs Accessories Sound Recorder Connecting an external monitor or projector VideoConnecting an Hdmi device Configuring the audio using HdmiSelect Start Computer System properties Watching TV select models only Select Start Control Panel Hardware and Sound Sound iconPage Optical drive Identifying the installed optical driveUsing optical discs Select Start ComputerSelecting the right disc CD-R discsCD-RW discs DVD±RW discs Playing musicDVD±R discs LightScribe DVD+R discsWatching a movie Changing DVD region settings Creating or burning a CD or DVD Removing an optical disc CD or DVD Webcam Troubleshooting Optical disc tray does not open for removal of a CD orComputer does not detect the optical drive Disc does not playDisc does not play automatically DVD movie stops, skips, or plays erraticallyDVD movie is not visible on an external display Page Obtaining the latest HP device drivers Select Start All Programs HP HP UpdateClick Security & Updates Obtaining the latest Windows device driversPage Index DVD