Question about HP (400745-001) Sound Card

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I have no sound, speaker with x thru it says " No audio output device installed" However under drivers the drivers are listed. CD rom is also acting funny. Sometimes when I do boot the system the sound works but most of the time not. The whole Game, audio, etc is missing most of the time but will reappear at times and the sound will work. I have a dv6604nr

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Go to the HP support site. I've got the link for your laptop

http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?product=3548343&lc=en&cc=us&dlc=en&submit.y=9&submit.x=12&lang=en&cc=us

Choose the operating system you use and under Hardware - Audio choose the latest audio driver adn install it.

Incase you feel uncomfortable using that link here is the link to the HP support site home page

http://welcome.hp.com/country/us/en/support.html

Enter your model number in the search box and choose "Download drivers and software (and firmware)" and hit search.

I hope this helps.

Posted on Mar 14, 2011

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if you are having problems with your sound
if your computer came with a motherboard disc the sound drivers could be on it
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Our Compaq desktop computer has internal speakers. For some reason there is no playback sound coming from them though. We bought a new, green audio cord to connect to the CPU and monitor. This still...


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Im trying to watch a dvd and there is no sound


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control panel sounds and audio,volume,advanced,speakers select appropriate speakers or
audio you will find 3 drop down lists make the necessary adjustments there or
control panel,administrive tools,computer management,device manager,sound video and game controllers could be a yellow question mark? right click to re-install drivers

or

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Why am i only getting sound when i play a cd?


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2 Answers

Audio CD sound Prob


Various conditions may cause this problem. To troubleshoot, check the following:Microsoft Volume Control or your mixer program mute options and volume sliders. 
Connect headphones to the stereo phone jack on your CD-ROM drive’s front panel; adjust the volume control settings on the drive. If there is sound from your headphones, check the CD audio cable connection from the CD-ROM drive to the audio card. 
Ensure the speakers are properly connected to the audio card’s output connector. 
Joystick port is not working 
To troubleshoot, check the following:
The audio card joystick port conflicts with another joystick port in the system. Disable the audio card joystick port, and use the system’s joystick port. 
The joystick drivers, MSJSTICK.DRV and VJOYD.VXD, may not be installed. Uninstall the joystick, then reinstall to load the drivers. The drivers should come with the driver CD or floppy diskette with your sound card.
Computer hangs or restarts during installation
A hardware conflict may cause the computer to hang or restart during the installation procedure. Check the following to resolve the conflict:
A hardware conflict with another device in your system. 
Previously installed sound card hardware or software needs to be removed. 
The audio card is not seated in the slot properly. 
PCI bus mastering devices may be interfering with the operation of the audio card. Temporarily remove non-essential PCI bus mastering devices.
Resolving hardware conflicts
Hardware conflicts occur when two or more devices contend for the same resources. Conflicts between your audio card and another device may occur regarding the I/O address, IRQ line, or DMA channel:
Right-click the My Computer icon on your desktop, and select Properties. The System Properties dialog appears. 
Click the Device Manager tab. In the Device Manager, a plus sign(+) represents an expandable list of items. A minus sign (-) represents an expanded list. A circled exclamation mark denotes a conflict. 
Double-click Sound, video, game controllers. A list of multimedia devices appears. 
Select your audio card. 
Choose the Propertis button. 
Click the Resources tab. 
Uncheck the Use automatic settings option. 
Change "Settings based on:" if alternate settings are available. 
Determine the conflict by reviewing the "Conflicting device list".
Select the conflicting item in the "Resource Settings" list. 
Click the Change Settings button. 
Use the mouse to select a new setting. 
Select OK to close each of the properties windows, and restart your computer.
Audio card is not automatically detected
To manually configure your audio card for Windows 95/98:
Click "Start" on the taskbar, and select Settings from the Start menu. 
Select Control Panel. The Control Panel group appears. 
Double-click the Add New Hardware icon. The Add New Hardware Wizard dialog appears. 
Select Next to continue. 
Choose Yes to have Windows search for new hardware, then select Next 
Select Next to continue. 
Select Finish, and follow the prompts to complete the new hardware installation.
CD does not automatically run when you insert it in the drive
To enable the "Audio insert notification" feature:
Right-click the My Computer icon on your desktop, and select Properties. The System Properties dialog appears. 
Click the Device Manager tab. A list of devices appears. 
Double-click CD-ROM, and select your CD-ROM drive. 
Choose the Properties button. The CD-ROM drive properties dialog appears. 
Choose the Settings tab. 
Click the "Auto insert notification" option to enable. 
Select OK until all Properties dialogs are closed, and restart Windows for the changes to take effect.
No sound is heard from speakers
Verify the following:
Check the Microsoft Volume Control or the Audio Mixer Program mute options and volume sliders. 
Ensure the speakers are properly connected to the audio card’s output connector. 
Check the volume control and power connection of the speakers, if they are amplified. (Refer to the speakers documentation for detailed information). 
Ensure a hardware conflict does not exist between your audio card and another device in your system. 
PCI bus mastering devices may be interfering with the operation of the audio card. Temporarily remove non-essential PCI bus mastering devices. If the device is a display card, upgrade the display card drivers, or set the card to the default Windows VGA mode.
If you are experiencing no sound only during audio CD playback, see "No sound is heard from audio (music) CDs" above.

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Check to see if the static sounds are heard in all wave files. If the difficulty occurs only with certain games, refer to the software manufacturer’s documentation. To troubleshoot static sounds heard in all wave files:
Try different resource settings for the audio card, or set the card to use low DMA. 
Move the audio card to another PCI slot. Feedback from the power supply or another device may be responsible.

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3 Answers

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You need to install the correct version of the sound drivers from the MSI website under your motherboard type. Third party or from Realtek sound drivers won't make you sound chip works. If after installing sound drivers from MSI website still don't work then your on board sound chip colud be defective.

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