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I installed an update to my computer last night and when i turned it on today it tells me no sound device is installed. I have an HP Pavilion dv6305us Entertainment Notebook PC. It runs on Windows Vista. Thank you very much for your help.

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Tell your PC to scan for hardware changes, and see if it will "discover" your sound device.
If it does, great, if it doesn't, reinstall the sound drivers.

If none of that works, do a system restore to just before the update you installed.
And remember not to install that update again.
You may also want to check the MS Knowledge Base to see if they have any special notes on the last update you installed. Just do a search on the update that was installed (you'll find it in the add / remove programs list).

Posted on Sep 20, 2008

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I have a hp notebook zd8000 pavilion.And last night i have lose the picture on screen.SO i have reinstall the video driver.But when it go to windows i have only the sound but not the picture.After hat i go...


I had this same problem and removed the driver and installed the driver from the original driver disk that came with the computer. The driver I downloaded from the HP site would not work. With the original driver the computer works fine - for now anyway.

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Cannot get any sound out of system in device manger it tells me the audio device is working properly. help appreciated. computer is hp pavilion a730n Lyle


Lyle,
You need to download the audio driver, and install it.
Just had to do this with my Gateway after a Restoration.

This is HP Support, and the main support page for the Pavilion a730n desktop computer,

http://h10025.www1.hp.com/ewfrf/wc/product?product=431078&lc=en&cc=us&dlc=en&submit.y=5&submit.x=1&lang=en&cc=us

On this page left-click on the heading -
Software and Driver Downloads. (Ampersand for and)

On this page choose your Operating System.
I chose Windows XP for an example.

(Left-click on the blue down arrow to the left of the box, that has Select in it. Then left-click on the Operating System your computer is using. Now left-click on Next)

Left-click on the + sign to the left of -
Driver - Audio (1)
Now left-click right on the file name -
Realtek High Definition Audio Driver Update

Left-click on Download.
(In blue rectangular box with two right arrows)

Instructions from HP Support for downloading, and installing:

Installation Instructions1. Download the driver update.
2. Double-click the icon for the update file downloaded in Step 1, and then click NEXT.
3. Accept the terms in the HP license agreement, and then click NEXT.
4. Click YES and wait for the update to complete.
5. Click YES to restart your PC.

Once you have restarted your computer, and Windows has full loaded, you should get a pop-up out of your system tray.
Your audio (Sound) should be back now.

If this doesn't work the only alternate suggestion I may offer, is to but an inexpensive sound card, and install it.

(Computer unplugged from power, follow Anti-Static Precautions.
Don't forget to install the CD disk from the sound card FIRST, then install the sound card)

If you have additional questions regarding this, please post in a Comment.

Regards,
joecoolvette.

(Would like to hear from you so that I know you read my solution, thanks)

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This sounds as though there may be a problem with the driver for the sound card within the computer.

If you enter the device manager (found in control panel) you can update the drivers for this device from within there :o)

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Here's the driver you need to install:ftp://ftp.hp.com/pub/softpaq/sp34001-34500/sp34204.exe

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''no audio output device is installed''


You can go to the below address to download drivers for your system.

http://h10025.www1.hp.com/ewfrf/wc/softwareList?os=2093&lc=en&dlc=en&cc=us&lang=en&product=3686671

The driver you want is labeled: "Realtek High Definition Audio Driver Update"

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I suggest you return it if it is still under warranty for repair.
It appears that one or more of the operating systems files has been corrupted and needs to be repaired/replaced.
You can try to do a systems repair with the Windows CD and if this doesn't work you will have to reinstall the Windows. Make sure you have the recovery Cd because it contains the drivers for the devices installed on your model laptop.

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hi frind

u need to install your lapotop driver when install driver then sound come so install your motherboard driver cd in your lapotop

if u not have driver cd tell me your laptop model no so i can give u link to downlod driver

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