Lost sound on laptop when uninstall files in safe mode, help!

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Hello, I was trying to uninstall some unwanted software in safe mode the other day and probably accidentally uninstalled some sound files. Now I don't have sound in my HP Pavilion laptop. I tried system restore, download and installed sound drivers etc. but it shows there is no speaker at all.

not sure if someone can help me. thanks in advance for anyone who can help.



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Hi jonkioskea,

This problem might be fixed by installing the correct drivers. As you have tried to install the drivers and didn't fix the issue, first Uninstall any traces of the existing drivers and then install again. If you want the correct driver files, please provide me the Device Instance ID of the sound card. To get the Device instance ID of the Sound card, right click the My Computer icon on the Desktop, select Manage, select Device Manager under Computer Management from the left pane, then expand Sound,video and game controllers from right pane. Right click the Device listed under Sound, video and game controllers, click properties, go to the Details tab, and then select Device Instance Id from the drop down list. Make a note of this Device Instance ID.

If this doesn't fix the issue try running the diagnostic tests provided by the manufacturer on the sound card.

Do reply with results.
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thanks Zohaib, for your quick suggestions. I will definitely try your instructions and will post the result here. hope it will solve the problem. it has been very frustrating when I cannot play any songs or movie in my computer. Again. thx so much for your help.
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hi, Zohaib, I did not see a device instance ID on the list but a device instance path. not sure if it is the same thing.

here is the detail info i have in my sound, video and game controllers section:

AMD high definition audio device

device instance path
HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1002\4&1718FDC5&0&0001

I looked at the general section of this device, it says that it is working properly. strange!
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Hi,

Greetings to you both. If you permit...

What may works as it did for other, is to go to your device manager, locate the sound card and delete it. When you reboot should detect as new hardware. If you still have no sound reinstall the driver.

Good luck
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hi, Ambucias, thx for your suggestion. do you mean I go to computer>Device Manager and delete from there the sound, video and game controllers>AMD high Definition audio device. it has options of disable, uninstall. do I use the uninstall to delete this device? I want to make sure that's what I should do before I do it. thanks.
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Just the audio card. Please do not touch video and game controller, you need your video to get a screen signal.

Mind you, I'm kind of sceptical that you should lose sound after uninstalling a software.

Before you delete the card, can you tell me what software it was and how you deleted it?

Also can you tell what version of the audio device you have? That should appear in the properties.
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From what I heard, AMD does not make any audio devices!
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P.S. Are you sure you don't have a Realtek audio card?
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hi, Ambucias, thx for your help.

yes. I loaded a video capture software from the net and found that it was not a good one so I decided to uninstall it. I was in Safe mode when I did the uninstall and probably uninstalled the sound files at the same time.

I don't see any Realtek audio card list in the sound, video and game controllers panel at all. maybe that's what cause the speaker to disappear. how can I get this back? your help is certainly appreciated.
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Hi jonkioskea,

As suggested by ambucias, uninstall the audio drivers and then restart the computer, this will help your operating system detect the default drivers. You can find the audio driver such as Realtek HD audio listed in Add or Remove programs and features.

The device instance id (FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1002) indicates ATI High Definition Audio Device . This might be the high definition audio output or HDMI audio.

In your response do include the exact system model number of your laptop so that I can try finding the correct drivers.

Please do write back to us.
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hi Zohaib & ambucias, I thank you for all your willingness to help. it was more than I have expected. You guys make joining this forum a wonderful experience.

I was so eager to have the sound back that I decided to do a complete reformat with the built in recovery. it went well and the sound is back. I check the sound device manager after the reformat to see what was missing. I was missing the speakers and headphones: IDT high definition audio CODEC. I probably deleted this file when uninstalling softwares.

thanks for all your advises.
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Thank you for your reply. It was a pleasure.