No sound! HP Envy m6 Notebook PC

Hello,
Ever since my laptop updated itself to Windows 8.1 from 8, the sound no longer works.
I've been trying loads of methods online to try and get it back to work but nothing seems to help.
Any help would be appreciated.
Thanks.

Try this:
In the device manager locate the IDT High Definition Audio CODEC under sound, game and video controller.
Right click and select uninstall.
Restart your computer and open up the device manager again.
In the same spot under sound, game and video controller where the IDT CODEC used to be listed there will be something else listed.
Right click on that and select "scan for hardware changes" this will reinstall the IDT CODEC but I believe it is the updated driver which is actually compatible.
It has been working for me so far, but I will keep you updated if it fails again. For now I would try that!! good luck

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http://www8.hp.com/us/en/support-search.html?tab=1#/qryterm=HP%20ENVY%20m6%20Notebook&search_search...
1. Please click on the above shown link and select the exact notebook model
2. Select the exact and relevant Operating System for your notebook
3. Click on Driver - Keyboard, Mouse and Input Devices
4. Please download and install the Touchpad Drivers on your Notebook
Hope this helps, for any further queries reply to the post and feel free to join us again
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@kiltinshire,
Thanks for posting back.  As you may be aware there are multiple versions of HP notebooks, most control functions are found in the user guide.  If you can not find it there then you would have to go to how to disable hard ware in windows.  That is a microsoft topic.
You normally have 2 choices to physically shut it off.  First the touchpad has a little button in a corner depending on model.  Use a function key it will have a diagram of a square and a finger.  These methods have been used for years for turning your touchpad off. 
Next is just google how to turn off touchpad in windows 8.  Here is a couple links that you may find useful that I found using that search.
TouchPad and Keyboard
How to Enable and Disable Touch Pad on HP ENVY
Disable Laptop Touchpad in Windows 8 / 7
How to disable laptop touch pad in windows 8
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The only other way is to open up your notebook and disconnect the cable that goes from the touch pad to the motherboard so that does not happen.
I am hoping that helps.
Thank you again for posting and have a great day.
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I work on behalf of HP

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Hi AOD13,
Sorry to hear about the issues with the Envy. I will be happy to help but I need some additional information. What is your operating system? What is your product number?
Find your product number on a notebook:
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c00033108
Finding your OS:
http://windows.microsoft.com/en-CA/windows/which-operating-system
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I work on behalf of HP

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Dear Customer,
Welcome to HP Support Forum and we are glad to assist you.
It looks like the USB Ports have stopped working on your Notebook and your in need of some help
We will surely assist you with this issue at the earliest
I would kindly request with you to perform REFRESH on your Notebook to take it back to an earlier state
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I work on behalf of HP

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Hi @Darren104
Welcome to the HP Support Community. I saw your post regarding the problem installing the Cyberlink PowerDirector software. As the PowerDirector software is DVD software I can't see how a new SSD would cause the “not a valid HP driver” if you had changed out your optical drive then maybe. I would recommend that you give us a call at 1-800-474-6836 in North America or start here if you live outside of North America.
Please click “Accept as Solution ” if you feel my post solved your issue.
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Thank you,
BHK6
I work on behalf of HP

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Hello
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Hello
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Product number: E1A51EA#ABU
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When requesting assistance, please provide the complete model name and product number (p/n) of the HP computer in question. HP/Compaq makes thousands of models of computers. Without this information it may be difficult or impossible to assist you in resolving your issue.
The above requested information can be found on the bottom of your computer, inside the battery compartment or on the startup BIOS screen. Please see How Do I Find My Model Number or Product Number? for more assistance locating this information. DO NOT include your serial number. Please enter the model/product information into HP's Online Consumer Support page and post it here for our review.
Please contact official HP Customer Support in your country / region, via the HP Worldwide Support Portal, to see if HP Recovery Media is available for the computer. Software may not be covered by the warranty and there may be a charge for the HP Recovery Media.
If you have any further questions, please don't hesitate to ask.
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Hi @gitboy31 ,
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It is a dynamite place to find answers and suggestions!
For you to have the best experience in the HP forum I would like to direct your attention to the HP Forums Guide Learn How to Post and More
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I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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No sound! HP Envy m6 Notebook PC

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