[Bugarri]

I run upgraded windows 10 64-bit on HP Envy 17-j050ex with:
i7-4702MQ @ 2.20GHz
16 GB memory
Intel HD Graphics 4600 and NVIDIA GeForce 750M

I installed windows 7 and upgraded it to win10 pro, then I installed all the drivers.

I couldn't get the hdmi to appear in the playback devices list.
I tried checking the (show disabled devices) box.
I tried reinstalling the IDT HD audio CODEC driver and the intel display driver but no results.

One of the audio drivers (High definition audio device) behaves weirdly, the driver is not working even when I tried reinstalling it, it says device can't start code (10).

The HDMI audio device used to appear before I recovered my system.

Please help me I looked everywhere for a solution.

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   Bugarri,

 

Can I ask if you installed the chipset drivers first, doing so will often avoid the need for any other drivers to be installed as Windows 10 generic drivers often get along fine with most modern hardware.

 

I note that there are no IGPU specific Windows 10 drivers for your computer provided by HP, if you did install the chipset drivers first, uninstall the IDT drivers and try the NVIDIA High-Definition (HD) Graphics Driver from here

[phillpower2]

   Bugarri,

 

Can I ask if you installed the chipset drivers first, doing so will often avoid the need for any other drivers to be installed as Windows 10 generic drivers often get along fine with most modern hardware.

 

I note that there are no IGPU specific Windows 10 drivers for your computer provided by HP, if you did install the chipset drivers first, uninstall the IDT drivers and try the NVIDIA High-Definition (HD) Graphics Driver from here

[Bugarri]

what I did was I installed windows 7 upgraded it to 10 then installed all the drivers from the HP website, same link u gave me.

Honestly i feel kinda stupid but i don't know exactly what u mean by installing the chipset driver "first".

The other thing is I have 2 audio drivers one is working which is the IDT high definition and the other one is the (high definition audio device) which is not working and everytime i uninstall it windows reinstall it automatically with the same problem.

[phillpower2]

what I did was I installed windows 7 upgraded it to 10 

 

 

Most likely the problem, it has come up so many times that I have a canned text to explain;

 

Upgrades to Windows 10 on brand name computers are notoriously troublesome and unfortunately nine out of ten times the best and most efficient fix is a clean install of Windows 10, if this is required in your particular predicament may I suggest that before you do the clean install that you download and save the drivers for the MB to a USB thumb drive, after any clean install, install the MBs chipset drivers and test, most modern hardware gets along fine with Windows drivers but not installing a MBs chipset drivers after a clean install can cause folk no end of problems. 

 

 

After any clean install you should next install the Intel Chipset Installation Utility and Driver here and possibly the latest available NVIDIA GeForce 750M 8.1 driver from here

 

The other thing is I have 2 audio drivers one is working which is the IDT high definition and the other one is the (high definition audio device) which is not working and everytime i uninstall it windows reinstall it automatically with the same problem.

 

 

Your computer has switchable graphics and that is why there are two sets of drivers, one for the Intel HD 4600 and the other should be for the 750M.

 

Let us know if you would like the info for downloading a free Windows 10 ISO.

[Bugarri]

Yes i would like the info thank you

[phillpower2]

Sure thing, see option one here, info provided courtesy of Brink.