[ SOLUTION ] HD Audio Device - Device Cannot Start (Code 10)

High Definition Audio Device - Device Cannot Start (Code 10)

Product Name: HP 8440p, HP Envy SEE Other Models in The List Below.
Operating System: Microsoft Windows 10 (64-bit)

I am having a problem isolating an indication in the Device Manager with the High Definition Audio Device. I have Intel Graphics with this machine. The OS is Windows 10. I loaded the audio driver for Windows 7 64 bit, but that did not make any difference.

The Device Manager indicates that "This device cannot start (Code 10)"

SOLUTION : Exactly follow the steps Given in this post : How To Play Sound Through Monitor ? 

This Solution Works for all the audio issues in following Models
HARDWARE PRODUCT MODEL(S): 
HP ENVY 15 Notebook PC
HP ENVY TouchSmart 15 Notebook PC
HP ENVY TouchSmart m7 Notebook PC
HP ENVY 17 Notebook PC
HP ENVY TouchSmart 17 Notebook PC
HP ENVY 14 Sleekbook
HP ENVY TouchSmart 14 Sleekbook
HP ENVY TouchSmart 14 Ultrabook
HP ENVY 14 Ultrabook
HP ENVY m6 Sleekbook
HP ENVY TouchSmart m6 Sleekbook
HP ENVY TouchSmart m6 Ultrabook
HP Split 13 x2 PC
HP Pavilion 14 Notebook PC
HP Pavilion TouchSmart 14 Notebook PC
HP Pavilion 15 Notebook PC
HP Pavilion TouchSmart 15 Notebook PC
HP Pavilion 17 Notebook PC
HP Pavilion 17 TouchSmart Notebook PC
HP ENVY
HP Spectre 13 Convertible
Compaq 14 Notebook PC
Compaq 14 TouchSmart Notebook PC
HP Notebook 14
HP Notebook 14 TouchSmart
Compaq 15 Notebook PC
Compaq 15 TouchSmart Notebook PC
HP Notebook 15
HP Notebook 15 TouchSmart
HP 240 G2 Notebook PC
HP 246 G2 Notebook PC
HP 250 G2 Notebook PC
HP Pavilion 11x2 Notebook PC
HP Pavilion 14 TouchSmart Notebook PC
HP Pavilion 15 TouchSmart Notebook PC
HP ENVY m6 Notebook PC
HP 250 G3 Notebook PC
HP 256 G3 Notebook PC
HP 240 G3 Notebook PC
HP 246 G3 Notebook PC
HP Split x2 Detachable PC
HP Pavilion x2 Detachable Notebook PC
HP Pavilion x360 Convertible Notebook PC
HP Pavilion 13 Notebook PC
HP ENVY x360 Convertible
HP ENVY x2 Detachable PC 15
HP ENVY x2 Detachable PC 13
HP ENVY Notebook PC
HP Pavilion x360 Notebook PC

OPERATING SYSTEM(S): 
Microsoft Windows 10 64

DEVICES SUPPORTED: 
Intel HD Graphics
Intel HD Graphics 4000
Intel HD Graphics 5500
Intel HD Graphics Family

Also read : http://tech.theinfiniteinfo.com/2016/12/how-to-fix-code-10-error.html