Dell Optiplex Front audio issues (not working)

[nishilamin1213]

I have a Dell Optiplex 990 DT and the front audio isn't working, i've tried all the possible problems checking headers, and drivers but it won't work, does anyone know how to fix this.

 

[SchizTech]

Does the rear audio port work?

 

[rgd1101]

MERGED QUESTION
Question from nishilamin1213 : "Dell Optiplex Front audio issues (not working)"

I have a Dell Optiplex 990 DT and the front audio isn't working, i've tried all the possible problems checking headers, and drivers but it won't work, does anyone know how to fix this.