hi
this laptop no audio output even headphone or speaker
this work i do but no result

1-check speaker
2-check headphone jack
3-change ic ALC3225 with new one but not help
4-install last driver update from acer Web site
5-changing OS with some version
6-serive and clean the board (1 month this laptop buy)
7-bios update with last version
8-check all input voltage in ALC3225


the speaker icon near the windows watch show this message ( no headphone or speaker plugged )

please help