Tanks maverik35 , i read your Link and excuse for the chipset, I thought is was better to post with brand and model of wifi card , excuse .
The chipset was RT3579sta...

tanks daedalus1776,

i understand what u mean !! and i know i don't have all the competence for all the BT distribution.
But i do it on Ubuntu and i don't have problem , it's why i disturb the...

hello,
After a long time to find et compile the driver for Ubuntu i thing the compilation are different in BT.
i find the last driver : http://www.ralinktech.com/en/04_support/license.php?sn=5034...