Ali, Your chipset is a Conexant type: From http://www.linuxant.com/drivers/hsf/full/downloads-ubuntu-x86.php download hsfmodem-7.80.02.02full_k2.6.27_7_generic_ubuntu_i386.deb.zip Under Linux unpack with: $ unzip hsfmodem*.zip Then install with: $ sudo dpkg -i hsfmodem*.deb Subsequently, the modem should be found with $ sudo wvdialconf /etc/wvdial.conf Edit in your personal information with: $ sudo gedit /etc/wvdial.conf and try dialing out with: $ sudo wvdial. See DOCs/Testing.txt for details. MarvS On Sat, Mar 7, 2009 at 10:01 AM, Ali Darvishan <adarvishan@xxxxxxxxx> wrote: > Hi, > > I have an hp pavilion dv2097, but I don't know what is its modem chip set! > > Bye. >