Windows 7 headphone settings

[uki90]

hi, i bought brand new philips headphones with amazing bass and everything ..but the thing is i cant hear any bass ..its like they coster 2 euros -.-
my pc cant see them ..when i enter control panel i simply cant see them ,so i cant adjust setting ..plz help me ..

 

[cl-scott]

Did these headphones come with any associated software, and did you install this software on your computer?