Hi every one,
I am new in this forum . Recently i start using Ubuntu in my Laptop .But i face some problem . I write down this below ,

1. I don't run my internet Modem in Ubuntu (I use Ollo & Banglalion modem )
2. I don't play any Mp3 songs in my laptop .
3. I don't run any software which i use windows 7

Please i need a solution of this problem .

I say sorry for my bad English