I cannot hear anything through speaker on my I-8000

[Guest gsg88]

I cannot hear anything through speaker on my I-8000. When I'm powering up the phone it asked me to choose one of these : headphone, headset or tv. When the phone start up, the windows sound can be heard and sound from camera,but when i play a song or a video i can't hear anything.When i'm called i can't hear my caller neither :( How to fix it?

Edited March 15, 2012 by gsg88