I have dell laptop model vostro 1015 When I switch it on it works properly and starting sound comes but after 3 4 minutes soun

[Runk]

I have dell laptop model vostro 1015
When I switch it on it works properly and starting sound comes but after 3 4 minutes sound stops to hear any thing I have to attach head phones
Should I replace the internal speaker or what else I have to do ???

 

[darkbreeze]

Try reinstalling the sound drivers.

http/downloads.dell.com/audio/R286583.exe