It could be a hardware problem indeed. But it could be some driver or setting issue also. Why do you think it's hardware?
something on the motherboard (which is by far the most likely place on a
laptop) can be considered impossible. I'd try a USB or PC Express sound
I found more expensive ones also (this one is $0.20), but I don't have experience with any
I have an Acer Extensa laptop. I've been using it for a while now and I think the sound chip is busted. I think the laptop may have been hit by lightning (not kidding! we had huge thunderstorms recently).
I don't know what to do. Can I replace the chip? If not what is my next best choice? Please help ASAP. I really need my laptop for my studies