Followup
As the thread starter I think it's in place to give you a followup on my problem. Here goes...
After posting here I tried to call applecare. They suggested the method mentioned a few times in this thread, involving the removing of battery and reset commands thing. Since this didnt work, I gave it to applecare. When I got it back, I was glad to hear the applesound coming out of both speakers.
However, after two weeks or so I took my newly repaired mbp out for the first time. I put it in my bag, which by the way is designed for carrying computers, and brought it to a friend of mine. Over there I turned on my beautiful macbook, and that horrendous high pitched beep screamed towards me. This may sound pathetic, but this really got me down.
My one year guarantee was soon to go out, so I rushed to applecare again. After two weeks having to use the dell lap-top from work, I was thrilled when I finally got my mbp back again. It was in perfect shape again. A few months later I went to the states, meaning two long trips with an airplane and stuff. I was a bit tired when I got to the hotel and flipped open the mbp. Could it be? Is it just my ears? No. After putting both my ears into the speaker I had to conclude: The beep of death was back!
Enough drama. It still remains a mystery how my speaker, which has been replaced two times, still keeps on dying. What's even weirder is that my mbp works great on every other level. Applecare are also completely out of ideas on how to fix the speaker.
