Audio output and left USB port is not working!

Hi! I have MacBook Air 13" late 2010, Audio output and left USB port is not working!
What happened?
Part No.: Z0JH000TE RS

If the left USB port doesnt work with an external mouse its seems to be a hardware malfunction of this USB port.
The newest BIOS is already installed?
Have you removed all USB ports from device manager and restarted your notebook?
If you have already tried this, contact an authorized service provider. The guys can try to fix this issue and it should be covered by warranty, if you still have warranty on this notebook. :)

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