AC adapter beep. Again

Hi all.
I use Lenovo G530 notebook.
I know this topic has been discussed several times, but I have never found a definitive answer.
So, is it real to turn off annoying beep after AC cord removal/insert? It's really unpleasant noise, which gives a lot of problems. 
Maybe expected a BIOS update which allow to disable PC speaker? (I know that BIOS of some Lenovo netbooks has this option)
P.S Sorry for my bad English

Hi
On this way it is not easy to say what is wrong there. In my opinion there are two possibilities. Either is there some problem with AC adaptor or maybe with power supply electronic.
Try to obtain the same adaptor and test it properly. On this way you will see if the same happen again. If the AC adaptor is fault dont worry about that. The new one is not so expensive.
Bye

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