Question pc runs well but no beep sound

Jul 27, 2020
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My pc starts and successfully boot, but there is no beep sound. What is this problem and how to solve it?. For your information my pc would gave beep sound about 6 months ago. After that it stopped to make beep sound. And a few days ago I inserted new 2 GB ram(so now 2+2=4 GB), and changed CPU Fan. No beep sound yet. Also I dusted my mother board but still no beep sound. I changed the motherboard speaker but still no beep sound. Is it risky to run computer without beep sound? What is the solution?

Windows 10 pro 64 bit
Mother board --Esonic g41 ddr3
 

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