Asus X556U Left Speaker Suddenly stop working

Hello,
I just recently bought a new Laptop (Asus X556UR, as you can see) After 3 day, the left speaker suddenly stop working.
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I already tried uninstalling/reinstalling the Sound driver - Still not working
Did System rollback - Still not working
Did some various options to test it (From this site ccm) - Still not working
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Sound Driver is up to date btw.
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It stop working while I was playing music while playing World of Warship.
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I followed most of the steps here yet still not working.
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https://www.google.com.ph/search?q=Asus+laptop+left+speaker+suddenly+stop+working+site:ccm.net&rlz=1C1CHBF_enPH710PH710&sa=X&ved=0ahUKEwjm2L-jjo_PAhWEEpQKHQa-BbsQrQIIKCgEMAA&biw=1366&bih=638