No sound on Satellite L755-140

I have a laptop Toshiba Satellite L755-140 with win7 32 bit OS. Suddenly, the sound does not work but is installed and updated with driver chipset the speaker volume icon shows that there is a good indication but no sound came out of it...

What do you think is happening... what speakers it self
Please advise as soon as POSSIBLE

Thank you

Did you notice the same problem when you connect earphones?
Please test.

You can also use the Toshiba diagnostic tool to check the functionality of the speakers.

Tags: Toshiba

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