Acer Aspire 5335 audio problems

[Christy903]

My Mother's laptop sounds like it is in a well on all of the audio even with headphones plugged in. How can we fix this?

 

[rbsalonga]

My Mother's laptop sounds like it is in a well on all of the audio even with headphones plugged in. How can we fix this?

Same as my acer 5336 windows7