Chosen Solution

I was in the middle of watching a show and my sound stopped working all of sudden. I tried all the solutions I could find online and none of them worked. I also realized the battery icon on the taskbar disappeared and my Macbook is no long charging along with a loud fan noise Update (12/26/2021) Thanks for your response. After a day of leaving my laptop off the battery seems to be charging again and the fan noise is also gone but the sound still hasn’t come back would this still be an issue with either I/O Board or I/O Cable? I have attached a snapshot of my battery information from coconut battery

Getting a view of the battery via Coconut will help in discovering if the I/O board is the issue or if the I/O cable is. The loss of sound revolves around the I/O board DAC logic (Cirrus chip) MacBook Air 13" (Mid 2013-2017) I/O Board and the headphone jack which has some switches within it

Hopefully its only the cable MacBook Air 13" (Mid 2013-2017) I/O Board Cable Review this guide to replace either MacBook Air 13" Early 2015 I/O Board Replacement Update (12/26/2021) Well thats a bit of a surprise! Your battery is also at the end of its life. You’ve squeezed out over 1,433 cycles when the battery was only expected to last 1,000. Determine battery cycle count for Mac notebooks while its also a bit on the old side as well being over six years. So its clearly time for a new battery MacBook Air 13" (Late 2010-2017) Battery and here’s the guide MacBook Air 13" Early 2015 Battery Replacement So now it’s a matter of replacing both the battery and the I/O board.