The audio in my Lenovo laptop suddenly stopped working, even with ear phones. I tried to change many settings. Even the test sound doesn't work. Are there any ways to solve this
![Lenovo Z50-70 Laptop Computer - 59436278 - Core i7-4510U, 8GB RAM, 1TB HDD, 15.6" Full HD 1080p Display, NVidia 820M 2GB Graphics : Amazon.in: Electronics Lenovo Z50-70 Laptop Computer - 59436278 - Core i7-4510U, 8GB RAM, 1TB HDD, 15.6" Full HD 1080p Display, NVidia 820M 2GB Graphics : Amazon.in: Electronics](https://m.media-amazon.com/images/I/61CKBlbrFHL._SY350_PKmb-play-button-overlay_.jpg)
Lenovo Z50-70 Laptop Computer - 59436278 - Core i7-4510U, 8GB RAM, 1TB HDD, 15.6" Full HD 1080p Display, NVidia 820M 2GB Graphics : Amazon.in: Electronics
![Lenovo Ideapad Z50-70 (59-428433) Laptop (Core i7 4th Gen/8 GB/1 TB/Windows 8 1) in India, Ideapad Z50-70 (59-428433) Laptop (Core i7 4th Gen/8 GB/1 TB/Windows 8 1) specifications, features & reviews | 91mobiles.com Lenovo Ideapad Z50-70 (59-428433) Laptop (Core i7 4th Gen/8 GB/1 TB/Windows 8 1) in India, Ideapad Z50-70 (59-428433) Laptop (Core i7 4th Gen/8 GB/1 TB/Windows 8 1) specifications, features & reviews | 91mobiles.com](https://www.91-img.com/pictures/laptops/lenovo/lenovo-z50-70-59-428433-core-i7-4th-gen-8-gb-1-tb-windows-8-1-66119-large-1.jpg?tr=h-330,c-at_max,q-80)
Lenovo Ideapad Z50-70 (59-428433) Laptop (Core i7 4th Gen/8 GB/1 TB/Windows 8 1) in India, Ideapad Z50-70 (59-428433) Laptop (Core i7 4th Gen/8 GB/1 TB/Windows 8 1) specifications, features & reviews | 91mobiles.com
![Lenovo Z50-70 Laptop Computer - 59436278 - Core i7-4510U, 8GB RAM, 1TB HDD, 15.6" Full HD 1080p Display, NVidia 820M 2GB Graphics : Amazon.in: Electronics Lenovo Z50-70 Laptop Computer - 59436278 - Core i7-4510U, 8GB RAM, 1TB HDD, 15.6" Full HD 1080p Display, NVidia 820M 2GB Graphics : Amazon.in: Electronics](https://m.media-amazon.com/images/I/61nlXTEmFVL._AC_UF1000,1000_QL80_.jpg)