Ubuntu has become one of the best versions of linux available for users, almost all the things can be done on ubuntu now just like windows, so for all those who would like to save the cost of operating system can choose to run ubuntu on their machine.
Now, coming to some users issues regarding ubuntu as it makes a loud sound while starting up and when user logs in ubuntu. Follow the procedure below to solve this problem
1. Open Administration >> Login Screen
2. Now click Unlock button the new window opened, now you will need to enter the master password as shown in the image below
3. Uncheck the checkbox which Play login sound
4. Once you have unchecked the option Play Login Sound and click Close button