But if you want to stop that sound than that is possible, you can do it easily, You can turn off your startup sound and save your battery.
Step1: First of all you need to start your PC and then search for control panel.
Step2: Now on control panel you have to search for Sound setting icon.
Step3: You can see lots of tabs on your active window and now click on sound, there you will find check box which is already checked "Play Windows Startup Sound" uncheck that.
Step4: Apply and Ok, That's it.