You like to hear to good friendly or so open bleep after that out of your pc if you do positive things there is a way you can stop it.

One way is to only unplug the speaker wire from the motherboard. It will be a 2 wire into 4 pin connector that plugs in near the other links such as power switch and reset key. You can go after it from the small speaker inside the case to the motherboard.

The running window to the inside presenter are by disable it within window itself.
Open device director by right click on My Computer and selecting Properties. From there you will either have a Device Manager tab or a Hardware tab with a Device Manager Key depending on version of Windows.

The device directors connect View and connect Show hidden devices You should observe a Non-Plug and Play Drivers section.

Increase Non-Plug and Play Drivers by click the plus and double-click Beep.
The "Beep properties" windows connect the Driver tab.

Under the driver tab if you want to provisionally disable the beep connect the Stop button. If you wish to eternally disable the beep under the Startup Type select Disabled.