Windows XP

• 1). Click on the "Start" button in the lower left of the screen, then click "Run" from the menu. Type "mmsys.cpl" in the window that opens and click "OK."
  
  
• 2). Click on the "Sounds" tab in the "Sounds and Audio Devices Properties" window that appears. In the list under "Program Events," click on "Start Windows."
  
  
• 3). Click on the drop-down menu under "Sounds." Select the sound you'd like to Windows to play on startup from the list or from anywhere on your computer by using the "Browse" button. Audition the sound by clicking the button with the black arrow between the drop-down menu and the "Browse" button.
  
  
• 4). Select "(None)" from the drop-down menu if you'd like no sound to play on the Windows startup.
  
  
• 5). Click "Apply" to confirm your choices, then "OK" to close the window.
  
  

Windows Vista/Windows 7

• 1). Click on the "Start" button in the lower left of the screen, then type "mmsys.cpl" in the "Start Search" box in the menu. Click on the file "mmsys.cpl" from the Programs list.
  
  
• 2). Click the "Sounds" tab in the "Sound" window that opens. Click on "Start Windows" in the "Program Events" list. If you wish to change the Windows startup sound, either click on the drop-down menu under the "Sounds" section at the bottom of the window and select one from the list or click "Browse" and locate a sound file elsewhere on your computer. Audition the sound by clicking the "Test" button.
  
  
• 3). Uncheck the box "Play Windows Startup sound" if you want Windows to play no sound on startup. If you want Windows to play no system sounds at all, select "No Sounds" from the drop-down menu under "Sound Scheme."
  
  
• 4). Click "Apply" to confirm your choices, then "OK" to close the window.