Dell

• 1). Start your Dell laptop. Tap "F2" at the top of your keyboard when the Dell logo appears on the screen. This will activate BIOS.
  
  
• 2). Use the up and down cursor keys to navigate the side-menu. Select "Acoustic mode" from the menu by pressing "Enter."
  
  
• 3). Choose "Quiet mode" from the acoustic options given. Press "Enter" to confirm.
  
  

HP

• 1). Start your HP laptop. Press the "Escape" key when the Hewlett-Packard logo appears on the screen to activate BIOS.
  
  
• 2). Scroll down the BIOS menu using the cursor keys. Press "Enter" to open the "Power" menu.
  
  
• 3). Select "Maximum Power Savings" from the options given. This turns your computer to quiet mode.