Understanding why headphones are not loud enough in a computer is the first step that must be done before trying various ways to make your headphones louder. For more advanced cases, this could be a BIOS issue.Check for System or Driver Updates for hardware.Enable ‘Windows Sonic’ or ‘Dolby Atmos’.Check if there are no incorrect volume, mixer, or EQ settings applied.Ensure that impedance matching is correct.There are issues with either hardware, software, drivers, or settings. There is incorrect ‘impedance matching’ between headphones and the device. Manufacturers imposed settings on a device.