witch on of those is your motherboard since some are use by oem like hp https://www.google.ca/search?q=msi+n1996+carte+mere&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjjn5OusdXZAhXBzlkKHemjD0wQsAQINQ&biw=1920&bih=966#imgrc=_
witch on of those is your motherboard since some are use by oem like hp https://www.google.ca/search?q=msi+n1996+carte+mere&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjjn5OusdXZAhXBzlkKHemjD0wQsAQINQ&biw=1920&bih=966#imgrc=_