Dell Precision M4600 (Early 2011) User Manual | Page 22 / 45 | Original mode | Also for: Precision M4500 (Early 2010), Precision M6400 (Late 2008), Precision M4700 (Mid 2012), Precision M6700 (Mid 2012), Precision M6600 (Mid 2011), Precision M2400 (Mid 2008), Precision M4400 (Mid 2008), Precision M6500 (Late 2009)