- 28 -15Fans(FN904, FN905) removal.1.Remove the 4 screws-A(M2x11.2) and remove the Fans(FN904 and FN905).AAAAFN904FN905Fig. 1516LCD duct bottom removal.1.Remove the 2 screws-A(T3x10) and remove the LCD duct bottom.AAFig. 16LCD duct bottomMechanical disassemblies