Removal
System Cover
Identify the system cover highlighted in blue.
Using a flat head or a Phillips #2 screwdriver, rotate the lock counter clockwise.
Lift the latch until the system cover slides back.
Hold the cover on both sides, and lift the cover away from the system.
Cooling Fan
Identify the cooling fan highlighted in blue.
Holding the orange(near the label) and black(near the orange touch point) edges on the fan module and lift the cooling fan to disconnect the fan from the connector.
Install
Cooling Fan
Identify the cooling fan location highlighted in blue.
Align and place the cooling fan into the cooling fan assembly until the fan clicks into place.
System Cover
Identify the system cover location highlighted in blue.
Align the tabs on the system cover with the guide slots on the system and slide the system cover.
Close the system cover release latch.
Using a flat head or Phillips #2 screwdriver, rotate the lock clockwise to the lock position.