Removal
Side Cover
Identify the side cover highlighted in blue.
Slide the release latch until you hear a click.
Slide the side cover towards the back and lift it from the system.
Front Bezel
Identify the front bezel highlighted in blue.
Gently pry and release the front bezel tabs sequentially from the top.
Rotate the front bezel outward from the chassis and remove the front bezel.
Hard drive assembly
HDD and Optical Drive Bracket
Identify the hard drive and optical drive bracket highlighted in blue.
Move the lock handle from the locking mechanism towards the left to unlock the bracket and detach it from the chassis.
Lift the bracket and detach it from the mounting points on the chassis.
Rotate the bracket and place it on the chassis.
Lift the hard drive and optical drive bracket away from the computer.
Heat sink and Fan Assembly
Identify the heat sink and fan assembly highlighted in blue.
Disconnect the fan cable from the system board.
Loosen the captive screws that secure heat sink and fan assembly to the system board. Loosen in reverse order.
Lift the heat sink and fan assembly off the system board.
Use the alcohol pad to clean the heatsink (as shown in the video).
I/O modules
Identify the I/O module highlighted in blue.
Remove the screws that secure the I/O module to the chassis.
Disconnect the I/O module cable from the connector on the system board.
Slide and lift the I/O module off the chassis.
Install
I/O modules
Identify the I/O module location highlighted in blue.
Insert the optional I/O module into its slot on the chassis.
Connect the I/O cable to the connector on the system board.
Install the screws that secure the I/O module to the chassis.
Heat sink and Fan Assembly
Identify the heat sink and fan assembly location highlighted in blue.
Apply a pea sized amount of thermal material as shown.
Install the heat sink and fan assembly and align with the screw holes on the system board.
Tighten the captive screws that secure the heat sink to the system board. Tighten in order. Do not overtighten.
Connect the fan cable to the connector on the system board.
HDD and Optical Drive Bracket
Identify the hard drive and optical drive bracket location highlighted in blue.
Place the bracket upside down on the chassis.
Hold the bracket upright and align with its mounting points with the slots on the chassis.
Push the bracket until the assembly is secured onto the chassis.
Move the lock handle from the locking mechanism towards the right to lock the bracket in place.
Hard drive assembly
Front Bezel
Identify the front bezel location highlighted in blue.
Align the front cover tabs with the slots on the chassis.
Insert the front cover into the slots on the chassis and rotate the front cover towards the chassis and snap it into place.
Side Cover
Identify the side cover location highlighted in blue.
Slide the side cover towards the front of the system until you hear the release latch click.