Removal
System Cover
Identify the system cover highlighted in blue.
Using a 1/4" Flathead or a Phillips #2 screwdriver, rotate the lock counter clockwise.
Lift the latch till the system cover slides back.
Hold the cover on both sides, and lift the cover away from the system.
Riser 1A Assembly
Identify the riser 1A highlighted in blue
Press the release latches and lift the riser from the system board
Riser 1A
Identify the riser 1A highlighted in blue
Hold the expansion cards by its edges, and pull the card until the card edge connector disengages from the expansion card connector on the riser.
After expansion cards are removed, the remaining part is the riser 1A.
Install
Riser 1A
Identify the riser 1A highlighted in blue
Insert the expansion cards into the slots.
Riser 1A Assembly
Identify the riser 1A location highlighted in blue
Holding the touch points, align the expansion card riser with the connector and the riser guide pin on the system board.
Lower the expansion card riser into place until the expansion card riser connector is fully seated in the connector.
System Cover
Identify the system cover location highlighted in blue.
Align the tabs on the system cover with the guide slots on the system.
Push the system cover latch down.
Using a 1/4" Flathead or a Phillips #2 screwdriver, rotate the lock clockwise.