HP CQ60 Series Maintenance And Service Manual page 79

7. Release the power cable from the base enclosure 1.
8. Use the optical drive connector 2 to lift the right edge of the system board 3 until it rests at an angle.
9. Remove the system board 4 from the base enclosure by sliding is up and to the right at an angle.
10. Remove the optical extension board from the system board.
Reverse this procedure to install the system board.
Removal and replacement procedures 4–40