d.Display assembly (see Display assembly on page 55)
e.System board (see System board on page 59) Remove the heat sink:
1.Turn the system board upside down, with the rear toward you.
NOTE: Steps 2 and 3 apply only to computer models equipped with a discrete graphics subsystem. See steps 4 and 5 for heat sink removal instructions for computer models equipped with a UMA graphics subsystem.
2.Following the 1, 2, 3, 4, 5, 6 sequence stamped into each section of the heat sink, loosen the six Phillips PM2.5×10.0 captive screws (1) that secure the heat sink to the system board.
3.Remove the heat sink (2).
NOTE: Steps 4 and 5 apply only to computer models equipped with a UMA graphics subsystem. See steps 2 and 3 for heat sink removal instructions for computer models equipped with a discrete graphics subsystem.
4.Following the 1, 2, 3, 4 sequence stamped into each section of the heat sink, loosen the four Phillips PM2.5×10.0 captive screws (1) that secure the heat sink to the system board.
ENWW | Component replacement procedures 65 |