11.Remove the heat sink.
a. Remove the two securing brackets, if present, by pressing the tabs together and lifting the brackets up.
1tabs (2 on each securing bracket)
2securing brackets (2)
NOTE: Your computer may or may not have securing brackets. Operating the computer without these brackets does not affect its performance.
b.Remove the memory module (see "Removing a Memory Module") closest to the heat sink.
c.Press the lever on the retention base until the heat sink is released.
1heat sink
2retention base
3lever
d. Gently lift the heat sink from the microprocessor.
NOTICE: Lay the heat sink down with the thermal material facing upward.
