Toshiba Magnia 3310 - Manual (Page 125)

Installing and Removing Hardware
CPU module
107
6 Latch both ends of the claws of the heat sink on another side of
the retention holes.
At this time, while lightly pressing the claws toward the inside
of the retention clamp, insert the heat sink until the claws are
completely secured.
Attaching the heat sink 1
7 Gently push down the heat sink lock lever on the left and
secure the lever.
Securing the lock lever
In the same way, gently push down the heat sink lock lever on
the right and secure the lever.
WARNING: Be sure not to pinch your fingers during the
procedure.