TX1320 M4 Upgrade and Maintenance Manual 221
Ê Disconnect the CPU fan cable from the system board (see arrow).
Ê Loosen the four captive screws on the heat sink in a crossover pattern (1-4).
Ê Carefully twist the heat sink back and forth to detach it from the CPU.
I This may be necessary due to the adhesive quality of the thermal
paste located between the heat sink and CPU.
V CAUTION!
Pay special attention not to damage any system board components
surrounding the CPU socket.
Ê Lift the heat sink out of the chassis.
Ê Clean residual thermal paste from the CPU surface using a lint-free cloth
and store the CPU in a save place.
11.2.4 Removing the CPU
Figure 120: Opening the socket lever
Ê Unlatch the socket lever by pushing it down and away from the socket (1).
Ê Fold back the socket lever (2).
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