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Replacement Procedures
4. Unlock the CPU by rotating the cam on the CPU socket 120 degrees to the
counterclockwise with a flat-blade screwdriver.
5. Remove the CPU.
Figure 4-23 Removing the CPU
Installing the CPU&VGA heat sink
The following describes the procedure for installing the CPU (See Figure 4-44to 4-46).
1. Check that the mark of cam is in the unlocking position.
2. Attach the CPU to the correct position in the CPU socket.
3. Fix the CPU by rotating the cam 120 degrees to the clockwise with a flat-blade
screwdriver.
4. If there is already silicon grease on the CPU chip and the VGA chip, clean it with a
cloth.
Using a special applicator, apply silicon grease so that the CPU chip and VGA chip
on them are completely covered.
Satellite L20 Maintenance Manual(960-Q01) 191