CHAPTER 3: Replacing notebook components
62
4 Remove the old processor from the system board.
5 Install the new processor onto the system board making sure that Pin 1 on the
processor (indicated by the silk-screened arrow on the corner of the processor)
aligns with Pin 1 on the processor socket (indicated by the absence of a pin hole
in the processor socket), then use a flat-blade screwdriver to turn the processor lock
screw 1/4-turn clockwise.
6 Remove any thermal grease residue from the cooling assembly using a soft cloth
and isopropyl alcohol.
7 Place new thermal grease on the processor. Use only enough to cover the CPU die.
8 Make sure a thermal pad is placed between the cooling assembly and other
components as shown.
9 Replace the cooling assembly by following the instructions in “Replacing the main
cooling assembly” on page 58.
Thermal
pad
Thermal grease
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