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Chapter 3: Replacing notebook components
131
15 Remove the old processor from the system board.
16 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 1/2-turn clockwise.
17 Remove any thermal grease residue from the cooling assembly using a soft cloth
and isopropyl alcohol.
18 Place new thermal grease on the processor. Use only enough to cover the CPU die.