Acer 7730A manual 131

15Remove the old processor from the system board.

16Install 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.

17Remove any thermal grease residue from the cooling assembly using a soft cloth and isopropyl alcohol.

18Place new thermal grease on the processor. Use only enough to cover the CPU die.

Chapter 3: Replacing notebook components 131