Acer Extensa 5420G TravelMate 5520G Service Guide - Page 84

4. See "Removing the CPU and VGA Heatsink Module" on page 71. 5. Using a flat screwdriver, turn the CPU socket latch counter-clockwise to release the CPU, then remove the CPU. NOTE: When installing the CPU, make sure to install the CPU with PIN 1 at the corner as shown. Removing the VGA board (for Discrete model only) 1. See "Removing the Battery Pack" on page 60. 2. See "Removing the Lower Cover" on page 62. 3. See "Removing the Heatsink Fan Module" on page 70. 4. See "Removing the CPU and VGA Heatsink Module" on page 71. 74 Chapter 3