Acer Aspire 4540 Series - Main Module Reassembly Procedure; Replacing the CPU

102 Chapter 3
Main Module Reassembly Procedure
Replacing the CPU
IMPORTANT: The CPU has a Pin1 locator that must be positioned corresponding to the marker on the CPU
socket.
1. Place the CPU into the CPU socket as shown, taking note of the Pin1 locator.
2. Using a flat-bladed screw driver, rotate the CPU locking screw 180° clockwise to secure the CPU in place.
CPU
Pin1 Locator