Acer Aspire 5251 Service Guide - Page 119

Main Module Reassembly Procedure Replacing the CPU IMPORTANT: Apply a suitable thermal grease and ensure all heat pads are in place before replacing the CPU. The following thermal grease types are approved for use: • N-302 Dimand TIM Grease • Honeywell 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. Socket Pin1 Locator 2. Using a flat-bladed screw driver, rotate the CPU locking screw 180° clockwise to secure the CPU in place. Chapter 3 109