Acer Aspire 4553 Acer Aspire 4553, 4553G Service Guide - Page 100
Main Module Reassembly Procedure, Replacing the RTC Battery, Replacing the CPU - drivers
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Main Module Reassembly Procedure Replacing the RTC Battery 1. Snap the RTC battery into its socket as shown, plus side (+) up. 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. CPU Pin1 Locator 2. Using a flat-bladed screw driver, rotate the CPU locking screw 180° clockwise to secure the CPU in place. 90 Chapter 3