Acer 4553G Laptop User Manual


 
90 Chapter 3
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.
2. Using a flat-bladed screw driver, rotate the CPU locking screw 180° clockwise to secure the CPU in place.
CPU
Pin1 Locator