User Guide

Chapter 5 Troubleshooting Guidelines
340S8 Rev : A Page
41
1. Before doing the disassembly, you MUST first remove the battery from the battery
compartment and no external power is supplied to the machine.
2. Unfasten the one (1) screw on the CPU cover.
3. Unfasten four (4) screws on the CPU fan + heat sink assembly. Please follow the sequence
when unfastening.
When fastening, you must start on # 4 , 3 , 2 and 1 ( counter clockwise direction)
4. Disconnect the cable CPU fan + heat sink assembly from the mainboard.
5. Gently press down the lever arm of the CPU
socket and lift it up until the lever arm is in
stand position.