Acer 4150 Laptop User Manual


 
56 Chapter 3
General Information
Before You Begin
Before proceeding with the disassembly procedure, make sure that you do the following:
1. Turn off the power to the system and all peripherals.
2. Unplug the AC adapter and all power and signal cables from the system.
3. Remove the battery pack.
NOTE: The screws used to secure bottom case and upper case are more than one type. Please group same
type of screw together as you disassemble the system for service purpose. The image below is for your
reference. Please pay attention to the explanation below.