Acer 4820T - Manual (Page 55)

Chapter 3 45
External Module Disassembly Process
IMPORTANT:The outside housing and color may vary from the mass produced model.
External Modules Disassembly Flowchart
The flowchart below gives you a graphic representation on the entire disassembly sequence and instructs you on
the components that need to be removed during servicing. For example, if you want to remove the main board, you
must first remove the keyboard, then disassemble the inside assembly frame in that order.
.
Screw List
Step Screw Quantity Part No.
ODD Module M2.5*4L 1 86.PSR07.001
ODD Bracket M2.0*3L 2 86.PSR07.003
WLAN Module M2.0*3L 1 86.PSR07.003
HDD Carrier M3.0*4L 2 86.N1407.007
Disconnect power
and signal cables
from system
Remove
Dummy Card
Turn off system
and peripherals
power
Remove
DIMM
Remove
HDD
Remove
Lower Covers
Remove
WLAN Board
Remove
Battery