Acer 7420 Laptop User Manual


 
Chapter 3 61
External Module Disassembly Process
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
Screw Part No.
A M2.5 x L6 86.00E33.736
B M2 x L4 86.00A02.140
C M2 x L4 86.9A552.4R0
G M3 x L4 86.9A544.4R0
K M3 x L3 86.00E94.723
EXTERNAL MODULE DISASSEMBLY
WLAN
BOARD
TURN OFF POWER
AND PERIPHERALS
UNPLUG POWER
CABLES
Cx2
LOWER
COVER
Bx9
DIMM
MODULES
OPTICAL DISK
DRIVE MODULE
Ax1
OPTICAL DISK
DRIVE
Kx2
OPTICAL
LOCKER
BRACKET
HDD
MODULE
HARD DISK
BRACKET
HARD DISK
DRIVE
Gx4
2nd HDD
COVER
HARD DISK
BRACKET
Bx2