Acer Extensa 3100 Service Guide

Chapter 345
Disassembly Procedure Flowchart
The flowchart on the succeeding page 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 system board, you must first remove the keyboard, then disassemble the inside assembly frame in 
that order.
Start
MemoryWireless LAN
 Card
HDD Module
Middle Cover
Lower Case
Assembly
LCD Module
Keyboard
Upper Case
Assembly
Battery Pack...

46Chapter 3
 
Screw List
ItemDescriptionPart Number
A SCW HEX NYL I#R-40/
O#4-40 L5.934.4C210.001
B SCREW MACH WAFER 
M2*L4 NI 86.T39V1.002
C SCREW M2*L9 NYLOK  86.00D38.520
D SCRW WH MS+CBZ 
M2.5+L4 BLACK86.9A323.4R0
E SCREW M2.5-6  86.9A323.6R0
F SCREW M2*3 NYLON 
1JMCPC-42032586.9A352.3R0
G SCREW 
M2.5*4L(NYLOCK)BLA
CK ZN86.9A353.4R0
H SCREW M2.5X6    86.9A353.6R0
I SRW M2.5*8L B/ZN 
NYLOK 700 86.9A353.8R0
J SCREW M2-3  86.9A522.3R0
K SCRW M2*4 WAFER NI  86.9A552.4R0
LCD Module
LCD Inverter
2 hinges...

Chapter 347
Removing the Battery Pack
1.Release the battery lock.
2.Slide the battery latch as shown then remove the battery pack.
  

48Chapter 3
Removing the Wireless LAN Card/the memory and the HDD 
Module and the LCD Module
 Removing the Wireless LAN Card
1.Remove the screw fastening the mini PCI cover.
2.Detach teh mini PCI cover.
3.Disconnect the main and the auxiliary wireless antenna.
4.Pop out the wireless LAN card then remove it.
Removing the Memory and the HDD Module
1.Remove the five screws that secure the HDD cover.
2.Detach the HDD cover from the main unit.
3.Pop up the memory then remove it.
4.Lift up the HDD module then...

Chapter 349
.
Removing the LCD Module
1.Open the notebook as shown.
2.Detach the middle cover from the main unit.
3.Remove the two screws that secure the keyboard.
4.Turn over the keyboard as shown.
5.Disconnect the keyboard cable then remove the keyboard.
6.Tear off the tape fastening the wireless antenna, then pull out the antenna from the main unit.
7.Disconnect the LCD cable from the main board.
8.Close the LCD module and turn over the notebook, then remove two screws fastening the LCD module on 
the...

50Chapter 3
10.Then remove two screws fastening the LCD module.
11 .Detach the LCD module from the main unit carefully. 

Chapter 351
Disassembling the Main Unit
Separate the Main Unit Into the Upper and the Lower Case Assembly
1.Disconnect the touchpad FFC from the main board.
2.Disconnect the system fan cable from the main board.
3.Remove one screw fastening the upper and the lower case assembly as shwon.
4.Remove 15 screws fastening the upper and the lower case assembly on the bottom.
5.Then detach the upper case assembly from the lower case assembly carefully.
Disassembling the Lower Case Assembly
1.Disconnect the...

52Chapter 3
5.Disconnect the microphone cablem from the IO board then detach the microphone.
6.Disconnect the Lid switch cable from the IO board as shown.
7.Remove the four screws fastening the mian board to the lower case.
8.Remove two screws fastening the IO board and one screw holding the modem board.
9.Detach the IO board from the lower case (The IO board is with modem board).
10.Remove the three screws fastening the system fan.
11 .Remove the system fan from the lower case.
12.Remove the two screws...

Chapter 353
18.Disconnect the modem board from the IO board.
19.Disconnect the modem board cable from the modem board.
Disassembling the Upper Case Assembly
1.Disconnect the touchpad FFC from the touchpad then remove it.
2.Remove the five screws fastening the touchpad plate.
3.Detach the scroll key rubber from the touchpad plate.
4.Remove the touchpad plate.
5.Then detach the touchpad from the upper case. 

54Chapter 3
Disassembling the LCD Module
1.Remove the four screw caps as shown.
2.Remove the four screws holding the LCD bezel.
3.Then detach the LCD bezel from the LCD module.
4.Remove the two screws fastening the inverter.
5.Take the inverter out of the LCD panel then disconnect the LCD cable.
6.Disconeect the LCD inverter cable on the other side then remove the inverter.
7.Remove two screws fastening the LCD to the LCD panel.
8.Detach the LCD from the LCD panel. 
9.Remove the two screws fastening the...