Acer Travelmate 4020 Service Guide

							Chapter 345
This chapter contains step-by-step procedures on how to disassemble the notebook computer for 
maintenance and troubleshooting.
To disassemble the computer, you need the following tools:
TWrist grounding strap and conductive mat for preventing electrostatic discharge
TSmall Philips screw driver
TPhilips screwdriver
TPlastic flat head screw driver
TTw e e z e r s
NOTE: The screws for the different components vary in size. During the disassembly process, group the 
screws with the corresponding components to avoid mismatch when putting back the components. 
When you remove the stripe cover, please be careful not to scrape the cover.
Chapter 3
Machine Disassembly and Replacement 
						

							46Chapter 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.
The screws that secure heatsink cover, MIni PCI cover and HDD cover are with the covers. There is no need 
to worry about mix them up. However, please notice that you have to group the screws on the following 
locations together. There are twenty screws holding the bottom case to upper case but some screws are inside 
the system. You may have to remove the HDD, the heatsink cover to see these screws. Mini PCI cover here 
also called RAM/Wireless cover.
Screw TypeLocationQuantity
M2.5*6 Bottom case and IO bezel 
(hightlight with yellow circle)14
IO BezelBattery 
						

							Chapter 347
M2.5*6 Remove the IO bezel then 
you will see.2
M2.5*6 Remove the heatsink cover 
then you will see.1
M2.5*6 Remove the HDD cover then 
you will see.1
M2.5*3 Detach the HDD module  
then you will see.1
M2.5*3 Remove the battery then you 
will see.1
Screw TypeLocationQuantity 
						

							48Chapter 3
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
Battery
HDD CoverODD ModuleRAM/Wireless
CoverE*2
K*2
HDD ModuleWireless LAN
CardMemory
IO Bezel*2
*2
Heatsink
Cover
*2
Thermal
ModuleCPU
ODD
Connector
BoardODD Holder
ODD Drive*6
*3
Middle Cover
*2
Keyboard
*4
(right and left hinges)
LCD Module
*2
Switch Board
*5
*18
Lower and
Upper Case
Assembly
Upper Case
AssemblyLower Case
Assembly
3-in-1 CoverSpeaker SetModem Board
Touchpad
Bluetooth
ModuleTouchpad
BoardTouchpad
Bracket
*2
Main Board*4 *2
*2 screw nutsVGA Heatsink*3 
						

							Chapter 349
 
Screw List
ItemDescription
SCREW M2.0X3.0-I-NI-
NYLOK 86.A03V7.012
SCREW I2.5*3M-
BNIH(M2.5L3)86.T25V7.012
SCREW M2.5*4L-BZN-
NYLOK 86.A03V7.006
SCREW M2.0X5-I-NI-
NYLOK 
86.T23V7.006
SCREW MM25060IL69
86.A08V7.004
SCREW M2.0*5-
I(NI)(NYLOK)
86.T23V7.010
SCREW M2.0X2.5-I-NI-
NYLOK 
86.A03V7.007
SCREW I2*3M-NIHY 
(M2L3) 
86.T25V7.008
SCREW M1.7*3.0-I 
(BK)
86.T50V7.001
SCREW I3*3.5M-
NIH(M3L3.5)86.A03V7.011
4 screw pads
M*4
LCD Bezel
*6 hinges
*2 brackets
LCD Inverter
LCD
AssemblyLCD Cover
*4
LCD Module
LCDLCD CableLCD Brackets
Antenna set 
						

							50Chapter 3
Removing the Battery Pack
NOTE: This chapter is base on Aspire 1410 and Aspire 1680 to edit. Since they have the similar disassemble 
and reassemble procedures.
1.Unlock the battery lock.
2.Slide the battery latch as shown then remove the battery pack.
  
						

							Chapter 351
Removing the HDD Module/the memory and the Wireless LAN 
Card/the Thermal Module and the CPU/ODD and the LCD 
Module
 Removing the HDD Module
1.Remove the two screws holding the HDD cover.
2.Remove the HDD cover.
3.Detach the HDD module then remove it.
Removing the Memory and the Wireless LAN Card
1.Remove the two screws that secure the RAM/Wireless cover.
2.Remove the RAM/Wireless cover.
3.Pop up the memory then remove it.
4.Disconnect the auxiliary and the main wireless antennae.
5.Pop the wireless LAN card then remove it.
. 
						

							52Chapter 3
Removing the Thermal Module and CPU
1.Remove the two screws holding the IO bezel.
2.Then remove the IO bezel.
3.Remove the two screws that secure the heatsink cover.
4.Remove the heatsink cover from the main unit.
5.Disconnect the fan cable.
6.Remove the four screws that secure the thermal module.
7.Pull the thermal module outwards then remove it.
NOTE: The edge of the thermal module as shown is very sharp. Be very careful as you remove the thermal 
module.
8.Use a flat-bladed screwdriver to release the CPU lock.
9.Remove the CPU from the socket carefully. 
						

							Chapter 353
Removing the ODD Module
1.Remove the three screws holding the middle cover.
2.Detach the middle cover carefully. 
.
3.Turn over the keyboard as shown.
4.Disconnect the keyboard cable from the main board then remove the keyboard.
5.Remove the screw that fastens the ODD module.
6.Turn over the notebook computer then detach the ODD module carefully.
NOTE: When you reattach the ODD, please make sure you attach the ODD module completely to the main 
unit. Otherwise, you can not fasten the screw and the screw may damage the main board. 
						

							54Chapter 3
Removing the LCD Module
1.Remove the three screws holding the keyboard cover.
2.Open the LCD module as the picture shown then detach the keyboard cover from the main unit.
.
3.Remove the two screws that secure the keyboard as shown.
4.Turn over the keyboard as shown and disconnect the keyboard cable then remove the keyboard.
5.Pull out the antenna set with a tweezers then take out the antenna set from the main unit.
.
6.Disconnect the LCD coaxial cable.
7.Remove the four screws holding the right and the left hinge. Two on each side.
8.Then detach the LCD module from the main unit.
.