Acer Aspire 8940 Service Guide

Chapter 3101
Removing the Kensington Lock Bracket
1.See “Removing the Upper Cover” on page 77.
2.Remove the single screw securing the Kensington Lock Bracket to the Lower Cover.
3.Lift the bracket clear of the Lower Cover.
NOTE: The TV Tuner Antenna located under the bracket may lift away with the bracket. 
StepSizeQuantityScrew Type
Kensington Lock 
BracketM2*3 1 

102Chapter 3
Removing the TV Tuner Antenna
1.See “Removing the Kensington Lock Bracket” on page 101.
2.Remove the Antenna cable from the cable channel as shown. Ensure that the cable is free from all cable clips.
3.Pull the Antenna cable through the casing as shown.
4.Remove the TV Tuner Antenna from the Lower Cover. 

Chapter 3103
Removing the Subwoofer
1.See “Removing the TV Tuner Antenna” on page 102.
2.Remove the Subwoofer cable from the cable channel. Ensure that the cable is free from all cable clips.
3.Remove the four screw securing the Subwoofer to the Lower Cover.
NOTE: The screws securing the Subwoofer in place are cushioned by rubber washers. Ensure that the 
washers are replaced before replacing the screws.
StepSizeQuantityScrew Type
Subwoofer M2*3 4 

104Chapter 3
4.Using both hands, lift the Subwoofer clear of the Lower Cover. 

Chapter 3105
Removing the Hinge Supports
1.See “Removing the Subwoofer” on page 103.
2.Remove the six screws (three each side) securing the Hinge Supports to the Lower Cover.
3.Lift the Hinge Supports clear of the Lower Cover.
StepSizeQuantityScrew Type
Hinge Supports M2.5*4 6 

106Chapter 3
Removing the Speaker Module
1.See “Removing the Mainboard” on page 99.
2.Remove the six screws securing the Speaker Module in place.
NOTE: The screws securing the Speaker Module in place are cushioned by rubber washers. Ensure that the 
washers are replaced before replacing the screws.
3.Using both hands, lift the Speaker Module upward to remove it from the Lower Cover.
StepSizeQuantityScrew Type
Speaker Module M2*3 6 

Chapter 3107
Removing the Thermal Module
1.See “Removing the Mainboard” on page 99.
2.Disconnect the fan cable from the Mainboard.
3.Loosen the six captive screws (in reverse numerical order from screw 6 to screw 1) securing the Thermal 
Module in place.
4.Lift the Thermal Module clear of the Mainboard.
1 2
3
4
56 

108Chapter 3
Removing the Graphics Card Heatsink
1.See “Removing the Thermal Module” on page 107.
2.Remove the two screws (in reverse numerical order from 2 to 1) securing the Graphics Card Heatsink to the 
Mainboard.
3.Lift the heatsink away from the Graphics Card as shown.
StepSizeQuantityScrew Type
Graphics Card 
HeatsinkM2.5*6.5 2
1 2 

Chapter 3109
Removing the Graphics Card
1.See “Removing the Graphics Card Heatsink” on page 108.
2.Remove the single screw securing the Graphics Card to the Mainboard.
3.Remove the Graphics Card from the Mainboard connector.
StepSizeQuantityScrew Type
Graphics Card M2.5*6.5 1 

11 0Chapter 3
Removing the CPU 
1.See “Removing the Thermal Module” on page 107.
2.Turn the securing screw 180° to release the CPU from the socket.
3.Remove the CPU from the socket as shown.
IMPORTANT: The pins on the underside of the CPU are very delicate. If they are damaged, the CPU may 
malfunction. Place the CPU on a clean, dry surface when it is not installed.