Acer Aspire 8940 Service Guide

							Chapter 3141
3.Press down around the perimeter of the bezel to secure it in place. 
						

							142Chapter 3
Replacing the Flush LCD Bezel Cap
1.Place the Bezel Cap on to the LCD Module as shown.
2.Ensure that the LCD cables pass through the hinge wells as shown and pinch the hinge covers together to 
secure them in place. 
						

							Chapter 3143
3.Press the Bezel Cap down as shown to secure it to the LCD Module.
4.Replace the two screws and screw caps. 
						

							144Chapter 3
Main Module Reassembly Procedure
Replacing the CPU
IMPORTANT: The CPU has a Pin1 locator that must be positioned corresponding to the marker on the CPU 
socket.
1.Carefully turn the mainboard upside down (CPU side up), and place the CPU into the CPU socket as shown, 
taking note of the Pin1 locator.
2.Turn the securing screw 180° to secure the CPU in the socket. 
						

							Chapter 3145
Replacing the Graphics Card
3.Insert the Graphics Card into the Mainboard connector.
4.Insert the single screw to secure the Graphics Card to the Mainboard.
StepSizeQuantityScrew Type
Graphics Card M2.5*6.5 1 
						

							146Chapter 3
Replacing the Graphics Card Heatsink
IMPORTANT: Apply a suitable thermal grease and ensure all heat pads are in place before replacing the Thermal 
Module.
The following thermal grease types are approved for use:
•Silmore GP50
•Honeywell PCM45F-SP
•ShinEtsu 7762
The following thermal pads are approved for use:
• Eapus XR-PE
1.Remove all traces of thermal grease from the CPU using a lint-free cloth or cotton swab and Isopropyl Alcohol, 
Acetone, or other approved cleaning agent. 
2.Apply a small amount of thermal grease to the centre of the CPU—there is no need to spread the grease 
manually, the force used during the installation of the Thermal Module is sufficient.
3.Place the heatsink onto from the Graphics Card as shown.
4.Replace the two screws (in numerical order from 1 to 2) to secure the Graphics Card Heatsink to the 
Mainboard.
StepSizeQuantityScrew Type
Graphics Card 
HeatsinkM2.5*6.5 2
1 2 
						

							Chapter 3147
Replacing the Thermal Module
IMPORTANT: Apply a suitable thermal grease and ensure all heat pads are in place before replacing the Thermal 
Module.
The following thermal grease types are approved for use:
•Silmore GP50
•Honeywell PCM45F-SP
•ShinEtsu 7762
The following thermal pads are approved for use:
• Eapus XR-PE
1.Remove all traces of thermal grease from the CPU using a lint-free cloth or cotton swab and Isopropyl 
Alcohol, Acetone, or other approved cleaning agent. 
2.Apply a small amount of thermal grease to the centre of the CPU—there is no need to spread the grease 
manually, the force used during the installation of the Thermal Module is sufficient.
3.Align the screw holes on the Thermal Module and 
Mainboard then replace the module. Keep the 
module as level as possible to spread the thermal 
grease evenly.Replace the single Fan screw and the four Thermal 
Module screws (in numerical order from screw 1 to 
screw 6) to secure the Thermal Module in place.
4.Connect the fan cable to the Mainboard.
1 2
3
4
56 
						

							148Chapter 3
Replacing the Speaker Module
1.Using both hands, insert the Speaker Module into the Lower Cover as shown.
2.Replace the six screws to secure 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.
StepSizeQuantityScrew Type
Speaker Module 6 
						

							Chapter 3149
Replacing the Hinge Supports
1.Insert the left and right Hinge Supports into the Lower Cover as shown.
2.Insert the six screws (three each side) to secure the Hinge Supports to the Lower Cover.
StepSizeQuantityScrew Type
Hinge Supports M2.5*4 6 
						

							150Chapter 3
Replacing the Subwoofer
IMPORTANT: Avoid contact with the speakers when inserting or removing the subwoofers. Contact with the 
subwoofers may result in damage.
1.Using both hands, insert the Subwoofer into the Lower Cover as shown.
2.Insert the four screws to secure 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 4