Acer Aspire 4310g Service Guide

Chapter 351
Removing the Battery Pack
1.Turn base unit over. 
2.Slide the battery lock/unlock latch to the unlock position (1). 
3.Slide and hold the battery release latch to the release position (2). 
4.Remove the battery from the main unit (3). 

52Chapter 3
Removing the SD Dummy Card
1.See “Removing the Battery Pack” on page 51.
2.Push against the card, as if you were pushing it further into the slot, letting the card spring out.  
3.Remove the card from the slot. 
Removing the Express Dummy Card
1.See “Removing the Battery Pack” on page 51.
2.Push against the card,as if you were pushing it further into the slot, letting the card spring out.   

Chapter 353
3.Remove the card  from the slot.
Removing the Lower Cover
1.See “Removing the Battery Pack” on page 51.
2.Turn the base unit over, then loosen the eight screws (A) on the lower cover.   
3.Use a plastic flat-blade screwdriver to pry open the lower cover. 
StepSize (Quantity)ColorTo r q u e
1~8 M2 x L4 Black 1.6 kgf-cm 

54Chapter 3
4.Remove the lower cover from the lower case. 
Removing the DIMM 
1.See “Removing the Battery Pack” on page 51.
2.See “Removing the Lower Cover” on page 53.
3.Push out the latches on both sides of the DIMM socket to release the DIMM. 
4.Remove the DIMM module.  

Chapter 355
Removing the WLAN Board Module
1.See “Removing the Battery Pack” on page 51.
2.See “Removing the Lower Cover” on page 53.
3.Detach the wireless board barcode label from the WLAN board.  
4.Disconnect the two antenna cables from the WLAN board, then move the antennas away from the board. 
5.Remove the two screws (A) on the WLAN board to release the WLAN board.   
StepSize (Quantity)ColorTo r q u e
1~2 M2 x L4 (2) Black 1.6 kgf-cm 

56Chapter 3
6.Detach the WLAN board from the WLAN socket. 
NOTE:  When attaching the antennas back to the WLAN board, make sure the cable are routed properly. 
Removing the Hard Disk Drive Module 
1.See “Removing the Battery Pack” on page 51.
2.See “Removing the SD Dummy Card” on page 52.
3.See “Removing the Express Dummy Card” on page 52.
4.See “Removing the Lower Cover” on page 53.
5.Remove the screw (A) securing the HDD assembly to the unit.    
6.Pull the HDD module out by pulling on the mylar...

Chapter 357
7.Remove the two screws (A) on the HDD bracket.  
8.Remove the hard disk drive. 
Removing the Optical Drive Module
1.See “Removing the Battery Pack” on page 51.
2.See “Removing the Lower Cover” on page 53.
3.Remove the screw (C) on the bottom side of the unit, as shown. 
StepSize (Quantity)ColorTo r q u e
1~2 M2 x L4 (2) Silver 3.0 kgf-cm
StepSize (Quantity)ColorTo r q u e
1 M2 x L6 (1) Black 3 kgf-cm 

58Chapter 3
4.Using the flat-blade screwdriver, press the end of the module forward, then slide out the optical drive 
module from the main unit.   
5.Remove the two screws (D) securing the optical bracket and remove the locker bracket from the optical 
disk drive module.   
StepSize (Quantity)ColorTo r q u e
1-2 M2 x L2.5 (2) Silver 1.6 kgf-cm 

Chapter 359
Main Unit Disassembly Process
Main Unit Disassembly Flowchart
MAIN UNIT
KEYBOARD
MAIN UNIT DISASSEMBLY
LCD MODULE
Fx4
UPPER CASE
Ax3, Cx11
TOUCHPAD BRACKET
ASSEMBLY
Ax2
CPU HEATSINK
MODULE
Screwx3
LAUNCH
BOARD BRACKET
TOUCHPAD BOARD
CPU
SPEAKERS
Ax4
Ax2
MAINBOARD
Ax1
BLUETOOTH BOARD
USB BOARD
Ax2
MODEM BOARD
RTC BATTERY
MIDDLE COVER
LAUNCH
BOARDAx3
LOWER CASE
POWER BOARD
Ax3 

60Chapter 3
Removing the CPU Heatsink Module
1.See “Removing the Battery Pack” on page 51.
2.See “Removing the Lower Cover” on page 53.
3.Detach the heatsink cable from the mainboard.
4.Loosen the four spring-loaded screws on the heatsink in the order shown. 
5.Remove the heatsink module. Screw List
ScrewPart No.
A M2 x L4 86.00F24.724
C M2 x L6 86.00F58.726
F M2.5 X L8 86.00E34.738