Acer Aspire 4310g Service Guide

Chapter 371
16.Remove the bracket.
17.Remove the three screws (A) from the launch board.
18.Remove the launch board.
StepSize (Quantity)ColorTo r q u e
1~3 M2 x L4 (3) Black 1.6 kgf-cm 

72Chapter 3
Removing the Touchpad Board 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.See “Removing the DIMM” on page 54.
6.See “Removing the WLAN Board Module” on page 55.
7.See “Removing the Hard Disk Drive Module” on page 56.
8.See “Removing the Optical Drive Module” on page 57.
9.See “Removing the CPU Heatsink Module” on page 60.
10.See “Removing the...

Chapter 373
17.Carefully insert the flat screwdriver under the side of the touchpad board and gently pry up the board.
18.Continue prying the board until it releases from the upper case, then remove the board.  
Removing the Bluetooth Board
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.See “Removing the DIMM” on page 54.
6.See “Removing the WLAN Board Module”...

74Chapter 3
15.Disconnect the Bluetooth cable from the mainboard.
16.Carefully detach the Bluetooth board from the lower case.
Removing the USB board
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.See “Removing the DIMM” on page 54.
6.See “Removing the WLAN Board Module” on page 55.
7.See “Removing the Hard Disk Drive Module” on page 56.
8.See “Removing the...

Chapter 375
15.Disconnect the USB FFC (flat flexible cable) from the mainboard.
16.Pull out the AC input cable and move away from the USB board.
17.Remove the screw (A) on the USB board. 
StepSize (Quantity)ColorTo r q u e
1~2 M2 x L4 (2) Black 1.6 kgf-cm 

76Chapter 3
18.Remove the USB board.
Removing the Mainboard
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.See “Removing the DIMM” on page 54.
6.See “Removing the WLAN Board Module” on page 55.
7.See “Removing the Hard Disk Drive Module” on page 56.
8.See “Removing the Optical Drive Module” on page 57.
9.See “Removing the CPU Heatsink Module” on page 60.
10.See...

Chapter 377
18.Remove the two screws (A) holding the mainboard to the lower case. 
19.Carefully detach the mainboard from the lower case.
Removing the Modem Board 
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.See “Removing the DIMM” on page 54.
6.See “Removing the WLAN Board Module” on page 55.
7.See “Removing the Hard Disk Drive Module” on page 56.
8.See...

78Chapter 3
17.See “Removing the Mainboard” on page 76.
18.Disconnect the modem cable from the mainboard.
19.Detach the masking tape from the mainboard.
20.Remove the two screws (A) on the modem board. 
StepSize (Quantity)ColorTo r q u e
1~2 M2 x L4 (2) Silver 1.6 kgf-cm 

Chapter 379
21.Detach the modem board from the mainboard. 
Removing the RTC Battery
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.See “Removing the DIMM” on page 54.
6.See “Removing the WLAN Board Module” on page 55.
7.See “Removing the Hard Disk Drive Module” on page 56.
8.See “Removing the Optical Drive Module” on page 57.
9.See “Removing the CPU Heatsink...

80Chapter 3
19.Carefully detach the RTC battery from the SD card slot.