Acer Aspire 2920 Service Guide

Chapter 361
6.Move the antenna away from the WLAN board and remove the two screws (A) on the WLAN board to 
release the WLAN board.   
7.Detach the WLAN board from the WLAN socket. 
NOTE:  When attaching the antenna back to the WLAN board, make sure the cable are arranged properly. 
Removing the Hard Disk Drive Module 
1.See “Removing the Battery Pack” on page 56.
2.See “Removing the SD dummy card” on page 56.
3.See “Removing the ExpressCard dummy card” on page 57.
4.See “Removing the Lower Cover” on...

62Chapter 3
5.Remove the one screw (D) securing the hard disk drive module. 
6.Slide and lift up the hard disk drive module to remove.  
NOTE: To prevent damage to device, avoid pressing down on it or placing heavy objects on top of it. 
StepSize (Quantity)ColorTo r q u e
1 M2 x L5 (1) Black 1.6 kgf-cm 

Chapter 363
7.Remove the four screws (C) securing the hard disk to the bracket. 
Removing the Optical Drive Module
1.See “Removing the Battery Pack” on page 56.
2.See “Removing the Lower Cover” on page 57.
3.Carefully use a plastic screw driver to eject the optical drive tray. 
StepSize (Quantity)ColorTo r q u e
1~4 M3 x L4 (4) Silver 3.0 kgf-cm 

64Chapter 3
4.Pull the optical drive module out from the main unit. 
5.Remove the two screws (A) securing the locker bracket and remove the locker bracket from the optical 
disk drive module.  
StepSize (Quantity)ColorTo r q u e
1~2 M2 x L4 (2) Black 1.6 kgf-cm 

Chapter 365
Main Unit Disassembly Process
Main Unit Disassembly Flowchart
Removing the CPU and VGA Heatsink Module
1.See “Removing the Battery Pack” on page 56.
2.See “Removing the Lower Cover” on page 57. Screw List
ItemScrewColorPart No.
A M2 x L3 Black 86.00D29.620
D M2 x L5 Black 86.00E32.725
F M2 x L4 Black 86.00F24.724
H M2.5 x L8 Black 86.00E34.738
MAIN UNIT
KEYBOARD
MAIN
BOARD Fx2
MAIN UNIT DISASSEMBLY
LCD MODULE
Hx2 Ax7, Fx4
UPPER CASE
Dx9
LEFT AND RIGHT
SPEAKER MODULEMODEM
BOARD 2xSCREWS...

66Chapter 3
3.Disconnect the heatsink fan connector from the main board. 
4.Remove the five screws securing the CPU and VGA heatsink module in place.  

Chapter 367
5.Slide out and remove the heatsink module. 
Removing the CPU 
1.See “Removing the Battery Pack” on page 56..
2.See “Removing the Lower Cover” on page 57..
3.See “Removing the CPU and VGA Heatsink Module” on page 65. 

68Chapter 3
4.Using a flat screwdriver, turn the CPU socket latch counter-clockwise to release the CPU. 
5.Lift up carefully to remove the CPU. 
NOTE: When installing the CPU, make sure to install the CPU with PIN 1 at the corner as shown.  

Chapter 369
Removing the Keyboard
1.See “Removing the Battery Pack” on page 56..
2.Push down on the lock and release the latches securing the keyboard to the upper case. 
3.Turn over the keyboard on the touchpad area.  

70Chapter 3
4.Disconnect the keyboard cable from the main board to remove the keyboard.   
Removing the LCD Module
1.See “Removing the Battery Pack” on page 56.
2.See “Removing the Lower Cover” on page 57.
3.See “Removing the WLAN Board Modules” on page 60.
4.See “Removing the Keyboard” on page 69.
5.See “Removing the LCD Module” on page 70.