Acer Aspire 4230 Service Guide

Chapter 351
Removing the Express Dummy Card
1.Push the Express Dummy Card all the way in to eject it.
2.Pull it out from the slot.  

52Chapter 3
Removing the SD Dummy Card
1.Push the SD Dummy Card all the way in to eject it. 
2.Pull it out from the slot. 

Chapter 353
Removing the Lower Cover
1.See “Removing the Battery Pack” on page 50.
2.See “Removing the Express Dummy Card” on page 51.
3.See “Removing the SD Dummy Card” on page 52.
4.Loosen the nine (captive) screws to allow access to memory, HDD, and WLAN bays.
5.Carefully open the lower cover.  

54Chapter 3
Removing the DIMM Module
1.See “Removing the Lower Cover” on page 53.
2.Push out the release securing clips on both sides of the DIMM socket to release the DIMM module. 
3.Remove the DIMM module. 
4.Repeat steps for the second DIMM module. 

Chapter 355
Removing the WLAN Module
1.See “Removing the Lower Cover” on page 53.
2.Disconnect the antenna cables from the WLAN board. 
3.Move the cables away and remove the two screws on the WLAN board to release the WLAN board.
 
StepSizeQuantityScrew Type
WLAN Module M2.5*4 2 

56Chapter 3
4.Detach the WLAN board from the WLAN socket. 
NOTE:  When attaching the antenna back to the WLAN board, make sure the cables are arranged properly.  

Chapter 357
Removing the Hard Disk Drive Module 
1.See “Removing the Lower Cover” on page 53.
2.Remove the two securing screws.
3.Use the pull-tab to 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. 
StepSizeQuantityScrew Type
HDD M2.5*4 2 

58Chapter 3
4.Remove the four screws (two on each side of the bracket) securing the hard disk to the carrier.
5.Remove the HDD from the carrier.
StepSizeQuantityScrew Type
HDD Carrier M3*3.5 4 

Chapter 359
Removing the Optical Drive Module
1.See “Removing the Lower Cover” on page 53.
2.Use a screw driver to push the module through the chassis.
3.Pull the optical drive module out from the main unit. 
4.Insert a pin in the eject hole of the ODD to eject the ODD tray.  

60Chapter 3
5.Carefully press down on the locking catch to release the ODD cover.Remove the cover.
6.Remove the two screws securing the ODD bracket and remove the ODD bracket from the optical disk 
drive module.
 
StepSizeQuantityScrew Type
ODD Bracket M2*3 2