Acer Aspire 4730zg Service Guide

Chapter 341
Machine Disassembly and Replacement
This chapter contains step-by-step procedures on how to disassemble the notebook computer for 
maintenance and troubleshooting.
Disassembly Requirements
To disassemble the computer, you need the following tools:
•Wrist grounding strap and conductive mat for preventing electrostatic discharge
•Flat screwdriver
•Philips screwdriver
•Plastic flat screwdriver
•Plastic tweezers
NOTE: The screws for the different components vary in size. During the disassembly...

42Chapter 3
General Information
Pre-disassembly Instructions
Before proceeding with the disassembly procedure, make sure that you do the following:
1.Turn off the power to the system and all peripherals.
2.Unplug the AC adapter and all power and signal cables from the system. 
3.Place the system on a flat, stable surface. 
4.Remove the battery pack.
Disassembly Process
The disassembly process is divided into the following stages:
•External module disassembly
•Main unit disassembly
•LCD module...

Chapter 343
External Module Disassembly Process
External Modules Disassembly Flowchart
The flowchart below gives you a graphic representation on the entire disassembly sequence and instructs you 
on the components that need to be removed during servicing. For example, if you want to remove the main 
board, you must first remove the keyboard, then disassemble the inside assembly frame in that order.
Screw List
StepScrewQuantityColorPart No.
Memory Cover M2.5*8 (NL)  2 Black 86.AR102.001
WLAN Cover M2.5*8...

44Chapter 3
Removing the Battery Pack
1.Turn computer over. 
2.Slide the battery lock/unlock latch to the unlock position. 
3.Slide and hold the battery release latch to the release position (1), then slide out the battery pack from the main 
unit (2). 
1
2 

Chapter 345
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.  

46Chapter 3
Removing the ExpressCard dummy card
1.Push the ExpressCard dummy card all the way in to eject it. 
2.Pull it out from the slot. 

Chapter 347
Removing the Lower Covers
1.See “Removing the Battery Pack” on page 44.
2.See “Removing the SD dummy card” on page 45.
3.See “Removing the ExpressCard dummy card” on page 46.
4.Remove the three screws from the memory and WLAN bays and loosen the two captive screws on the HDD 
cover.
   
5.Carefully open the memory cover. 
StepSizeQuantityScrew Type
Memory Cover M2.5*8 (NL)  2
WLAN Cover M2.5*8 (NL)  1
HDD 
Cover Memory 
Cover
WLAN 
Cover 

48Chapter 3
6.Remove the HDD cover as shown. 
7.Remove the WLAN cover as shown.  

Chapter 349
Removing the DIMM Modules
1.See “Removing the Battery Pack” on page 44.
2.Remove the Memory Module cover See “Removing the Lower Covers” on page 47.
3.Push out the release latches on both sides of the DIMM socket to release the DIMM module. 
4.Remove the DIMM module. 
5.Repeat steps for the second DIMM module if present. 

50Chapter 3
Removing the WLAN Module
1.See “Removing the Battery Pack” on page 44.
2.Remove the WLAN cover. See “Removing the Lower Covers” on page 47.
3.Disconnect the antenna cables from the WLAN board. 
4.Move the antenna away and remove the two screws on the WLAN board to release the WLAN board. 
 
StepSizeQuantityScrew Type
WLAN Module M2*3 (NL) 2