Acer Aspire 4935 Service Guide

Chapter 351
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...

52Chapter 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 353
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
StepScrewQuantityPart No.
WLAN Module M2*3 2 86.AD302.001
HDD Carrier M3*3 4 86.AD302.005
ODD...

54Chapter 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 lift out the battery pack from the main 
unit (2). 
1
2 

Chapter 355
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.  

56Chapter 3
Removing the ExpressCard dummy card
1.Push the ExpressCard all the way in to eject the ExpressCard dummy. 
2.Pull it out from the slot. 

Chapter 357
Removing the Lower Covers
1.See “Removing the Battery Pack” on page 54.
2.See “Removing the SD dummy card” on page 55.
3.See “Removing the ExpressCard dummy card” on page 56.
4.Loosen the five captive screws in the covers as shown.
   
5.Carefully open the DIMM Cover. 
6.Remove the WLAN Cover as shown. 
WLAN 
Cover
HDD 
Cover
DIMM 
Cover 

58Chapter 3
7.Carefully open the HDD Cover.  

Chapter 359
Removing the WLAN Module
1.See “Removing the Lower Covers” on page 57.
2.Disconnect the two antenna cables.
3.Remove the two securing screws.
4.Remove the WLAN module as shown.
StepSizeQuantityScrew Type
WLAN Module M2*3 2 

60Chapter 3
Removing the DIMM Modules
1.See “Removing the Lower Covers” on page 57.
2.Push out the release latches 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.