Acer TravelMate 4530 User Manual

Chapter 241
Removing BIOS Passwords:
If you key in wrong Supervisor Password three time, “System Disabled” displays on the screen. See the image 
below.
To clear the password, perform the following steps:
1.From a DOS prompt, Execute clnpwd.exe
2.Press 1 or 2 to clean the desired password shown on the screen.
The onscreen message determines whether the function is successful or not. 

42Chapter 2 

Chapter 343
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...

44Chapter 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 345
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.
WLAN Module M2*3 (NL) 2 Black MA0000060G0
HDD Carrier M3*3 (NL) 4...

46Chapter 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 347
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.  

48Chapter 3
Removing the ExpressCard dummy card
1.Push the ExpressCard eject button to eject it, then push it all the way in to eject the ExpressCard dummy.  
2.Pull it out from the slot. 

Chapter 349
Removing the Lower Covers
1.See “Removing the Battery Pack” on page 46.
2.See “Removing the SD dummy card” on page 47.
3.See “Removing the ExpressCard dummy card” on page 48.
4.Loosen the five captive screws in the Memory, HDD, and WLAN bays as shown.
   
5.Carefully open the memory cover. 
6.Remove the HDD cover as shown. 
HDD 
Cover Memory 
Cover
WLAN 
Cover 

50Chapter 3
7.Remove the WLAN cover as shown.