Acer Travelmate 7230 Service Guide

							Chapter 241
Remove HDD/BIOS Utility
This section provide you with removing HDD/BIOS method:
Remove HDD Password:
•If you key in wrong HDD password for three time, “HDD password error code” would display on the 
screen. See the image below.
•If you need to solve HDD password locked problem, you can run HDD_PW.EXE
1.
Key in “hdd_pw 15494 0”
2.Select “2”
3.Choose one upper-case string
•Reboot system and key in “0KJFN42” or “UVEIQ96” to HDD user password. 
						

							42Chapter 2 
						

							Chapter 243
Remove BIOS Password:
•If you key in wrong Supervisor Password for three time, “System Disabled” would display on the 
screen. See the image below.
•If you need to solve BIOS password locked problem, you can run BIOS_PW.EXE
1.
Key in “bios_pw 14452 0”
2.Choose one upper-case string
•Reboot the system and key in “qjjg9vy” or “07yqmjd” to BIOS user password. 
						

							44Chapter 2 
						

							Chapter 345
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 process, group the 
screws with the corresponding components to avoid mismatch when putting back the components.
Chapter 3 
						

							46Chapter 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 disassembly
The flowcharts provided in the succeeding disassembly sections illustrate the entire disassembly sequence. 
Observe the order of the sequence to avoid damage to any of the hardware components. 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.
Main Screw List 
Screw TypeNumberPart Number
M2.0*2.5 86.TPK07.001
M3.0*3.5 86.TPK07.002
M3*0.5+3.5 86.A03V7.006
M2.5*6.5 86.ARE07.001
M2.5*5.0 86.ARE07.003
M2.5*3.0 86.TPK07.003 
						

							Chapter 347
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*L3.5 (NL) 2
HDD2 Carrier M3*L3.5 (NL) 4
HDD1 Carrier M3*L3.5 (NL) 4
ODD Bracket M2*L2.5 (NL) 2
Rem ove
Lower Covers
Rem ove
ExpressCard
Dummy
Disconnect pow er
and signal cables
from system
Rem ove
Battery
Turn off system
and peripherals
pow er
Rem ove
HDD1
Rem ove
SD Dummy
Rem ove
Turbo RAM
Rem ove
HDD2Rem ove
ODD
Rem ove
WLAN
Rem ove
PCMCIA Dummy 
						

							48Chapter 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 349
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.  
						

							50Chapter 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.