Acer Aspire 7230 Service Guide

Chapter 241
BIOS Flash Utility
The BIOS flash memory update is required for the following conditions:
•New versions of system programs
•New features or options
•Restore a BIOS when it becomes corrupted. 
Use the Phlash utility to update the system BIOS flash ROM.
NOTE: If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery 
Diskette before you use the Phlash utility.
NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the Phlash.
NOTE: Please...

42Chapter 2
Remove HDD/BIOS Utility
This section provide you with removing HDD/BIOS method:
Remove HDD Password:
If you key in the wrong HDD password three times, HDD password error code displays. See the image below.
To reset the HDD password, run HDD_PW.EXE as follows:
1.
Key in hdd_pw 15494 0 
2.Press 2.
3.Select one upper-case string from the list.
4.Reboot system and key in the selected string (0KJFN42 or UVEIQ96) on the HDD User 
Password screen. 

Chapter 243
Remove BIOS Password:
If you key in the wrong Supervisor Password three times, System Disabled displays on the screen. See the 
image below.
To reset the BIOS password, run BIOS_PW.EXE as follows:
1.
Key in bios_pw 14452 0
2.Select one string from the list. 

44Chapter 2
3.Reboot the system and key in the selected string (qjjg9vy, 07yqmjd etc.) for the BIOS user 
password. 

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...

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...

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.
MXM Module M2.5*9 4 N/A
TV Tuner Module M2*3 2 86.ARE07.002
WLAN...

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). 
Removing the SD dummy card
1.Push the SD dummy card all the way in to eject it.
1
2 

Chapter 349
2.Pull it out from the slot.
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. 

50Chapter 3
Removing the Lower Covers
1.See “Removing the Battery Pack” on page 48.
2.Loosen the ten captive screws from the Memory, HDD1, and HDD2 Covers.
   
3.Carefully open the memory cover. 
4.Remove the HDD1 cover as shown. 
HDD2 
Cover Memory 
Cover
HDD1 
Cover