Acer Travelmate 4070 Service Guide

							Chapter 246
2.Type a password in the “Enter New Password” field. The password length can not exceeds 8 
alphanumeric characters (A-Z, a-z, 0-9, not case sensitive). Retype the password in the “Confirm New 
Password” field.
IMPORTANT:Be very careful when typing your password because the characters do not appear on the screen.
3.Press e.
                After setting the password, the computer sets the User Password parameter to “Set”.
4.If desired, you can opt to enable the Password on boot parameter.
5.When you are done, press u to save the changes and exit the BIOS Setup Utility.
Removing a Password
Follow these steps:
1.Use the w and y keys to highlight the Set Supervisor Password parameter and press the e key. The 
Set Password box appears:
2.Type the current password in the Enter Current Password field and press e.
3.Press e twice without typing anything in the Enter New Password and Confirm New Password fields. 
The computer then sets the Supervisor Password parameter to “Clear”.
4.When you have changed the settings, press u to save the changes and exit the BIOS Setup Utility.
Changing a Password
1.Use the w and y keys to highlight the Set Supervisor Password parameter and press the e key. The 
Set Password box appears:
2.Type the current password in the Enter Current Password field and press e. 
						

							47Chapter 2
3.Type a password in the Enter New Password field. Retype the password in the Confirm New Password 
field.
4.Press e. After setting the password, the computer sets the User Password parameter to “Set”.
5.If desired, you can enable the Password on boot parameter.
6.When you are done, press u to save the changes and exit the BIOS Setup Utility.
If the verification is OK, the screen will display as following. 
The password setting is complete after the user presses u.
If the current password entered does not match the actual current password, the screen will show you the 
Setup Warning.
If the new password and confirm new password strings do not match, the screen will display the following 
message. 
						

							Chapter 248
Boot
This menu allows the user to decide the order of boot devices to load the operating system. Bootable devices 
includes the distette drive in module bay, the onboard hard disk drive and the CD-ROM in module bay.
PhoenixBIOS Setup Utility 
          Info.       Main       Advanced       Security        Exit 
 
  
Item Specific Help 
Floppy Devices  
+Hard Drive      
 
 + and - indicate device 
categories. Use   to  
expand/collapses.
Boot order is top-down using 
only the top device in each
category.
Use  and  to move
highlighted item up and down.
 
F1  Help       ↑↓ Select Item          F5/F6 Change Values             F9 Setup Defaults 
Esc Exit        ← →  Select Menu      Enter  Select   4Sub -Menu      F10 Save and Exit  
Network Boot
Boot
CD-ROM/DVD Drive 
						

							49Chapter 2
Exit
The Exit screen contains parameters that help safeguard and protect your computer from unauthorized use.
The table below describes the parameters in this screen.
ParameterDescription
Exit Saving Changes Exit System Setup and save your changes to CMOS.
Exit Discarding Changes Exit utility without saving setup data to CMOS.
Load Setup Default Load default values for all SETUP item.
Discard Changes Load previous values from CMOS for all SETUP items.
Save Changes Save Setup Data to CMOS.
PhoenixBIOS Setup Utility 
  Info. Main       Advanced       Security        Boot
 
  
Item Specific Help 
Exit Saving Changes  
Exit Dicarding Changes   
Load Setup Defaults 
 
 Exit System Setup and save 
your changes to CMOS.
 
F1  Help       ↑↓ Select Item          F5/F6 Change Values             F9 Setup Defaults 
Esc Exit        ← →  Select Menu      Enter  Select   4Sub -Menu      F10 Save and Exit  
Discard ChangesExit
Save Changes 
						

							Chapter 250
BIOS Flash Utility
The BIOS flash memory update is required for the following conditions:
TNew versions of system programs
TNew features or options
TRestore 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 use the AC adaptor power supply when you run the Phlash utility. If the battery pack does not 
contain enough power to finish BIOS flash, you may not boot the system because the BIOS is not 
completely loaded. 
Create Crisis Recovery Diskette 
1.Rename BIOS file of this product to BIOS.wph
2.Copy BIOS.wph file to crisis folder and overwrite the original BIOS.wph file.
3.Insert a blank floppy diskette to floppy drive.
4.Run cs.bat and follow its instructions to create crisis recovery diskette.
Recover BIOS from Crisis Recovery Diskette
1.Insert the crisis recovery diskette to the floppy drive.
2.Use AC adaptor power supply.
3.Press Fn and ESC key together for more than two seconds when you power on the system.
4.The system will read the files inside the floppy diskette without backlight.
5.After one to three minutes, the system will automatically reboot. Please do not shut down the system or 
remove the power supply.
6.After step 1 to 5, you sould be able to recover BIOS already. Then you can see the LCD screen with the 
backlight is on. 
						

							51Chapter 2 
						

							Chapter 352
This chapter contains step-by-step procedures on how to disassemble the notebook computer for 
maintenance and troubleshooting.
To disassemble the computer, you need the following tools:
TWrist grounding strap and conductive mat for preventing electrostatic discharge
TFlat-bladed screw driver
TPhillips screw driver
TTw e e z e r s
TPlastic Flat-bladed screw driver
THexed Screw Driver
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
Machine Disassembly and Replacement 
						

							53Chapter 3
General Information
Before You Begin
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
.
NOTE:  Aspire 9100 series product uses mylar or tape to fasten the FFC/FPC/connectors/cable, you may 
need to tear the tape or mylar before you disconnect different FFC/FPC/connectors. 
						

							Chapter 354
Disassembly Procedure Flowchart
The flowchart on the succeeding page 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.
Start
Battery
HDD ModuleHinge Caps
HDD
LCD Module*6Keyboard
Lower Case
Assembly
*3
*3
*11
*4
Dimm Cover
Memory*2
*2
Launch Board
Modem Cover
Modem Board*1
*2
CPU
RTC BatteryMini PCI Card
Plate
Thermal
Module*4 *3
HDD Holder*2
*2
Middle Cover
Upper Case
Assembly
W ireless LAN
AntennaTouchpad
Cover
Touchpad
Button Pad
Touchpad
Upper CaseTouchpad
Cable
Touchpad
Scroll Key
FDD Module
VGA Heatsink
PlateCPU Heatsink
PlateODD Support
BracketHDD BracketODD Module
Main Board
DC BoardPCMCIA Slot
Speaker Set
ODD BracketODD
W ireless LAN
Card
Disconnect
W ireless LAN
Antenna
*4 *2
*3 *1 *1 *4
*2
*4
*2 *4
*2 
						

							55Chapter 3
 
Screw List
ItemDescription
A SCREW F040 9 5.0X5.0 9.5X(IO) R00
B SCREW M2.0X0.4P+3FP ZK(NL)
C SCREW M2.5 K 5/2 X0.85 4 ZK(NL)
D SCREW M2.5X0.45+10K NIL
E SCREW M2.5X0.45+8K ZBL
F SCREW M2.5X0.45P+3F NI
G SCREW M3.0X0.8P+3K NL
4 LCD
Cushions
*4
LCD Bezel
Inverter
LCD*4LCD Panel
LCD BracketsLCD Coaxial
Cable
*4*1
LCD Module