Acer Aspire 1670 Service Guide

							Chapter 245
Security
The advanced chipset features setup option is used to change the values of the chipset registers. These 
registers control most of the system options in the computer.
NOTE: Change these settings only if you are familiar with the chipset.
ParameterDescriptionOption
Supervisor Password Is Shows the setting of the user passwordClear or Set
User Password Is Shows the setting of the Supervisor 
passwordClear or Set
Set Supervisor Password Press Enter to set the supervisor password. 
When set, this password protects the BIOS 
Setup Utility from unauthorized access. The 
user can not either enter the Setup menu 
nor change the value of parameters.[Enter]
Set User Password Press Enter to set the user  password. 
When user password is set, this password 
protects the BIOS Setup Utility from 
unauthorized access. The user can enter 
Setup menu only and does not have right to 
change the value of parameters.[Enter]
PhoenixBIOS Setup Utility 
           Info.       Main       Advanced        Boot 
 
Item Specific Help 
Supervisor Password Is: Clear 
User Password Is: Clear
[Enter]Set Supervisor Password
  Password on Boot
 [Disabled]
 
  
 
Supervisor Password 
controls accesses of the 
setup utility.  
 
 
F1  Help       ↑↓ Select Item          F5/F6 Change Values             F9 Setup Default
Esc Exit        ← →  Select Menu      Enter  Select   4Sub-Menu      F10 Save and Exit
 
Set User Passord
[Enter]
Set HDD Password
[Disabled]Exit
Security 
						

							46Chapter 2
Note: When you are prompted to enter a password, you have three tries before the system halts. Don’t forget 
your password. If you forget your password, you may have to return your notebook computer to your dealer to 
reset it.
Setting a password
Follow these steps as you set the user or the supervisor password:
1.Use the w andy keys to highlight the Set Supervisor Password parameter and press the e key. The 
Set Supervisor Password box appears:
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.
Set HDD Password This feature is available to uwer when 
Supervisor is set. Password can be written 
on HDD only when Supervisor password or 
user password is set and password on HDD 
is set to enabled. Supervisor Password is 
written to HDD only when Supervisor 
password is being set. User password is 
written to HDD when both passwords are 
set. When both Supervisor and user 
passwords are present, both passwords can 
unlock the HDD.Disabled or Enabled
Password on Boot Define whether a password is required or 
not while the events defined in this group 
happened. The following sub-options are all 
requires the Supervis or password for 
changes and should be grayed out if the 
user password was used to enter setup.Disabled or Enabled
ParameterDescriptionOption 
						

							Chapter 247
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.
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.  
						

							48Chapter 2
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 249
Boot
This menu allows the user to decide the order of boot devices to load the operating system. Bootabledevices 
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 
CD-ROM/DVD Drive  
+Hard Drive
   
   
 
 Keys used to view or 
configure devices:
 expands or
collapses devices with
a + or -
 expands
all 
 enables or
disables a device  
 and  moves the
device up or 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
Removable Devices 
						

							50Chapter 2
Exit
The Exit screen contains parameters that help safeguard and protect your computer from unauthorized use.
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 Defaults 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 251
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. 
Fellow the steps below to run the Phlash.
1.Prepare a bootable diskette.
2.Copy the Phlash utilities to the bootable diskette.
3.Then boot the system from the bootable diskette. The Phlash utility has auto-execution function. 
						

							Chapter 352
This chapter will guide you how to disassemble and reassemble the 1Aspire series of Tern I.
To disassemble the computer, you need the following tools:
TElectrostatic discharge protective sponge.
TFlat screwdriver.
THex screwdriver
TTw e e z e r s
TPhillips screwdriver (may require different size).
NOTE: 
2The screws for the different components vary in size. 
1The TravelMate series will have different keyboard and surface color.
 
2 During the disassembly process, group the screws with the corresponding components to avoid mismatches when 
putting back the components.
Machine Disassembly and Replacement
Chapter 3 
						

							53Chapter 3
General Information
Before You Begin
Before proceeding with the disassenbly procedure, make sure that you do the following:
1.Turn off the power and remove the power adapter from the system.
2.Remove the system battery as well.
3.Please note that watches, rings, and necklaces should be removed bofore service disassembly. 
						

							Chapter 354
Disassembly Flow Chart
Main Unit
Battery/
PowerBluetooth MDC Main Board
HDD CPU ODD LCD
System fanSpeaker Set