Acer Aspire 9400 Service Guide

							45Chapter 2
Set Supervisor/User Password
If password on boot is required, the password must be set otherwise it cannot be enabled.
The formats of the password are as follows:
Length           No more than 8 characters
Characters    0-9,A-Z (not case sensitive) 
While these fields are highlighted and press “Enter”,  a window similar to the following is shown: 
If there is an old password then setup will prompt with the following window instead and a current password 
will be required to be entered at first: Set HDD Password When shown as [Locked], the hard drive 
password currently can not be changed 
or disabled.
To change or disable it, turn off the 
system and enter Setup immediately after 
turning it back on.
Press [Enter] to input change, or disable 
hard drive password.Enter
Password on boot Defines whether a password is required 
or not while the events defined in this 
group happened. The following sub-
options are all requires the Supervisor 
password for changes and should be 
grayed out if the user password was used 
to enter setup. 
Allows the user to specify whether or not 
a password is required to boot.  Disabled 
Enabled
ParameterDescriptionOption
     Set SupervisorPassword 
Enter New Password     [             ] 
Confirm New Password   [             ] 
Set Supervisor Password 
Enter current password   [             ] 
Enter New Password     [             ] 
Confirm New Password   [             ]  
						

							Chapter 246
User can now type password in field “Enter New Password”, and re-enter password in field “Confirm New 
Password” for verification. 
If the verification is OK: 
The password setting is complete after user presses enter. 
If the current password entered does not match the actual current password: 
If the new password and confirm new password strings do not match: 
Setup Notice 
Changes have been saved. 
[ continue] 
Setup Warning 
Invalid password 
Re-enter Password 
[ continue] 
Setup Warning 
Password do not match 
Re-enter Password  
						

							47Chapter 2
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 and onboard LAN device.
.
ParameterDescription
Boot priority order Keys used to view or configure devices: Up and Down 
arrows select a device.  and  movew the device up 
or down.  and  specifies the device fixed or 
removable.
>
 exclude or include the device to boot.
 enables or disables a device.
 Loads default boot sequence.
PhoenixBIOS Setup Utility 
          Info.       Main       Security        Exit 
 
  
Item Specific Help 
  
   
   
 
 Use  or  to select
a device, then press
 to move it up the
list, or  to move
it down the list.
Press  to escape 
the menu. 
 
F1  Help       ↑↓ Select Item          F5/F6 Change Values             F9 Setup Defaults 
Esc Exit        ← →  Select Menu      Enter  Select   4Sub -Menu      F10 Save and Exit  
Boot
+Hard Drive
Floppy Drive
CD-ROM/DVD Drive
Network Boot       
						

							Chapter 248
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 
ChangesExit utility without saving Setup data to CMOS
Load Setup Default Load default values for all SETUP items
Discard Changes Load previous values from CMOS for all SETUP items
Save Changes  Save Setup Data to CMOS
PhoenixBIOS Setup Utility 
 Info. Main          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 349
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
TSmall Philips screw driver
TPhilips screwdriver
TPlastic flat head screw driver
TTw e e z e r s
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. 
When you remove the stripe cover, please be careful not to scrape the cover.
Chapter 3
Machine Disassembly and Replacement 
						

							50Chapter 3
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. 
						

							Chapter 351
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.
3.Remove the battery pack.
NOTE:  This 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.
NOTE: There are several types of screws used to secure bottom case and upper case assembly. The screws 
vary in length. Please refer the picture below, group the same type of screws together during service 
disassembling. Please also remember the screw location for each screw type. If you fasten the screw to 
the wrong location, the screw may be too long to damage the main board. 
						

							52Chapter 3
Removing the Battery Pack
1.Release the battery lock.
2.Slide the battery latch.
3.Remove the battery pack.
 
 
07 - 第 
						

							Chapter 353
Removing the miniPCI/Memory/HDD Module/Keyboard
Removing the miniPCI and Memory
1.Remove the two screws securing the miniPCI cover.
2.Remove the miniPCI cover.
3.Disconnect the wireless antenna.
4.Remove the wireless LAN card.
5.Remove the two screws securing the RAM door and remove the RAM door.
6.Press the left and right latches to pop up the memory. 
						

							54Chapter 3
Removing the HDD
1.Remove the three screws that secure the HDD cover.
2.Remove the HDD cover.
3.Pull the HDD outward a little bit and remove the HDD.
Removing the keyboard
1.Open the notebook.
2.Remove the middle cover.
3.Release the four keyboard latches.
4.Pull the keyboard and trun it over.
5.Disconnect the keyboard FFC from the mainboard.