Acer Travelmate 4270 Service Guide

							Chapter 254
Security
The Security screen contains parameters that help safeguard and protect your computer from 
unauthorized use.
The table below describes the parameters in this screen. Settings in boldface are the default and 
suggested  parameter settings.
ParameterDescriptionOption
Supervisor Password Is N/A N/A
User Password Is N/A N/A
HDD Password Is N/A N/A
HDD Master ID N/A N/A
Set Supervisor Password Press Enter to set the administrator 
password. When set, this password 
protects the BIOS Setup Utility from 
unauthorized access. 
[Set]: System password is set
[Clear]: System password is not setLength -- No more than 8 
characters
Characters -- 0-9, A-Z (not 
case sensitive) Set User Password
PhoenixBIOS Setup Utility 
           Info.       Main       Advanced        Boot 
 
Item Specific Help Supervisor Password Is: Clear
 
User Password Is: Clear
HDD Master ID:
[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 Defaults 
Esc Exit        ← →  Select Menu      Enter  Select   4Sub-Menu      F10 Save and Exit  
Set User Passord
[Enter]Clear
Set HDD Password
[Enter]Exit
Security
HDD Password Is:
19894480 
						

							55Chapter 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 256
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  
						

							57Chapter 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
+Hard Drive + and - indicate device categories. Use  to expand/
collapse.
Boot order is top-down using only the top device in each 
category.
Use  and  to move highlighted item up and down. Floppy Devices
CD-ROM/DVD Drive
Network Boot
PhoenixBIOS Setup Utility 
          Info.       Main       Advanced       Security        Exit 
 
  
Item Specific Help 
  
+Hard Drive
   
   
 
 + and - indicate device 
categories. Use 
to expand/collapse.
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
Floppy Devices 
						

							Chapter 258
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       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 359
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 
						

							60Chapter 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.
3.Remove the battery pack.
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. 
						

							Chapter 361
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. 
						

							62Chapter 3
NoPartnamePart No
A SCREW M2.5*3.5-I(NI)(NYLOK)  86.AAV7.001
B SCWER M2.5*3.0I(BNI)(NYLOK)EP 86.T25V7.012
C SCREW M2.0*5.0 I-(BNI)(NYLOK) 86.T23V7.015
D SCREW M2.5-0.45*3.5-F(ANTI-LOOSE) 86.AA7V7.002
E SCREW M2.0*3.0-I-NI-NYLOK TBD
F SCREW M2.5*4-I(BNI) 86.T23V7.019
G SCREW M2.5*6-I(BNI)(NYLOK) 86.A08V7.004
H SCREW M2.5*6.0-P(NI)(NYLOK) 86.AA7V7.003
I SCREW M1.7*3.0-I(BK) 86.T50V7.001
J SCREW M2.5*5.0-I(NI)(NYLOK) 86.T23V7.010
K SCREW M2.0*5-I(NI)(NYLOK) 86.T23V7.006
L SCREW M3*0.5+3.5I TBD 
						

							Chapter 363
Removing the Adapter and Battery Pack
1.Unplug the adapter.
2.Release the battery lock.
3.Slide the battery latch.
4.Remove the battery pack.