Acer Aspire 5720g Service Guide

							Chapter 245
Security
The Security screen contains parameters that help safeguard and protect your computer from unauthorized 
use.
InsydeH2O Setup Utility
            
 
Item Specific Help 
Supervisor Password Is
User Password Is Clear
Set Supervisor Password
Set User Password
  Password on Boot : [Enabled]
 
   
 
Install or Change the 
password.
 
 
 
F1  Help     Select Item     F5/F6 Change Values F9 Setup Defaults 
Esc  Exit       Select Menu Enter  Select    Sub -Menu  F10 Save and Exit  
[Enter]
[Enter]
Set HDD Password [Enter]
HDD Password Clear
Information MainSecurity Boot Exit
Advanced
Clear 
						

							46Chapter 2
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
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 ma y have to return your notebook computer to your 
dealer to reset it.
Setting a Password
Follow these steps as you set the supervisor, user, or hard disk password:
1. Use the  w and y 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” fiel d. The password length can not exceed 8 alphanumeric 
characters (A-Z, a-z, 0-9, not case sensitive). Rety pe the password in the “Confirm New Password” field.
IMPORTANT:  Be very careful when typing your passwor d because the characters do not appear on the 
screen.
3. Press  e. After setting the password, th e computer sets the Supervisor 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.
ParameterDescriptionOption
Supervisor Password is Shows the setting of the Supervisor password
Clear or Set
User Password is Shows the setting of the user password.
Clear or Set
HDD Password Shows the setting of the hard disk password.
Clear 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.
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.
Set HDD Password Press Enter to set the hard disk 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.
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.
Disabled or Enabled 
						

							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 Supervisor 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 Supervisor 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, th e computer sets the Supervisor 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. 
						

							48Chapter 2
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. Bootable devices 
includes the diskette drive in module bay, the onbo ard hard disk drive, and the CD-ROM in module bay.
InsydeH2O Setup Utility
  Information
 Main
 
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
        F5/F6
                  F9
 Setup Defaults 
Esc    Enter   Select  Sub-Menu F10 Save and Exit  
Security BootExit
Advanced
Help Exit Select Item
Select Menu Change Values
Boot Priority Order:
1:  IDE 0 : Hitachi HTS541616J9SA00
2:  IDE 1 : TOSHIBA DVDW/HD TS-L802A
3:  USB FDD :
4:  Network Boot : MBA v9.4.5 Slot 0400
5:  USB HDD :
6:  USB KEY :
7:  USB CDROM : 
						

							50Chapter 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 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.
InsydeH2O Setup Utility
   Information
 Main
 
Item Specific Help  
 
 
 
   
  
  
    
   
Exit System Setup and 
save your changes to 
CMOS.  
 
F1         F5/F6
                  F9
 Setup Defaults 
Esc    Enter   Select  Sub-Menu F10 Save and Exit  
Security BootExit
Advanced
Help Exit Select Item
Select Menu Change Values
Exit Saving Changes
Exit Discarding Changes
Load Setup Defaults
Discard Changes
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 util ity 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 adapter 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. 
Follow the steps below to run the Phlash.
1. Prepare a bootable diskette.
2. Copy the flash utilities to the bootable diskette.
3. Then boot the system from  the bootable diskette. The flash ut ility has auto-execution function. 
						

							52Chapter 2 
						

							Chapter 353
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, pl ease be careful not to scrape the cover.
Chapter 3
Machine Disassembly and Replacement 
						

							54Chapter 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.