Acer Aspire 7520 Service Guide

							Chapter 245
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 may 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” field. The password length can not exceed 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 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 
						

							46Chapter 2
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, the 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.
If the current password entered does not match the actual current password, the screen will show you the 
Setup Warning. 
						

							Chapter 247
If the new password and confirm new password strings do not match, the screen will display the following 
message. 
						

							48Chapter 2
Advanced
The Advanced screen displays advanced settings in BIOS.
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
ParameterDescriptionOption
Advanced CPU Control
Platform Power Management
IDE Configuration
ACPI S1 Sets the ACPI S1 sleep state.
Enabled or Disabled
ACPI S3 Sets the ACPI S3 sleep state.
Enabled or Disabled
Auto wake on S5 Enables the Auto wake on S5 by day of month 
or fixed time of every day, or disables this 
feature.
Disabled, By Every Day, or 
By Day of Month
Crestline PM Support Enables, disables Calistoga Enhanced Power 
Management mode.
Enabled or Disabled
POPUP Support
Enabled or Disabled
POPDOWN Support
Enabled or Disabled
DeepC4
Enabled or Disabled
Hard C4E
Enabled or Disabled
InsydeH20 Setup Utility Rev. 3.0
  Information
 Main
 
Item Specific Help 
 
 
 
 
  
  
  
   
  
These items control 
various CPU parameters.
 
 
F1
        F5/F6
                 F9 Setup Defaults 
Esc  Enter  Select  Sub-MenuF10 Save and Exit  
Auto wake on S5 [Disabled]
Crestline PM Support [Enabled]
POPUP Support [Enabled]
POPDOWN Support [Enabled] ACPI  S1: [Enabled]
ACPI  S3: [Enabled]
DeepC4 [Enabled]
Hard C4E [Enabled]
Security Boot ExitAdvanced
Help
ExitSelect Item
Select MenuChange Values IDE Configuration
Platform Power Management
Advanced CPU Control 
						

							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 onboard hard disk drive, and the CD-ROM in module bay.
InsydeH20 Setup Utility Rev. 3.0
  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-MenuF10 Save and Exit  
SecurityBootExit Advanced
Help
ExitSelect Item
Select MenuChange Values
Boot Priority Order:
1:  IDE 0 : ST980811AS
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.
InsydeH20 Setup Utility Rev. 3.0
  Information
 Main
 
Item Specific Help 
 
 
 
  
  
  
   
  
Exit System Setup and 
save your changes to 
CMOS.
 
 
F1
        F5/F6
                 F9 Setup Defaults 
Esc  Enter  Select  Sub-MenuF10 Save and Exit  
Security BootExit Advanced
Help
ExitSelect Item
Select MenuChange 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 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 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 utility 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, please 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.