Acer Aspire 7720 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...

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...

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...

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...

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....

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...

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...

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.