Acer Aspire 3810tz Service Guide

							Chapter 235
Security
The Security screen contains parameters that help safeguard and protect your computer from unauthorized 
use. 
						

							36Chapter 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 may have to return your notebook computer to your 
dealer to reset it.
Setting a Password
Follow these steps as you set the user or the supervisor password:
1.Use the w andy 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 exceeds 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 User Password parameter to “Set”.
ParameterDescriptionOption
Supervisor Password 
isShows the setting of the Supervisor 
passwordClear or Set
User Password is Shows the setting of the user password.Clear or Set
HDD Password is Shows the setting of HDD passwordClear or Set
Set Supervisor 
PasswordPress Enter to set the supervisor password. 
When set, this password protects the BIOS 
Setup Utility from unauthorized access. The 
user can not enter the Setup menu and 
change he 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 Passwor Press Enter to ser the Hdd password.
When Hdd password is set, this
password protects the Hdd . Other
user can’t steal information.
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 237
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.
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 
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 
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 User 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. 
						

							38Chapter 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.
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. 
						

							Chapter 239
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 item.
Discard Changes Load previous values from CMOS for all SETUP items.
Save Changes Save Setup Data to CMOS. 
						

							40Chapter 2
BIOS Flash Utility
The BIOS flash memory update is required for the following conditions:
‰New versions of system programs
‰New features or options
‰Restore 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 adaptor 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. 
Fellow 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. 
						

							Chapter 341
This chapter contains step-by-step procedures on how to disassemble the notebook computer Aspire 3810T/
3810TZ for maintenance and troubleshooting.
To disassemble the computer, you need the following tools:
‰Wrist grounding strap and conductive mat for preventing electrostatic discharge
‰Small Philips screw driver
‰hilips screwdriver
‰Plastic flat head screw driver
‰Tw 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 
						

							42Chapter 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. 
						

							Chapter 343
Disassembly Procedure Flowchard
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 system board, you must first remove the keyboard, then disassemble the inside assembly frame in 
that order.
Main unit disassembly flow chart
LCM module disassembly flow chart 
						

							44Chapter 3
Removing the Battery Pack
1.Release the battery.
2.Slide the battery latch then remove the battery.
NOTE: Battery has been highlighted with the yellow circle as above image shows. Please detach the battery 
and follow local regulations for disposal.