Acer Aspire S3 Ms2346 Service Guide

System Utilities2-13
DOS Flash Utility0
Perform the following to use the DOS Flash Utility:
1. Press  F2 during boot to enter  Setup Menu.
2. Select  Boot Menu  to modify boot priority order.
Example: If using USB HDD to Update BIOS, move USB HDD to position 1.
Figure 2-10. BIOS Boot
3. Insert the USB HDD and reboot computer.
4. Execute < BIOS.BAT> to update BIOS. 
WinFlash Utility0
Perform the following to use the WinFlash Utility:
1. Double click the WinF lash executable file.
2. Click  OK to begin the...

2-14System Utilities
Remove HDD/BIOS Password Utilities0
This section explains how to remove the HDD and BIOS passwords.
Removing the HDD Password0
NOTE:NOTE:
If the incorrect HDD password is entered th ree times in succession, an error is 
generated. (Figure 2-11)
Figure 2-11. Password Error Status
To reset the HDD password:
1. Open the computer in a DOS environment. 
2. Type the following command: 
A\> unlockhd XXXXXXXX
Figure 2-12. Unlock Key Code
NOTE:NOTE :
XXXXXXXX = HDD Password Error Code
3....

System Utilities2-15
Removing the BIOS Passwords0
To clear a lost BIOS password (user or supervisor password), you need to short the clear 
password hardware gap (G2201) located on the mainboard. Refer to the “Clearing the BIOS 
Passwords ” on page5-5 section for detailed instructions.
Figure 2-14. G2201 Hardware Gap 

2-16System Utilities
Using DMI Tools0
The DMI (Desktop Management Interface)  Tool copies BIOS information to EEPROM 
(Electrically Erasable Programmable Read-Only Memory). Used in the DMI pool for hardware 
management.
LAN EEPROM Utility0
LAN EEPROM Utility enables to  change the MAC address.
Perform the following steps to use the LAN EEPROM Utility:
1. Create a DOS bootable USB HDD.
2. Copy the contents of the MAC folder to the HDD and remove the HDD form the computer.
3. Reboot the computer and press...

CHAPTER 3
Machine Maintenance 

3-2
Machine Disassembly and Replacement  . . . . . . . . . . . . . . . . . . 3-3
Recommended Equipment  . . . . . . . . . .  . . . . . . . . . . . . . . . . . . 3-3
Replacement Requirements  . . . . . . . .  . . . . . . . . . . . . . . . . . . . 3-3
Pre-disassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Disassembly Process . . . . . . .  . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Removing the Lower Case  .  . . . . . . . . . . . . . . . . . . . . . . . . . ....

3-3
Replacing the Battery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-71
Replacing the Lower Case. . .  . . . . . . . . . . . . . . . . . . . . . . . . . . 3-74 

3-4 

Machine Maintenance3-5
Machine Maintenance
Machine Disassembly and Replacement0
This chapter contains step-by-step procedures on how to disassemble the notebook 
computer for maintenanc e and troubleshooting.
Cable paths and positioning may not represent the actual model. During the removal and 
installation of the components, ensure all ava ilable cable channels and clips are used and 
that the cables are replaced in the same position.
The screws for the different components vary in size. During the...

3-6Machine Maintenance
Pre-disassembly Instructions0
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. 
Figure 3-1. AC Adapter
3. Remove any dummy cards that are present.
4. Place the system on a flat, stable surface.