Acer Travelmate C300 Service Guide

							Chapter 243
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”.
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: 
						

							44Chapter 2
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.
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 245
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.
PhoenixBIOS Setup Utility 
  Information       Main       Advanced       Security       Boot       Exit 
 
  
Item Specific Help 
Hard Drive   
Removable Device   
CD-ROM Drive 
 
 Keys used to view or configure
devices:  expnads or 
Collapses Devices with a 
+ or -
 expnads all
 enables or disables
a device.
 and  moves the device
up or down.
 May move removable
device between Hard Disk or
Removable Disk.
 Remove a device that is 
not installed.  
 
F1  Help       ↑↓ Select Item          F5/F6 Change Values             F9 Setup Defaults 
Esc Exit        ← →  Select Menu      Enter  Select   4Sub -Menu      F10 Save and Exit   
						

							46Chapter 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 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.
PhoenixBIOS Setup Utility 
  Information       Main       Advanced       Security       Boot       Exit  
 
  
Item Specific Help 
Exit Saving Changes  
Exit Discarding Changes  
Load Setup Defaults   
Discard Changes   
Save Changes   
  
  
Exit System Setup and 
save your changes to 
CMOS. 
 
F1  Help       ↑↓ Select Item          F5/F6 Change Values             F9 Setup Defaults 
Esc Exit        ← →  Select Menu      Enter  Select   4Sub-Menu      F10 Save and Exit   
						

							Chapter 247
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 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 Phlash utilities to the bootable diskette.
3.Then boot the system from the bootable diskette. The Phlash utility has auto-execution function. 
						

							48Chapter 2 
						

							Chapter 349
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
TPhilips screw drivers
TFlat head screwdriver
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 middle cover, please be careful not to scrape the cover.
Chapter 3
Machine Disassembly and Replacement 
						

							50Chapter 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.
NOTE:  TravelMate C300 series product uses tape to fasten the antenna/cable, you may need to tear the tape 
before you remove the antenna.
NOTE: The disassembly is based on an engineering sample, therefore, the number of the screws may differ 
from what you would actually get.ct the wireless antennas before you detach the entire LCD module. 
						

							Chapter 351
Disassembly Procedure Flowchart
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 then disassemble the inside assembly frame in that order.
   
Start
Battery
HDD CoverMini PCI
CoverODD ModuleDIMM Cover M3L4*1 M2.5L6*1Keyboard
HDD Module
HDD HolderHDD Drive
ODD BracketM2L3*4
Optical Drive
Optical Device
Board
ODD
ConnectorM2L4*2
Hinge CoversKeyboard
Support PlateMiddle Cover
RTC Battery
Memory
(upgrade)Wireless LAN
Card
Memory/
MDC
board
Disconnect
Bluetooth
LCD Module
M2.5L5*4
Upper
Assembly
M2.5L6*2
M2L6*12
Lower
Assembly
Toucpad
CoverLower case
left coverLower case
right cover
Touchpad
ButtonTouchpad
Scroll KeyTouchpad
Touchpad
Cable
Main Board
Assembly
Heatsink
ModuleSpeaker
ModuleExtension
BoardCPU
Main Board
Inverter
Button Board
LED Board
Main Antenna
LCD/w cable,
brakets
LCD Panel
LCD BracketsLCDLCD Coaxial
Cable M2L8*3
M2L4*4
M2L4*2
M2L4*1
M2L4*2 M2L4*1*4*1 *2
M2L4.5*2
M2L4.5*2
M2L4.5*2
M2L4.5*2
M2L3*8
for CMO 
						

							52Chapter 3
Removing the Battery Pack
1.Release the battery lock.
2.Slide the battery latch then remove the battery.