Acer Aspire 4730zg Service Guide

							Chapter 231
Setting a Password
Follow these steps as you set the user or the supervisor password:
1.Use the ↑ and ↓ keys to highlight the Set Supervisor Password parameter and press the Enter 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 Enter. 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 F10 to save the changes and exit the BIOS Setup Utility.
Removing a Password
Follow these steps:
1.Use the ↑ and ↓ keys to highlight the Set Supervisor Password parameter and press the Enter key. The 
Set Password box appears:
2.Type the current password in the Enter Current Password field and press Enter.
3.Press Enter 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. 
						

							32Chapter 2
Changing a Password
1.Use the ↑ and ↓ keys to highlight the Set Supervisor Password parameter and press the Enter key. The 
Set Password box appears.
2.Type the current password in the Enter Current Password field and press Enter.
3.Type a password in the Enter New Password field. Retype the password in the Confirm New Password 
field.
4.Press Enter. 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 F10 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 Enter.
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 233
Boot
This menu allows the user to decide the order of boot devices to load the operating system. Bootable devices 
includes the USB diskette drives, the onboard hard disk drive and the DVD drive in the module bay.
             Ins y deH20 S etup Utility Rev. 3.5
Information     Main     Sec urityB ootExit
Item Spec ific  Help
B oot priority  order:Us e <
↑> or <
↓> to select
a devic e, then pres s
1. IDE0 : W DC W D1600BEV T-22ZCT0< F5>  to move it down the
2. IDE1 : TSS Tc orp CDDVDW  TS -L633A lis t, or < F6>  to move 
3. USB  FDD :  it up the lis t. Pres s
4. Network  B oot : Realtek  Boot A gent < Es c >  to es c ape the menu
5. US B  HDD :
6. US B  CDROM  :
F1 Help           
↑↓ Select Item           F5/F6 Change V alues             F9 Setup Default
ESC Exit         
←→ Select Menu       Enter Select
XS ubMenu     F10 Save and Ex it 
						

							34Chapter 2
Exit
The Exit screen allows you to save or discard any changes you made and quit the BIOS Utility.
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.
             Ins y deH20 Setup Utility Rev. 3.5
Information     Main     S ec urity BootExit
Item Spec ific  Help
E x it S aving ChangesEx it Sy s tem Setup and 
E x it Dis c arding Changes s ave y our c hanges  to
Load S etup Defaults CMOS.
Dis c ard Changes
S ave Changes
F1 Help           
↑↓ Select Item           F5/F6 Change Valies            F9 Setup Default
ESC Exit         
←→ S elec t Menu       Enter Select
XSubMenu    F10 Save and Ex it 
						

							Chapter 235
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: Create a Crisis Recovery Media (such as USB HDD) 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, the system will not boot as the BIOS is not loaded. 
Perform the following steps to use the Flash Utility:
1.Press F2 during boot to enter the Setup Menu.
2.Select Boot Menu to modify the boot priority order, for example, if using USB HDD to Update BIOS, move 
USB HDD to position 1.
3.Execute the IFLASH.BAT batch file to update BIOS (Read xxxxx.fd to Memory). 
						

							36Chapter 2
4.In flash BIOS, the message Please do not remove AC Power Source displays.
NOTE: If the AC power is not connected, the following message displays.
Plug in the AC power to continue.
5.Flash is complete when the following message displays. 
6.Shutdown or reboot base on iflash.bat command. 
						

							Chapter 237
Remove HDD/BIOS Utility
This section provide you with removing HDD/BIOS method:
Remove HDD Password:
•If you key in wrong HDD password three times, Hdd password error code displays. See the image 
below.
To reset the HDD password, run HDD_PW.EXE as follows:
1.
Key in hdd_pw 15494 0 
2.Press 2.
3.Select one upper-case string from the list.
4.Reboot system and key in the selected string (0KJFN42 or UVEIQ96) on the HDD User 
Password screen. 
						

							38Chapter 2
Remove BIOS Password:
If you key in the wrong Supervisor Password three times, System Disabled displays on the screen. See the 
image below.
To reset the BIOS password, run BIOS_PW.EXE as follows:
1.
Key in bios_pw 14452 0
2.Select one string from the list. 
						

							Chapter 239
3.Reboot the system and key in the selected string (qjjg9vy, 07yqmjd etc.) for the BIOS user 
password.
Removing BIOS Passwords:
To clear the password, perform the following steps:
1.From a DOS prompt, Execute clnpwd.exe
2.Press 1 or 2 to clean the desired password shown on the screen.
The onscreen message determines whether the function is successful or not. 
						

							40Chapter 2