Acer Aspire 5515 Service Guide

Chapter 121 

Chapter 221
System Utilities
BIOS Setup Utility
The BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/
Output System).
Your computer is already properly configured and optimized, and you do not need to run this utility. However, if 
you encounter configuration problems, you may need to run Setup. Please also refer to Chapter 4 
Troubleshooting when problem arises.
To activate the BIOS Utility, press F2 during POST (when “Press  to enter Setup” message is...

22Chapter 2
Information
The Information screen displays a summary of your computer hardware information.
NOTE:  The system information is su bject to different models.
ParameterDescription
CPU Type This field shows the CP U type and speed of the system.
CPU Speed This field shows the speed of the CPU.
IDE0 Model Name This field shows the model name of HDD installed on primary IDE master.
IDE0 Serial Number This field displays the serial number of HDD installed on primary IDE master.
ATAPI Model Name This...

Chapter 223
Main
The Main screen allows the user to set the system time and date as well as enable and disable boot option 
and recovery.
NOTE: The screen above is for your reference only. Actual values may differ.
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
ParameterDescriptionFormat/Option
System Time Sets the system time. The hours are displayed with 24-
hour format.Format: HH:MM:SS 
(hour:minute:second) 
System Date...

24Chapter 2
Advanced
The Advanced screen allows the user to configure the various advanced BIOS options.
IMPORTANT:Making incorrect settings to items on these pages may cause the system to malfunction. Unless 
you have experience adjusting these items, we recommend that you leave these settings at the 
default values. If making settings to items on these pages causes your system to malfunction or 
prevents the system from booting, open BIOS and choose Load Optimal Defaults in the Exit menu to 
boot up...

Chapter 225
PS/2 Mouse Enable or Disable PS/2 Mouse port IRQ12. Option: Enabled, Auto Detect, or 
Disabled
IDE Controller Configure the Integrated Local Bus IDE 
Controller.Option: Disabled or Enabled
On Chip SATA Enable On chip SATA.  Option: Enabled or Disabled
SATA Mode Select the SATA Mode.  Option: IDE-ACHI or IDE Native
SATA Smbus 
InterfaceEnable or disable the SATA Smbus 
Interface.Option: Enabled or Disabled
USB Host 
ControllerEnable or disable USB hardware.  Option: Enabled or Disabled
Legacy...

26Chapter 2
Security
The Security screen contains parameters that help safeguard and protect your computer from unauthorized 
use.
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....

Chapter 227
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...

28Chapter 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...

Chapter 229
Power
The Power screen allows the user to configure various CPU and power management options and device 
wakeup behavior.
The table below describes the items, menus, and submenus in this screen. Settings in boldface are the default 
and suggested parameter settings. 
ParameterDescriptionOption
Enable Cool ‘n’ 
QuietEnable or disable Cool ‘n’ Quiet CPU power 
management.Option: Enabled or Disabled
C State 
ConfigurationEnable or disable the C2/C3 power states in 
the ACPIFACP table.Option: C2...