Acer Aspire 7715z Service Guide

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
HM70-MV Intel BIOS
Information
The Information screen displays a summary of your computer hardware information.
NOTE: The screen above is for your reference only. Actual values may differ according to model.
The table below describes the parameters in this screen. 
ParameterDescription
CPU Type This field shows the CPU type and speed of the system.
CPU Speed This field shows the speed of the CPU.
HDD Model Name This field shows the model name of HDD installed on primary IDE 
master.
HDD...

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. 
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 Sets the system date. Format MM/DD/YYYY 
(month/day/year)
Total Memory...

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
Video 
ConfigurationEnter the Video Configuration menu.  • Render Standby
• IGD—Device2, Function1
• IGD—Pre-allocat Memory
• IGD—DVMT Size
• Clock Chip Initialize
• Enabled CK SSC
• IGD—Boot Type
• IGD—LCD Panel Type
• IGD—TV
• IGD—PAVP Mode
USB Configuration Enter the USB Configuration menu.  • USB Legacy
•EHCI 1, 2
• UHCI 1 ~ 5
• Per-Port Control
• USB Port 0~7
Chipset 
ConfigurationEnter the Chipset Configuration menu.  • Port 80h Cycles
• DMI Link ASPM Control
• Automatic ASPM
• PCI...

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 exceed 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 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...

30Chapter 2
Break Event Enter the Break Event menu. • Storage Break Event
• PCIE Break Event
• PCI Break Event
• EHCI Break Event
• UHCI Break Event
• HDA Break Event 
ACPI S3Enable or Disable ACPI S1/S3 Sleep State. N/A
Wake on PMEDisable or Enable wake up when the 
system power is off and a PCI Power 
Management Enable wake up event occurs.N/A
Wake on Modem 
RingDisable or Enable wake up when the 
system power is off and a modem attached 
to the serial port is ringing.N/A
Quickly S4 
ResumeDisable or...