Acer Aspire X3990 User Manual

21 Chapter 2
Security
Setting a supervisor password
1. Use the up/down arrow keys to select Change Supervisor Password menu then press Enter.
A password box will appear.
2. Type a password then press Enter.
The password may consist up to six alphanumeric characters (A-Z, a-z, 0-9)
3. Retype the password to verify the first entry then press Enter again.
4. Press F10.
5. Select Yes to save the new password and close the Setup Utility.
Changing the supervisor password
1. Use the up/down arrow keys to select Change Supervisor Password menu then press Enter.
2. Type the original password then press Enter.
3. Type a new password then press Enter.
4. Retype the password to verify the first entry then press Enter again.
5. Press F10.
6. Select Yes to save the new password and close the Setup Utility.
Removing a supervisor password
1. Use the up/down arrow keys to select Change Supervisor Password menu then press Enter.
2. Enter the current password then press Enter.
3. Press Enter twice without entering anything in the password fields.
Parameter Description Option
Supervisor Password This item indicates whether a supervisor password has been set. If the password has been
installed, Installed displays. If not, Not Installed displays.
User Password This item allows you to change user password.
Change Supervisor
Password
You can select this option and press <Enter> to access the sub menu. You can use the sub
menu to change the supervisor password.

Acer Aspire X3990 Specifications

General

Processor Speed	Up to 3.4 GHz
Storage	Up to 2 TB HDD
Operating System	Windows 7 Home Premium
Networking	Gigabit Ethernet
Card Reader	Multi-in-1 card reader
Graphics	Intel HD Graphics
Optical Drive	DVD SuperMulti Drive
Chipset	Intel H61 Express
Memory	DDR3
Audio	Integrated high-definition audio
Ports	HDMI, VGA
USB Ports	USB 2.0
Processor	Intel Core i5-2320

Summary

Acer Aspire X3990 Service Guide

System Tour

Features Overview

Brief summary of the computer's key features and capabilities.

System Architecture Diagram

Visual representation of the system's internal layout and component connections.

Component Identification

Locating and identifying the main internal and external parts of the system.

Hardware Specifications

Detailed technical specifications for processor, memory, storage, and other hardware components.

Power Management Settings

Information on environmental requirements and system power management features.

System Utilities

CMOS Setup Utility Guide

Comprehensive guide to accessing and configuring system BIOS settings.

Entering and Navigating Setup

Step-by-step instructions for accessing and operating the BIOS setup utility.

BIOS Configuration Options

Overview of main setup categories including Main, Advanced, Security, and Boot.

Power and Security Settings

Details on configuring power management, security passwords, and boot options.

System Disassembly and Assembly

Disassembly Requirements and Procedure

Necessary tools and preparatory steps before disassembling the computer.

Removing Key Components

Step-by-step instructions for removing major parts like side panel, CPU, and drives.

Installing Key Components

Step-by-step instructions for installing major parts like CPU, memory, and mainboard.

Final Assembly and Connections

Connecting internal cables and reassembling external components.

System Troubleshooting

Hardware Diagnostic Procedures

Methods for diagnosing hardware issues using built-in diagnostic tests.

System Check and Beep Codes

Procedures for system checks and interpreting BIOS beep error codes.

BIOS Checkpoints and Recovery

Understanding POST checkpoints and performing BIOS recovery procedures.

Jumper and Connector Information

Motherboard Layout and Connectors

Diagram showing motherboard layout and identifying connectors and jumpers.

Jumper Settings Configuration

Guide to setting jumpers for various system configurations and options.

Connector Pinouts and Details

Detailed information on front panel, SATA, USB, and power connectors.

FRU (Field Replaceable Unit) List

Aspire X3990 Exploded Diagram

Visual breakdown of the computer's parts for service and identification.

FRU Part Number Cross-reference

Comprehensive list of replaceable parts with part numbers and descriptions.