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ASUS Desktop PC
User Guide
D641MD
D641SC

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Summarization of Contents

Notices
Federal Communications Commission Statement
FCC compliance statement for electronic devices.
Lithium Battery Warning
Safety warning regarding lithium battery replacement and disposal.
Canadian Compliance Statements
IC: Canadian Compliance Statement
Industry Canada compliance statement for electronic devices.
International Compliance and Warnings
VCCI: Japan Compliance Statement
VCCI compliance statement for electronic equipment in Japan.
India E-Waste (Management) Rules 2016
Compliance with India's E-Waste Management Rules.
KC: Korea Warning Statement
Warning statement for Korean electromagnetic compatibility (EMC).
RF Equipment Notices
CE: European Community Compliance Statement
CE compliance statement for electromagnetic field exposure.
Wireless Radio Use Restrictions
Restrictions and guidelines for using wireless radio features.
Radio Frequency Energy Exposure
Information on radio frequency energy exposure limits.
FCC Bluetooth Wireless Compliance
Compliance statement for FCC Bluetooth wireless devices.
Bluetooth Industry Canada Statement
Canadian compliance statement for Bluetooth devices.
BSMI: Taiwan Wireless Statement
Taiwanese compliance statement for wireless devices.
Japan RF Equipment Statement
Japanese statement regarding indoor use of specific frequency bands.
KC (RF Equipment)
Korean statement regarding RF equipment usage.
Optical Drive Safety Information
Laser Safety Information
Safety warnings and regulations for laser products.
CDRH Regulations
US FDA CDRH regulations for laser products manufactured after 1976.
Safety Information
General Safety Precautions
Important safety guidelines for operating and maintaining the desktop PC.
ENERGY STAR Program Information
Information about the ENERGY STAR program for energy efficiency.
User Guide Conventions
Conventions Used in This Guide
Explanation of symbols and formatting used throughout the manual.
Where to Find More Information
Resources for additional product information and support.
Package Contents
Included Peripherals and Media
List of standard and optional items included in the PC package.
Getting Started
Welcome
Introduction and thank you message for purchasing the ASUS Desktop PC.
Getting to Know Your Computer
Overview of computer hardware, including front and rear panel components.
Front Panel Overview
Front Panel Components and Ports
Detailed descriptions of front panel buttons, LEDs, bays, and ports.
Rear Panel Overview
Rear Panel Components and Ports
Detailed descriptions of rear panel ports, connectors, and indicators.
Setting Up Your Computer
Connecting an External Monitor
Instructions for connecting a monitor to the computer's display outputs.
Connecting Peripherals
Connecting USB Keyboard and Mouse
Guide for connecting USB keyboard and mouse to the computer.
Connecting the Power Cord
Steps for connecting the computer's power cord to a power source.
Connecting Multiple Displays
Connecting Multiple External Displays
Instructions for setting up and connecting multiple monitors.
Initial Computer Operations
Turning Your Computer ON
Procedure for powering on the ASUS Desktop PC after setup.
Connecting Devices to Your Computer
Connecting a USB Storage Device
Guide for connecting USB storage devices like flash drives and external HDDs.
Audio and Device Connections
Connecting Microphone and Speakers
Instructions for connecting microphones and speakers to audio ports.
Changing External Audio Output
How to switch audio output to external devices via Audio Manager.
Using Your Computer
Proper Posture for Desktop PC Use
Ergonomic guidelines for comfortable and safe computer usage.
Computer Hardware Management
Using the Memory Card Reader
Instructions for inserting, accessing, and removing memory cards.
Using the Optical Drive
Steps for inserting and removing discs from the optical drive.
System Configuration and BIOS
Configuring USB Ports via BIOS
Guide to enabling/disabling USB ports through BIOS Setup.
Configuring HDD Security Setting via BIOS
Steps to set or change HDD password protection in BIOS.
Connecting to the Internet
Connecting via DSL/Cable Modem
Guide for setting up an internet connection using a DSL or cable modem.
Connecting via Local Area Network (LAN)
Guide for setting up an internet connection using a local area network.
Configuring Dynamic IP/PPPoE Connection
Steps to configure dynamic IP or PPPoE internet connection settings.
Configuring Static IP Network Connection
Steps to configure a static IP address for internet connection.
ASUS Business Manager Installation
Installing ASUS Business Manager
Procedure for installing the ASUS Business Manager software.
ASUS Business Manager Navigation
Starting and Viewing ASUS Manager
How to launch ASUS Manager and switch between Icon and List views.
ASUS Business Manager System Features
System Information and Updates
Accessing system details and updating drivers, BIOS, and applications.
ASUS Business Manager Security
Security Features: PC Cleanup and Secure Delete
Using PC Cleanup to free space and ASUS Secure Delete to permanently erase files.
ASUS Business Manager Utilities
USB Lock and Backup/Recovery
Securing USB ports and performing system backup and recovery operations.
ASUS Business Manager Tools
Power Management and Tools
Configuring power settings and accessing support tools within ASUS Manager.
Ai Booting and MyLogo
Managing boot sequence and customizing the boot logo.
ASUS Business Manager Customization
Ai Booting and MyLogo
Managing boot sequence and customizing the boot logo.
Changing BIOS Boot Logo
Procedure to change the computer's BIOS boot logo.
Troubleshooting Common Issues
My Computer Cannot Be Powered On
Solutions for power-on issues and unresponsive power LEDs.
My Computer Hangs
Steps to resolve system freezing or hanging issues.
Cannot Connect to Wireless Network
Troubleshooting steps for wireless network connectivity problems.
Troubleshooting System Problems
Keyboard and Display Issues
Resolving issues with arrow keys, no monitor display, and multiple monitor problems.
USB Storage Device Detection
Troubleshooting steps for when the computer doesn't detect USB storage devices.
Troubleshooting Connectivity and Media
System Settings and Media Playback Issues
Resolving system settings restore, HDTV picture distortion, no sound, and DVD drive issues.
Troubleshooting Hardware Issues
Power and Display Problems
Solutions for no power indicator and no display output after turning on.
Troubleshooting Connectivity and Performance
LAN and Audio Connectivity Issues
Troubleshooting internet access and audio output problems.
Troubleshooting System Performance
System Performance and Stability
Resolving issues with slow system speed, hanging, or freezing.
Troubleshooting CPU and System Noise
CPU and System Noise
Addressing noisy fans during startup and operation, and system temperature.
Windows 10 Initial Setup
Starting for the First Time
Guide for the initial setup process of Windows 10 on the new PC.
Windows 10 Interface Navigation
Navigating the Windows 10 UI
Overview of the Start menu, taskbar, and UI elements.
Pinning Apps to Start Screen or Taskbar
Instructions for pinning applications to the Start screen and taskbar.
Windows 10 Screen Management
Managing the Start Screen
How to move and unpin apps from the Windows 10 Start screen.
Windows 10 Taskbar and Task View
Taskbar and Task View
Using the taskbar for running apps and the Task View feature.
Windows 10 Productivity Features
Using the Snap Feature
How to use the Snap feature to arrange multiple apps on screen.
Windows 10 Navigation and Shortcuts
Windows 10 Keyboard Shortcuts
List of useful keyboard shortcuts for navigating Windows 10.
Windows 10 Maintenance
Removing and Reinstalling Windows 10
Procedure to reset the PC to factory settings by removing everything.
ASUS Contact Information
ASUSTeK Computer Inc. Contact Details
Contact information for ASUS headquarters, including technical support.
ASUS Computer International (America) Contact Details
Contact information for ASUS America, including technical support.
ASUS Computer GmbH (Germany and Austria) Contact Details
Contact information for ASUS Europe, including technical support.

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