Computer Repair Book
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Identify and understand the basic components of a computer system
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Perform hardware installation, upgrades, and troubleshooting.
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Diagnose and resolve common software issues.
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Implement effective preventive maintenance practices.
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Understand and apply best practices for data recovery and security.
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Use diagnostic tools and software to identify and fix problems.
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Provide customer service and support in a professional manner.
3. Software Installation and Manageme
3.2. Operating System Installation and Configuration
1 Introduction to Operating Systems
· Definition: An operating system (OS) is the system software that manages computer hardware, software resources, and provides common services for computer programs.
· Common Operating Systems:
o Microsoft Windows: Widely used in personal computers and enterprise environments.
o macOS: Developed by Apple for Mac computers.
o Linux: An open-source operating system used in servers, desktops, and embedded systems.
2 Installing an Operating System
· Preparation:
o Backup Data: Ensure all important data is backed up.
o Check System Requirements: Verify that your hardware meets the minimum requirements for the OS.
o Create Installation Media: Use a USB drive or DVD to create bootable installation media.
· Installation Steps:
1. Boot from Installation Media: Insert the installation media and restart the computer. Enter the BIOS/UEFI setup to change the boot order.
2. Select Installation Type: Choose between a clean install or an upgrade.
3. Partition the Hard Drive: Create and format partitions as needed.
4. Install the OS: Follow the on-screen prompts to complete the installation.
5. Configure Settings: Set up user accounts, time zone, and other preferences.
6. Install Updates: Connect to the internet and install any available updates.
3 Configuring the Operating System
· User Accounts:
o Create User Accounts: Set up accounts for each user with appropriate permissions.
o Configure Account Settings: Adjust settings such as password policies and user privileges.
· System Settings:
o Display Settings: Adjust screen resolution, brightness, and other display options.
o Network Settings: Configure Wi-Fi and Ethernet connections.
o Sound Settings: Adjust audio output and input settings.
· Security Settings:
o Firewall: Enable and configure the firewall to protect against unauthorized access.
o Antivirus Software: Install and configure antivirus software to protect against malware.
User Account Control (UAC): Adjust UAC settings to control administrative access.