IT Support Fundamentals for IT Beginners

Define a network and explore wired and wireless media, Ethernet and fiber, LANs and WANs. Learn how devices connect, share data, and support enterprise networks and DNS services.

Explore how simple networks with two devices expand into switches, routers, and WANs, learn about nodes, NICs, MAC addresses, servers, and clients, and see how patch panels organize enterprise networks.

Understand the osi seven-layer model from physical to application, and see how client and server operating systems run applications and protocols like http, ftp, tcp, and udp.

Explore the OSI model’s seven layers, from physical to application, and learn practical troubleshooting with Wireshark, plus essentials on network security, cloud, and common interview questions.

Learn how public and private IP addresses enable devices within a network to connect, talk, and share files, while private addresses keep traffic hidden from the outside.

Explore the difference between public and private IP addresses, learn how the ISP provides a global public IP for external access, and practice locating both on Windows and online.

Understand how DHCP automatically assigns IP addresses and how DNS maps names to those addresses on a network, making devices connect without manual configuration.

Explore how dhcp provides dynamic ip addresses and dns translates names to ip addresses, enabling seamless name resolution and domain access in Active Directory.

Upgrade a laptop by replacing the hdd with an ssd, learn ssd types like sata and nvme, and follow backup and compatibility steps.

Practice safely replacing a faulty laptop battery by removing a dead battery and installing a matching replacement, ensuring compatibility, anti-static precautions, and proper disposal.

Learn how to replace a laptop keyboard, identifying a failure, unscrewing and disconnecting ribbon cables, selecting a compatible replacement, and reassembling the laptop with care.

Enable Bluetooth and place the headset in pairing mode, then disconnect it from any other device and pair it with the phone.

Install and configure a network tap to passively capture traffic between the router and desktop, enabling monitoring and troubleshooting of congestion, security issues, and unusual data flows without interrupting network.

Learn to connect and configure a network printer in Windows 10 by adding it via IP address or hostname, verify status, and print a test page.

Replace the CMOS battery on the motherboard to fix time and BIOS issues, install a new CR2032, and verify the system clock after reseating the case.

Verify the UEFI settings to adjust the boot sequence so the M2 drive boots first, using keyboard navigation to save, exit, and validate the boot order.

Upgrade a desktop RAM by safely powering off, grounding, checking specs for up to 32 gb DDR3, and replacing a 16 gb RAM module with a 32 gb module.

Configure a RAID array using two hard drives to stripe data for improved performance with RAID zero, while noting no fault tolerance and the need for backups.

Learn to identify the correct PCIe x16 expansion slot and safely install a high-performance graphics card to boost a desktop's performance, preparing the system for reliable IT support.

Enable two-factor authentication on Apple MacBook Pro systems by adding a password and biometric factor via Touch ID, using fingerprint enrollment to strengthen login security.

Install the microsoft 365 app on a mobile device and link it to a pc. Sync emails and files across devices while observing organizational data-sharing policies.

Test a faulty switch port with a loopback plug to quickly determine if the issue lies with the port, the cable, or the connected device.

Configure a small business Wi‑Fi router by setting the router IP to 172.16.3.1, the network name Office Connect, and a WPA2 personal password to ensure reliable and secure internet access.

Troubleshoot a misrecognized webcam in Windows 11 by downloading and installing the correct driver from the manufacturer's site, verifying device recognition, and testing adjustments and connectivity for a successful interview.

Inspect a desktop motherboard for faulty capacitors, recognize bulging or leaking signs, and replace the motherboard to ensure system stability, noting causes like overvoltage and electrolyte leakage.

Replace a laptop RAM module to upgrade memory for smoother video editing, ensuring eight gigs LPDDR3 2930 three megahertz compatibility and proper clipping and casing reassembly.

Compare domain joined machines and workgroup PCs, explaining login methods, domain vs local admin accounts, and the role of the domain server and network connectivity in authentication.

Explore how home and soho networks use routers as wireless access points, assign private and public IP addresses, and use NAT to reach the internet, with ARP and MAC concepts.

Explore a real office network walkthrough from the isp connection to the core router, switches, and data center, and learn entry-level troubleshooting, ticketing, and roles in a corporate environment.

Learn Windows 11 interface and features, including start menu and icons, and how to deploy, license (trial licenses), and manage Windows 11 VMs via Azure for migration from Windows 10.

Explore Windows 11 features and upgrade benefits from Windows 10, including security enhancements like hardware isolation and memory integrity, plus multitasking boosts, gaming, and Microsoft services integration.

Learn to deploy a Windows 11 virtual machine on Azure, covering subscription, resource group, region, image, size, networking, licensing, and cost-saving steps like stopping the VM when not in use.

Start and connect a Windows 11 VM in Azure, connect via RDP, configure privacy and diagnostic data, inspect system details, rename PC, and enroll with Microsoft Entra ID and Intune.

Learn how to personalize Windows 11 by changing wallpapers, themes, start and taskbar settings, colors, lock screen, and dynamic lighting for a tailored, efficient desktop experience.

Learn to navigate and manage files in Windows 11 using File Explorer, with quick access, drives, search filters, and keyboard shortcuts for efficient file organization.

Learn how Windows 11 manages updates and devices with cloud and on-prem tools, including Intune auto enrollment, Entra ID, and policy-driven device management.

Explore Windows 11 security and privacy settings, including Windows Security, firewall and network protection, virus and threat protection, device encryption, exploit protection, and family safety controls.

Learn to manage apps and the Microsoft Store in Windows 11, including installing and uninstalling apps, updating software, and adjusting app settings and licenses.

Learn practical Windows 11 performance optimization by disabling startup apps, tuning visuals and power settings, managing background tasks, cleaning disks, updating the system, and uninstalling unused programs.

Master Windows 11 troubleshooting by using Event Viewer, device manager, drivers, guard mode, and built-in troubleshooters to diagnose network, audio, disk, and printer issues.

Troubleshoot Windows 11 blue screen of death by using event viewer, device manager, memory diagnostics, sfc and dism, then apply safe mode and system restore.

Learn to optimize Windows 11 search and indexing by adjusting status, customizing search locations, and using find my files and exclude folders for faster, more precise results.

Explore Windows Defender and Windows Security features in Windows 11, including virus protection, firewall, ransomware safeguards, scans, and device protection to secure your data.

Explore how to navigate Windows 11 system settings to manage storage, review C drive usage, and control apps, temporary files, system components, and storage sense features.

Explore Windows 11 recovery options, including troubleshooters, reset this PC with keep or remove my files, and a repair via Windows Update, plus how to create a recovery drive.

learn to use remote access technologies for troubleshooting, including remote desktop via windows, powershell sessions, and secure ssl channels to fix issues without leaving the desk.

Learn to establish secure remote desktop connections and manage machines via remote desktop protocol. The lecture covers configuring remote access, enabling services, and using Windows PowerShell remote sessions.

Use ping and ICMP in the command prompt to verify IP reachability, read replies and errors, and master options like continuous ping and packet detail for troubleshooting.