IT Infra covers everything you need to build, manage, and maintain a reliable IT environment. From networking basics to system administration, cloud setups, tools, and troubleshooting, this section helps you understand and solve real-world IT challenges with clear, step-by-step guides.
Networking & Wi-Fi
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“No internet” errors with active Wi-Fi are typically caused by DNS failures, incorrect IP addresses, router issues, or temporary software glitches. A short ...
The Tech wizard
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Low latency—not raw speed—matters most for gaming. Optimizing band choice, channel width, QoS, router placement, and device settings delivers smoother gameplay ...
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5GHz Wi-Fi delivers higher speeds but shorter range because higher-frequency radio waves lose energy faster and struggle to pass through walls. Placement, ...
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Wi-Fi 6 delivers major real-world gains for most homes today, while Wi-Fi 7 targets cutting-edge speed and latency for future devices. For most users, Wi-Fi 6 ...
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Wi-Fi authentication errors are typically caused by incorrect credentials, outdated saved settings, or security mismatches. A few targeted fixes—forgetting the ...
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Firmware updates patch security flaws, fix bugs, and improve router performance. Keeping your router up to date reduces hacking risks and helps maintain fast, ...
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To boost Wi-Fi on phone devices, focus on signal strength, Wi-Fi band selection, background settings, and router placement. Most mobile Wi-Fi issues are caused ...
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Ethernet remains faster than Wi-Fi because it provides a dedicated, interference-free connection with lower latency and consistent speeds. Although modern ...
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Choosing between 5GHz and 2.4GHz Wi-Fi comes down to speed vs range. This guide explains which band offers better performance for your devices and how to ...
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If your Wi-Fi slows down in an apartment, the main culprit is channel congestion. This guide explains the best 2.4GHz Wi-Fi channel to use and gives simple, ...
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If your Wi-Fi becomes slow every night, you're not alone. This guide reveals why wifi slow at night is so common and shows you simple fixes to restore fast, ...
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Stop Losing Files: The Ultimate 4-Folder Digital Filing System for Clutter-Free Google Drive/Dropbox
This guide teaches you a simple, repeatable digital filing system built around four folders—perfect for Google Drive or Dropbox—to eliminate clutter and help ...
The IT Infra category at Techwizs is designed to support beginners, IT enthusiasts, and system administrators who want practical knowledge on modern infrastructure. Explore guides on networking setups, firewall configurations, Windows and Linux system administration, Microsoft 365 and Intune management, cloud deployments, virtualization, server optimization, and essential IT tools.
Whether you’re troubleshooting slow Wi-Fi, configuring multi-WAN failover, setting up user accounts, deploying VMs, or learning how IT systems work together, this category provides reliable answers written in a friendly and easy-to-follow style. Our goal is to make IT infrastructure simple, practical, and accessible for everyone.
