Introduction to Linux and Popular Distributions

Introduction to Linux and Popular Distributions Linux is a powerful, open-source operating system used in everything from smartphones and web servers to supercomputers and IoT devices.  Known for its speed, stability, and flexibility, Linux is a favorite among developers, IT professionals, and tech-savvy users. What Is Linux? Linux is an operating system kernel first released by Linus Torvalds in 1991.  It forms the foundation of many "distributions" (or distros), which package the Linux kernel with system utilities, a user interface, and various applications. Unlike Windows or macOS, Linux is : Free and open source Highly customizable Used in servers, desktops, mobile devices, and embedded systems Why Use Linux? 1. Stability and Performance : Linux systems are known to run for months or even years without needing a reboot. 2. Security : With stro...

About This Blog

About This Blog

Welcome to Computer Maintenance Blog.


At Computer Maintenance Blog, we are dedicated to helping everyday users and tech enthusiasts keep their computers running smoothly, efficiently, and safely.

Whether you are a complete beginner or someone looking to optimize your system, this blog offers practical guides, expert tips, and step-by-step tutorials on  how to maintain  and troubleshoot your Computer.

Popular posts from this blog

How to Replace a CPU and Apply Thermal Paste the Right Way

How to Replace a CPU and Apply Thermal Paste the Right Way Upgrading your CPU is one of the most effective ways to boost your computer’s performance.  However, replacing a processor and applying thermal paste can be tricky if you have never done it before.  What You will Need New CPU compatible with your motherboard Thermal paste Screwdriver Isopropyl alcohol and lint-free cloth Anti-static wrist strap CPU cooler (air or liquid) Step-by-Step: Replacing a CPU and Applying Thermal Paste Step 1: Power Off and Disconnect the PC Turn off your PC and unplug it from the wall.  Wait a few minutes to let all components cool down. Step 2: Remove the CPU Cooler Unscrew or unclip the cooler.  Gently twist it to break the thermal paste seal, then lift it straight up. Step 3: Clean the Old Thermal Paste Use isopropyl alcohol and a lint-free cloth to clean off the old thermal paste from the CPU and the cooler’s contact plate. Step 4: Remove the Old CPU Lift the retention arm on the...
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Beginner`s Guide to Building a PC

Beginner`s Guide to Building a PC Building your own custom PC can be one of the most rewarding experiences for any tech enthusiast or beginner. Not only does it save money comparedto pre-built systems, but it also gives you full control over the components and performance. 1. What You Need to Build a PC Before you begin, make sure you have all the essential components : Processor (CPU) Motherboard Memory (RAM) Storage (HDD or SSD) Graphics Card (GPU) - if not using integrated graphics Power Supply Unit (PSU) PC Case Cooling system (stock cooler or aftermarket) Operating System (OS) - usually Windows or Linux Also prepare a screwdriver, anti-static wrist strap, and a clean, static-free workspace. 2. Step-by-Step PC Building Instructions Step 1. Prepare the Case and Workspace Unbox your PC case and remove any pre-installed panels. Ensure your workspace is clean and well-lit. Ground yourself to avois static electricity. Step 2. Install the CPU ...
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Understanding BIOS and UEFI

Understanding BIOS and UEFI BIOS and UEFI are essential firmware systems that control how your computer boots and interacts with hardware.  1. What Is BIOS and UEFI ? BIOS (Basic Input/Output System) : Legacy firmware interface used in older PCs. UEFI (Unified Extensible Firmware Interface) : Modern replacement for BIOS with a graphical interface and advanced features like secure boot and larger drive support. 2. How to Access BIOS or UEFI Restart your PC and press the specific key during boot (usually Del , F2 , or F12 depending on the motherboard). On Windows 11, go to Settings > Update & Security > Recovery > Advanced Startup > Restart Now , then choose UEFI Firmware Settings . 3. Common BIOS/UEFI Settings Explained Boot Order : Set which device the system boots from (SSD, USB, etc.). SATA Mode (AHCI/RAID) : AHCI is recommended for SSD performance. XMP (Extreme Memory Profile) : Enables higher RAM speeds if supported. Secur...
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