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Assistouest computer and high-tech tutorials

A problem with your PC, software to configure or a device to choose? Find computer tutorials and high-tech guides to solve your problems step by step.

Rediscover from the archives

Older tutorials, still consulted and useful when you run into the right problem.

Buying Guide

How to Turn an Old Hard Drive (HDD or SSD) into External Storage?

Would you like to reuse your old hard drive for affordable computer hardware? Good news: you can reuse an external hard drive that’s no longer in use. For example, after upgrading to a new, more powerful hard drive. Recycle your old hard drive into an external storage device Although your hard disk is slower than … Continued

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Web

Reactivate uBlock Origin on Chrome after Google’s Manifest V3 rollout

Google’s Manifest V3 rollout severely restricts the capabilities of ad-blocking extensions, which can automatically disable uBlock Origin or even make it disappear from the Chrome Web Store. If you use the stable version of Chrome in 2026, you have probably noticed that your usual blocker no longer works or has been disabled by the browser. … Continued

Linux

Compile your own Arch Linux kernel and add it to GRUB

Distribution kernels are designed to run everywhere, from a Linux distribution on an old laptop to a current production machine. That universal approach includes drivers, filesystems and subsystems you may never use, making the kernel larger, more complex and broadening its attack surface. Compiling a minimal kernel tailored to your hardware can reduce that complexity … Continued

Windows

Secure Boot Violation: what to do and how to fix the UEFI error

You turn on your computer and, instead of Windows loading, a black screen or red panel displays Secure Boot Violation. The system refuses to go further. This can happen after a Windows update, a hardware change or an attempt to install Linux. The motherboard detects a change it does not recognise and blocks startup for … Continued

Windows

Driver Booster Pro review: I tested it to update my PC drivers

Automatic driver-updater software has a poor reputation, and Driver Booster is no exception. A search for reviews finds people who recommend uninstalling it immediately and others who say they have used it without trouble for years. For my part, I have used Driver Booster more than 100 times to find and install drivers on Windows … Continued

Hardware

What is a CPU with an NPU (Neural Processing Unit)?

Modern processors increasingly use heterogeneous architectures. Where a CPU once handled every calculation, it is now accompanied by specialised units, each optimised for a particular task: graphics and multimedia through the iGPU, and artificial-intelligence workloads through the NPU. Integrating an NPU into a processor is a logical extension of this hardware specialisation. A CPU with … Continued

Android

How to flash Samsung firmware (ROM) with Odin

Your Samsung won’t start up, keeps looping on the logo, or won’t accept official updates. Customer services have told you it will take three weeks and that the device will need to be reset. The Android system just needs to be rewritten. Odin forces a factory firmware reinstallation directly from your PC. This is the … Continued

Android

What does flashing Android firmware mean?

If you use Android or simply follow the smartphone world, you may have heard the expression “flashing the firmware”. What does it really mean, and why would you do it? This guide explains the process step by step and defines the key terms along the way. What is a firmware flash? Firmware flashing is a … Continued