Guides

PC Turns On But No Display: How to Fix It

A black screen on a PC that is clearly running looks like a serious fault. Most of the time it is not. Rule out the cheap causes first.

How Much RAM Do You Need, and Should You Add or Replace?

One of the simplest upgrades available, and the one where the obvious approach is usually the wrong one.

How to Choose a Graphics Card Upgrade

The biggest lever on gaming performance, and the upgrade people most often buy without checking whether it fits or whether the PSU can feed it.

CPU Debug LED? How to Diagnose a CPU or Socket Problem

A CPU debug LED feels like the worst possible result. Usually it is a BIOS version that predates your chip, or a cable that is not clipped in.

How to Tell If Your RAM Is Failing

RAM is the most common hardware fault in a PC, and there is a reason for that. It is the component under constant use.

How to Clean Install Your GPU Drivers with DDU

One of the highest-value troubleshooting steps there is, because it tells you definitively whether you have a driver problem or a hardware one.

PC WiFi Not Working: How to Fix It

WiFi problems split into three groups with completely different causes. Work out which one you have before changing anything.

Never Reuse PSU Cables: Why Modular Cables Are Not Interchangeable

The most expensive mistake you can make with a modular power supply, and an easy one because the connectors look identical.

Do You Need NZXT CAM Running All the Time?

Whether you have to leave software running just to use your hardware genuinely varies across the lineup. Here is what changes when CAM is closed.

Vertical GPU Mounting: Compatibility, Riser Spec and Limits

The mounting kit is discontinued and the H2 Flow took over. What the kit fits if you still have one, and what the H2 Flow gives you if you do not.

Why is RAM so expensive right now?

RAM is expensive because AI servers are absorbing memory production, leaving less DDR5 and DDR4 for PC builders. Here is what the 2026 numbers show, when prices may ease, and where to put your buil...

Is the RTX 5090 worth it?

Thinking about the RTX 5090? We break down the rumored specs, performance, and price to help you decide if this next-gen NVIDIA GPU is worth the upgrade.