How to clean a circuit board

How to clean a circuit board

If you want to start an argument, asking how to clean a circuit board is a good way to do it. At the risk of becoming the Internet’s hottest new place to argue, let’s talk about how to go about cleaning one.

Some people get obsessive about how their circuit boards look. While there’s something to the saying that if a board looks good, it works good, the main thing is keeping contaminants off the electrical contacts and preventing dust from causing heat buildup. Unless you have your computer in a translucent case, there’s no need to be overly concerned about how the board looks.

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Packard Bell vs Hewlett-Packard

Packard Bell vs Hewlett-Packard

I didn’t realize that the question of Packard Bell vs Hewlett-Packard existed anymore. The search engines say otherwise. So here’s the difference between these two rather old brands.

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Mechanical keyboard key stopped working? Here’s a fix.

Mechanical keyboard key stopped working? Here’s a fix.

Cheap mechanical keyboards are all the rage these days. People will brag on Youtube or on forums about the cheap (probably tenkeyless) mechanical keyboard they found and how great it is. Read the reviews and most people are thrilled. But there’s always someone complaining that a key quit working. In this blog post, I’ll tell you what I do when a mechanical keyboard key stopped working. I’ve fixed several, and you can too.

Mechanical keyboard keys typically stop working either due to the switch getting dirty or an intermittent electrical problem. Of the two, a dirty switch is more common, and it’s easy to fix.

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Cheap SSD drives: Where to buy them

Cheap SSD drives: Where to buy them

Cheap SSD drives are relative. I fully expect platter-based hard drives to be cheaper than SSDs until 2021 or perhaps 2025. But there is a way to buy cheap SSD drives without sacrificing a ton of quality. Here’s how.

I’m a notorious miser but I’m also a tech enthusiast. The number of applications and windows I keep open frightens people. Over the years I’ve refined the secrets of running my computers harder than most people while spending a lot less on computers than most people. It’s a tricky balancing act. Using the cheapest SSD worth having is one of my best secrets. Of course, that means you have to find cheap SSD drives first.

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Quiet your mechanical keyboard with o-rings

Quiet your mechanical keyboard with o-rings

I bought a mechanical keyboard with Cherry Brown knockoff switches in it, but found it was too loud to use on conference calls. I found the same was true even of a Cherry MX Red keyboard like a Hyperx Alloy FPS Pro. Fortunately, if you want to quiet down a mechanical keyboard further, you have some options. Here’s how to quiet your mechanical keyboard with o-rings.

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Why is x86 so popular? Momentum.

Why is x86 so popular? Momentum.

Intel and Intel-compatible x86 CPUs are everywhere around us. It’s been a long time since you could buy a desktop or laptop computer with anything but an x86 CPU in it. Even Apple, a longtime anything-but-Intel stalwart, started using x86 CPUs more than a decade ago. That raises a fair question: Why is x86 so popular?

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RAM and ROM explained

It used to be that chapter one of any book about computers explained RAM and ROM. Based on my conversations with computer professionals younger than me, it doesn’t sound like they do that anymore. So here’s RAM and ROM explained, by a guy who learned the difference in the early 1980s.

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A quiet mechanical keyboard

A quiet mechanical keyboard

I need a quiet mechanical keyboard. I also want it to be small, to fit on my laptop desk. And I want it to be cheap. And durable. I don’t want much, do I? I might as well ask for world peace while I’m at it.

The Velocifire TKL01 claims to be all of the above, and delivers more than I expected.

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Types of computer memory chips

Types of computer memory chips

It’s easy to confuse the different types of computer memory, but they aren’t completely interchangeable. Here’s a look at the various different types of computer memory chips.

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Baking SSDs: The SSD oven trick

Baking SSDs: The SSD oven trick

This sounds crazy, but sometimes baking SSDs fixes them if they break. This process causes the solder to reflow. So here’s how to do the SSD oven trick.

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