Is It Better to Use a Wi-Fi Channel With a Higher Frequency?

If you are experiencing problems with your wireless router, then you might start tweaking the settings in order to improve performance, like choosing a different channel. But are some channels inherently better than others? Today’s SuperUser Q&A post has the answer to a curious reader’s question.

How Do You Reopen a Windows Firewall Prompt?

If you are setting up a new program that needs network access, but are not paying close enough attention, you might end up accidentally causing Windows firewall to block the program. How do you fix such a mistake? Today’s SuperUser Q&A post helps a frustrated reader fix a firewall headache.

What Is the Oval Hole on Computer Hardware For?

For the most part, it is no mystery what the various openings on the outside of our computer hardware are for—most are ports. But what about that oval port that doesn’t match your usual cables? Sometimes it has a “lock” symbol next to it; other times it doesn’t. Today’s SuperUser Q&A post has the answer to a curious reader’s question.

Why Is Part of My Keyboard Typing the Wrong Characters?

Whether it is a cat laying on the keyboard, a young child banging on random keys, or some other form of keyboard catastrophe, our keyboards can suddenly start displaying strange and frustrating behavior. With that in mind, today’s SuperUser Q&A post has some solutions for a reader’s laptop keyboard crisis.

Can You Losslessly Increase the Volume of MP3 Files?

There are few things as frustrating as listening to your favorite music and suddenly having one or more songs play at a lower volume. Is there an easy way to fix the volume problem without sacrificing quality? Today’s SuperUser Q&A post helps a frustrated reader solve his volume problems.

How Do You Safely Add Insecure Devices to a Home Network?

Whether we like it or not, there are just some devices in our homes that are, and always will be insecure. Is there a safe way to add those devices to a home network without compromising the security of other devices? Today’s SuperUser Q&A post has the answer to a security-conscious reader’s question.

Why Is the Size of My Email Larger Than Its Attached Files?

If you are using a locally installed mail client, you may have noticed that the size of an email seems to be a bit larger than the files you have attached to it. Why is that and is it a cause for concern? Today’s SuperUser Q&A post has the answer to a confused reader’s question.

How Do You Adjust Google Chrome’s UI Scaling?

Everything can be going along nicely until a program gets a new update that suddenly turns everything into a visual mess, like scaling up the UI, for example. Is there a simple solution? Today’s SuperUser Q&A post has some helpful solutions for a reader’s frustrating browser UI problem.

Why Does Linux Allow Users to Remove the Root Directory?

Most of the time, none of us willingly performs an action that will literally break our operating systems and force us to reinstall them. But what if such an action could easily occur even by accident on the user’s part? Today’s SuperUser Q&A post has the answer to a confused reader’s question.

How Do You Find Out If Windows Was Running at a Given Time?

There may be times when you wonder if something is being done with, or to your computer without your knowledge, but is there an easy way to find out what is happening while you are gone? With that in mind, today’s SuperUser Q&A post shows a reader how to monitor his computer’s activity.

Why Do Scanners Use PDF as the Default File Format?

Nearly all software has a particular format that it automatically defaults to when creating a new document or file, but occasionally the chosen format does not seem to intuitively make sense. With that in mind, today’s SuperUser Q&A post has the answer to a curious reader’s question.

Can a Hard Drive Be Designated as Non-Removable?

Most of the time, when you upgrade or change the hardware on your computer, Windows tends to accept it without a problem. But what do you do if Windows keeps “seeing” and listing a new permanent hard drive as removable? Today’s SuperUser Q&A post has the answer to a curious reader’s question.

How Do You Change Windows’ Default Download Path?

The default download location on our Windows systems works well enough most of the time without a problem, but what if you want or need to change the location at the system level? With that in mind, today’s SuperUser Q&A post has some helpful advice for a frustrated reader.