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4 Common Reasons for Slow Computers and How to Fix Them

So, you find yourself pressured to complete a whole lot of work on your computer, and in the midst of it all, you suddenly find your computer slowing down. Of course, this is the last thing you want to do, especially if you have a lot of work to be done. But what could be the cause of it? Well, while there could be causes that may affect your computer’s performance severely, the underlying cause can actually be quite simple. Everything from just having too many programs running at once or not having enough RAM are common reasons a computer can be slow.

That said, while there are several possible causes for a computer running slow, there are also some easy solutions to said problems! Here are some of the most common reasons for slow computers and how to fix them.

1. Not Enough Memory

If your computer is running slow, it might be because it doesn’t have enough memory. Memory, or RAM, is the short-term storage space that your computer uses when it’s running a program. If your computer doesn’t have enough RAM, it won’t be able to keep up with your demands.

The solution is simple: add more memory. If you’re comfortable opening up your computer and installing RAM, you can purchase additional memory and install it yourself. However, if you’re not comfortable with that, you can take your computer to a technician and have them install it for you.

2. Too Many Startup Programs

Another common cause of slow computer performance is too many startup programs. When you turn your computer on, certain programs are set to launch automatically. This can slow down your computer significantly, as it has to work to launch all of those programs at once.

To fix this, open the Task Manager (Ctrl+Alt+Del) and look at the list of startup programs. Uncheck any programs that you don’t want to launch automatically, and your computer should run faster.

3. Too Many Unnecessary Files

Over time, it’s easy for your computer to accumulate a large number of unnecessary files, such as temporary internet files, old downloads, and duplicate files. These files can take up a lot of space and slow your computer down.

To get rid of these files, you can use a disk cleanup program. These programs will scan your computer for unnecessary files and delete them, freeing up valuable space and speeding up your computer.

4. Outdated Software

If your computer is running slow, the problem might be outdated software. When software is outdated, it needs more resources to run, which can cause your computer to slow down.

To fix this, make sure you always have the latest version of your software installed. You can also try uninstalling any programs you don’t use or rarely use to free up more resources. Additionally, you can use a third-party program to scan your computer for outdated software and update it automatically.


A slow computer can be a major annoyance, but it doesn’t always have to be a mystery. By understanding the common causes of a slow computer, you can better diagnose the issue and find a solution. However, if you find yourself unable to improve your computer’s performance, no matter what you do, be sure to reach out to an IT expert to come to check out your problems. They can uncover the underlying issues and restore your computer’s performance for your benefit!

London PC Fix offers expert IT support to help clients overcome their IT-related issues and enjoy peace of mind while running their businesses. If you are looking to fix a slow computer, get in touch with us today.

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