How to fix 100 disk usage error in Windows 10 - Avoid 100% Disk Usage Error in Windows 10

In today’s age, who does not own a computer in some format? Be it a desktop, a laptop, a tablet or a smartphone, forty-seven percent of the world’s population utilises technology. You will not be surprised to learn how dependent we have become on this phenomenon.

Be it for looking up a cooking recipe on Youtube or conducting a pay order to your supplier half way across the world – technology and digitalisation has enabled our society to start businesses and increased our standard of living. With the introduction of operating systems such as Windows 10, users are able to rely on technology and enjoy its benefits.

As you may already know, Windows 10 is part of the Microsoft family and was launched on 29th July 2015. It is more than three years old now and getting more successful day by day. Would you like to know the best thing about subscribing to the Windows 10 operating system? It continually updates and is free of cost to its users!

Despite the amazing features Windows 10 owns, it does not come without some flaws. The good news is that there are plenty of ways to fix it. This article will show you how to rectify the error of 100% disk usage on a Windows 10 computer. Even if you are one of the few fortunate ones who has not experienced this, let us still share how you can fix this in case it happens.

Shall we get started?

Okay, the first thing we want to share with you are the various reasons that can cause such an error.

Imagine a user with an HP laptop and has an 8 GB RAM. He feels his personal device freezing a lot or slowing down generally. He clicks on the Task Manager and it is showing 100% disk error highlighted in yellow. So of course, he will press End Tasks in order to try and improve the processes. But it still doesn’t work? What to do? This has been an ongoing problem since a few weeks now for this particular user.

Here are a few typical ones:

  1. The dreaded viruses and malware

You may or not be aware of this: but viruses and malware can creep in to your laptop. Such things take up a lot of resources and limit the space available for your other programs. Hence, inadequate space will exist and slows down your computer.

  1. Problems with hardware

Got any corrupted files on your personal gadget? If yes, then those corrupted files are sending your computer into a loop that incorporates a lot of disk utilisation. You might want to check how old your hard drive is. Even if there is a lot of space available, it could be slow due to incompatibility with the latest software updates.

  1. Superfetch and Prefetch issues

So, these two programs are supposed to enhance your interaction with Windows 10 and improves its performance. How? By forecasting what tasks you might do on your computer and loading those programs in advance into your computer’s memory. Also, they require high disk utilisation.

  1. Google and Skype type applications

As much as we love these two applications, they often are responsible for high disk usage.

Now, let us move on to the actual solution itself and share with you how to correct it. Don’t worry, we got your back!

Take those beautiful fingers of yours and aim for CTRL+ALT+DEL on your keyboard to open up Task Manager. Here, you will confirm that there is indeed high disk usage. Check the processes tab, the disk volume should be highlighted in red. When you look at the left side, you will see all the tasks that are running concurrently. So, try the following:

  1. Disable Superfetch service

Take your cursor and go down to the search bar at the bottom left of your screen. Insert the words in the box to find Superfetch. Once it appears in the search results, right click on it and select Properties. Find Startup Type and choose the Disable option. Press OK to apply the new settings.

  1. Disable Prefetch

Of course, if we are disabling Superfetch, how can we keep Prefetch running? This will have to be disabled as well and here’s how you do it: Again, go to the search bar at the bottom left of your screen and type in regedit to launch the registry editor.

Okay, now it gets a bit lengthy. This is what you have to type in: KEY_LOCAL_MACHINE\SYSTEM. Once there, you need to type in KEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\PerfetchParameters. (Hey, we did warn you that it’s going to get long!) Double click on EnablePrefetcher and once it launches, change the Value data to zero (the number 0) on DWord window to disable Prefetcher.

  1. Delete viruses and that pesky malware

We seriously hope you have some kind of effective anti-virus application installed on your personal gadget. Launch it and run a complete computer scan to check for viruses and to delete them. Get rid of any files that have been infected by a virus.

  1. Change or update hard drive

You will need to figure out if it is your hard drive causing this specific issue. Hearing any loud clicking sounds? See if there are any other issues involved. If this is the case, the time has come for you to hit your favourite electronics store and to buy a new hard drive. It is highly possible that yours has become too old and you need to upgrade it now. Make sure you buy one that is compatible with your laptop. So, make sure you do your homework! Research the market and see what’s available out there. Once you select your hard drive, you may have to reinstall Windows 10 or whatever operating system your laptop uses. (Psst, we are rooting for Windows 10!) You can also use software online to upgrade your hard disk to a bigger one without having to reinstall Windows 10.


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