Is your computer taking ages to lớn load programs, websites, and files in Windows 10? If your PC’s disk seems unusually busy, and Task Manager shows high disk usage, you need khổng lồ fix it. Read on khổng lồ learn what pushes Windows 10 to lớn 100% disk usage và how khổng lồ fix it yourself or with a dedicated cleaning tool.
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How khổng lồ identify the cause of 100% disk usage in Windows 10
The best way to lớn identify why Windows 10 disk usage is at 100% is lớn consult the Windows Task Manager. The Windows Task Manager utility will show you exactly what’s causing your system to use 100% of your disk capađô thị — và then you’ll know which issue you need khổng lồ fix.Here’s how khổng lồ identify the cause of 100% disk usage with Windows Task Manager:
Right-cliông chồng on the taskbar and select Task Manager.

On the main dashboard, cliông xã on the Disk column to lớn see all running processes sorted by disk usage.

Make sure the arrow in the Disk column is pointing down. That way, you’ll see the processes with the highest disk usage first.
Look for items that appear orange and consume more than a few megabytes per second. Any process that takes more than 1 khổng lồ 2 MB is a concern. Depending on the type of disk you’re using, even a small amount of excess disk usage can harm performance.
If your Task Manager reveals something obvious, find the cure below. If you see any of the following items causing high disk usage in Task Manager, cliông xã on the link to lớn jump down directly khổng lồ the solution:
If Task Manager doesn"t provide a clear answer, try these other solutions khổng lồ reduce your disk usage:
If your PC feels slow & if disk usage isn’t an issue, you might instead be suffering from high CPU usage or insufficient RAM.
The 12 best ways lớn fix 100% disk usage in Windows 10
With Task Manager identifying the processes causing high disk usage, the solution may be straightforward. Here, we’ve compiled the top 12 ways khổng lồ fix Windows 10 100% disk usage — no matter what’s driving up your disk usage, you’ll be able to resolve sầu the issue.
1. Update Windows 10
Microsoft frequently releases Windows 10 updates that fix bugs and plug security holes. These updates should be installed automatically, but if you’ve missed the lademo release, updating Windows 10 can fix a variety of issues.
To update Windows 10, open the Start menu và click Settings. From there, select Updates and Security & initiate the update. Once your PC finishes and restarts, the problem should be fixed.
In some cases, you might see 100% disk usage because Windows is in the middle of updating. Windows replaces tens of thousands of files when updating, so everything else will slow down during the update process. In some cases, Windows may even become unresponsive.
Windows updates usually download in the background & install automatically. If your disk usage spikes all of a sudden, Windows may have begun the update process. In such cases, when you navigate lớn Start > Settings > Updates & Security, you’ll see that the Windows update is in process:


2. Disable Superfetch
Superfetch, or Service Host Superfetch, is a Windows feature introduced in Vista that analyzes your usage patterns, such as when you launch certain applications & how often. Superfetch then preloads data from those programs inlớn your memory. In most cases, this works quite well, especially on older hard disks. But it’s not perfect.
Some users complain that Superfetch causes constant hard disk usage. Gamers especially seem to hate Superfetch because it tends khổng lồ preload the files of a game it thinks you want to lớn play, while you’re actually playing a different game. Luckily, you don’t need Superfetch — and there are other ways lớn tốc độ up your PC.
If your hard disk is full, and if the following chiến thắng shows up high on the menu in Task Manager, you’re dealing with a Superfetch problem.



3. Remove sầu viruses and malware
Is Task Manager showing you an unknown program with super-high disk usage? It might be a virut, spyware, or other malware. In addition to lớn messing with your PC’s performance, malware can also steal your personal information, corrupt files or apps, and wreak other havoc. Follow our guide to lớn get rid of viruses và malware immediately.
To prevent malware infections, learn about the most dangerous current online threats và read our list of the best security and privacy tips.
But there’s no substitute for having strong antivi khuẩn software. Since malware can play a huge role in pushing Windows 10 to 100% disk usage, stop whatever you’re doing now and install a free antivi khuẩn tool. grumpygourmetusa.com AntiVirus FREE not only provides real-time security updates, it also scans your machine to lớn detect malware & performance issues.