Ryan Dube is a freelance contributor lớn bth.vn & former Managing Editor of MakeUseOf, senior IT Analyst, và an automation engineer.

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A slow-running computer often bogs because Windows commits significant system resources into disk read & write operations. When you mở cửa Task Manager and see 100% disk usage, stopping the process that"s forcing that use brings Windows back khổng lồ normal working order.

Many of the following fixes for 100% disk usage in Windows 10 are relevant to lớn Windows 10, 8, 7, và Vista. However, some commands and system settings may vary.


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Causes of High Disk Usage on Windows 10

There are several potential causes for high disk usage in Windows 10, but most come down khổng lồ the same basic idea: Too many things are running for the computer khổng lồ handle.

One common cause is swapping or paging. Swapping occurs when a computer runs out of physical memory (RAM) & needs more space to store information about the running processes & applications. It uses a tệp tin on the hard drive called swapfile.sys khổng lồ hold it. As Windows works with that information, it constantly reads and writes lớn swapfile.sys, driving up disk usage.

You also might find that applications that tìm kiếm through or use many files at once access the hard drive at an alarming rate behind the scenes. Many applications can behave this way, including antivirus software and some utilities that are installed with Windows.

How to lớn Fix High Disk Usage on Windows 10

Most of the time, the fixes for high disk usage come down to finding the process that uses the hard drive frequently and stopping it. Below are a few of the most common solutions.

Disable Windows telemetry. Windows 10 collects data about the way you use it in the background. It"s been the topic of controversy for privacy reasons, and it"s a common cause of high disk usage. Disabling the service responsible can help give the hard drive a rest.

Disable Windows tìm kiếm indexing. Windows keeps track of your files & where files are located on the drive, so you can easily search for the tệp tin you need. Sometimes, the process Windows uses lớn create an index of where those files are can slow down the drive. Disable search indexing to decrease bức xúc on the drive.

Disable SuperFetch. The SuperFetch utility runs in the background on Windows, analyzing RAM usage lớn see which apps use the most. SuperFetch can use a lot of system resources, including writing to lớn the drive frequently. Disable it to stop the process from running behind the scenes & writing to the drive.

Disable Windows Tips. As you use Windows, an integrated ứng dụng running in the background offers notifications with advice about the operating system. While this is the least likely problem causing the disk usage utilization error, it is one more app running in the background that can cause problems. Turn off Windows Tips & see if it improves your system performance.

To change permissions, right-click Skype.exe in C:Program Files (x86)SkypePhone, then go to lớn the Security tab & select Edit. Next, choose All Application Packages, then select the Write check box under Allow. Finally, lớn close, select OK.

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Disable prefetch in Chrome. A few features in Chrome speed up your browsing experience. One of those services is a prediction service in Chrome that analyzes what site you"re likely to visit và preloads those pages in the background. However, this service puts an extra load on your computer and the hard drive.

In Firefox, disable prefetching by visiting about:config in the address bar và setting the network.prefetch-next value to lớn false.

Fix the AHCI driver. Microsoft acknowledges a known bug with some Advanced HostControllerInterfacePCI-Express models on Windows 10. If your computer is affected, you"ll experience 100% disk usage problems. To lớn fix it, do the following as described below.

First, check that your computer has the AHCI driver by opening the Device Manager và looking at the sản phẩm IDE ATA/ATAPI. If you see SATA AHCI Controller, xuất hiện it & select Properties. Under the Driver tab, choose Driver Details. Here, look for the driver storahci.sys. If you see it, then your PC could be susceptible to this known bug.

If you discovered that the storahci.sys driver tệp tin is on your system, change its value in the Registry Editor. Go to Details in Device Manager & choose the Device instance path from the drop-down menu. From here, copy the value listed và paste it into a text editor like Notepad.

Next, mở cửa Regedit & browse to lớn HKEY_LOCAL_MACHINESystemCurrentControlSetEnumPCI. Expand the thư mục of the value you saved in a text editor. Inside this folder, mở cửa Device ParametersInterrupt ManagementMessageSignaledInterruptProperties, double-click MSISupported, và change its value khổng lồ 0.

Editing inside the registry opens the door khổng lồ inadvertent, significant configuration errors. Changing the wrong values may destabilize your computer. Make a backup of the registry by clicking File > Export và saving the .reg backup file to a thư mục or external hard drive.

Add more RAM. If disk usage is high because your computer doesn"t have enough physical memory (RAM), the best solution is to địa chỉ cửa hàng more. RAM is one of the easiest upgrades on any PC, & it"s relatively inexpensive. Plus, your computer will be able khổng lồ multitask more efficiently as a result.

Disable automatic Windows Updates. Another common cause of high disk utilization sources from Windows Updates taking place at random times, automatically. Stop Windows from updating at random, and you"ll stop the drive from maxing out.

If you disable automatic Windows Updates, run manual updates frequently. This process ensures you receive important security updates that keep your computer safe from viruses and malware.

Scan for malware. If all else fails, there"s a chance your computer could have a vi khuẩn or malware. The best thing to bởi at this point is to lớn make sure you have good antivirus software và run a full system scan. A full scan can take a long time, but it finds and removes any malicious software running on the system & spiking the disk usage.