Readers like you help tư vấn MUO. When you make a purchase using links on our site, we may earn an affiliate commission. Read More.
Bạn đang xem: Fix 100% disk usage in windows 10 task manager
Windows 10 is largely a reliable operating system, but one problem has plagued it since launch: the 100% disk usage bug.
Resulting in system-wide hangs and freezes, the bug appears in various scenarios & is straightforward khổng lồ resolve, if you know what you are looking for.
One of the following fixes should resolve any Windows 10 100% disk usage bug whether your computer uses an HDD or SSD storage.
100% Disk Usage in Windows 10: Fixed!
When the error was first discovered, only a few culprits were found. But as time passed, despite the 100% disk usage error being reported to Microsoft, more causes of this bug have been discovered.
Click the liên kết above for each possible cause of the bug lớn see how to fix it. Kiểm tra the steps one at a time, referring lớn the Windows Task Manager after each to confirm whether the disk’s 100% usage has dropped and Windows 10 is back to normal.
Even if you find a solution, a Windows Update could reset the changes you've made. Bookmarking this page will help you find it in the future & run through the fixes again.
1. Windows 10 100% Disk Usage Causing Slow Performance? Run Disk Check
This performance issue is most obvious when attempting to use Windows tìm kiếm to find a tệp tin or program, và anything else that requires the drive to vì chưng some work (perhaps copying and pasting a group of files).
To establish whether it is a problem that is affecting you, when your computer next slows down, use Task Manager khổng lồ run a disk check.
First, press Ctrl+Alt+Del & select Task Manager (or right-click the Taskbar & select Task Manager, or hit Ctrl+Shift+Esc). Chú ý that this may take some time to mở cửa with the drive being under strain.
On the Processes tab look for the Disk column. If you're having problems with drive performance, this will be at 100%, và shaded red to lớn indicate whether you have a problem or not.
Problem sectors on your HDD can cause the 100% disk usage issue in Windows 10. However, using Windows' built-in disk kiểm tra can fix this:xuất hiện Windows Explorer Select This PC Right-click on the C: drive and select Properties > Tools Under Error checking click on Check > Scan drive
Wait while the system scans the drive; a reboot may be required for a full disk repair. This should deal with the error.
2. Update Your Anti-Virus if Windows 10 Disk Is Running at 100%
As with any performance issue, the first thing to do is confirm that your computer hasn't been infected with malware. Your security software should be able to giảm giá khuyến mãi with this, whether it's a không tính phí app or a paid suite.
At the very least, tools like Malwarebytes Anti-Malware should be able lớn scan your system drive and detect any problems. Note that with a heavy load on your drive already this may take a while.
If threats are found, use the software's recommendations lớn discard them & reboot. Next, kiểm tra your drive's performance again. Hopefully, you've resolved the issue; if not, then malware wasn't to blame, so read on.
3. Windows tìm kiếm Can Cause 100% Disk Usage in Windows 10
The next thing to check is whether the 100% disk usage error has anything to do with Windows Search.
A bug in Windows 10 results in a "search loop" that causes an increased load on the system drive.
To stop this and prevent it from happening during your current session (until Windows is rebooted):Right-click Start Select Windows PowerShell (Admin) Enter net.exe stop "Windows search"
That should solve most issue. If there is no change, even after rebooting, you can permanently disable Windows search and Indexing.Press WIN+R Type msc, then click OK In the Services window that opens find Windows Search and double-click to open In Windows search Properties find Startup type and select Disabled
You can also click Stop to abort the service Click OK lớn save your changes.
A few moments after disabling Windows Search, your Windows 10 performance should improve considerably. If not, move on…
4. Disable SysMain lớn Fix 100% Disk Usage in Windows 10
Another Windows 10 feature identified as a potential cause of the 100% disk usage issue is the superfetch service. Since Windows 10 1809 (the 2018 Windows 10 October Update) this has been renamed to lớn "SysMain."
To prevent this service from causing the disk usage issue, xuất hiện another Windows PowerShell (Admin) & enter:
net.exe stop sysmain
Again, wait a few moments to kiểm tra whether this has had any effect on your computer's performance. You should also run check Disk in PowerShell:
chkdsk.exe /f /r You'll be informed that your PC must be rebooted for check Disk lớn complete, so make sure you have closed all your applications first.
If this doesn't work, it is likely that you're experiencing a frustrating iteration of this issue that is simple khổng lồ resolve.
5. Is Flash Causing the 100% Disk Usage Bug?
Flash remains one of the most vulnerable aspects of modern computing and should be disabled. Adobe killed off its multimedia plugin in 2020, so there's little reason khổng lồ keep using it, especially as Flash seems to be one of the most common culprits for the 100% hard disk usage in Windows 10 with the Google Chrome browser.
To disable Flash in Google Chrome browser:mở cửa Menu > Settings > Privacy and security Click Site Settings Find Flash & set the toggle lớn Block sites from running Flash Click Back to lớn confirm, then restart the browser
The next thing to bởi is update lớn the latest version of Chrome. In most cases this happens automatically, but if not just go to lớn Menu > Help > About Google Chrome và wait for the update lớn complete.
If you can't see any of the options, don't worry. It simply means that your version of Chrome has already updated & no longer supports Flash.
6. Disk Usage at 100%? Switch web Browsers
It may not be Flash that is impacting on your browser performance.
Another cause could be the browser itself, particularly if you're using Google Chrome.
The obvious option is khổng lồ choose a different browser. Windows 10 already has two browsers built in. You probably don't want lớn use mạng internet Explorer, but Microsoft Edge is an adequate replacement for Chrome.
Several browsers are available, some better than others.
7. Disk at 100% Usage in Windows With Skype
Another widely used application could also be causing your 100% HDD usage is Skype. In an era when online collaboration and đoạn phim meetings is increasing, Skype is a likely culprit.
Since Skype has been more closely integrated with Windows 10, it is a little trickier to giảm giá khuyến mãi with. What you can do, however, is stop Skype from running lớn help determine if it is the cause of the issues.Press Win + I to open Settings Go to lớn Apps > Apps & features and scroll down to lớn Skype
Click Skype, then Advanced options Here, scroll down to Terminate and click the button
Head back to lớn the Task Manager to see the change. You may also consider finding a Skype alternative. If the 100% disk usage bug tends lớn happen straight after Windows loads, it's a good idea to disable Skype from autoloading. Under Runs at log-in, change the switch from On to lớn Off.
Further issues with Skype can also be dealt with in this screen. You can Repair, Reset, & even Uninstall Skype to aid with your troubleshooting.
8. Has the PCI-Express Firmware Bug Resulted in Windows 10 100% Disk Usage?
Some drivers don't run quite as they should in Windows 10. One that has been discovered to be causing 100% HDD use is the StorAHCI.sys driver, which has a firmware bug. StorAHCI.sys intended for storage devices connected to the PC or máy tính xách tay motherboard via Advanced Host Controller Interface PCI-Express.
To find out if this is the problem & rule it out:Right-click Start and choose Device Manager Expand IDE ATA/ATAPI Controllers Double-click the AHCI Controller entry In the Driver tab select Driver Details
If the driver listed as C:Windowssystem32DRIVERSstorahci.sys, you could be affected by this bug. Next:Close the driver details box In the Details tab select Device instance path from the drop-down menu Right-click the value, then Copy. Launch Notepad & Paste the contents Next, press WIN+R & type regedit, & click OK Find HKEY_LOCAL_MACHINESystem CurrentControlSetEnumPCI and use the pasted string from Notepad to xuất hiện the correct AHCI Controller, followed by the random number.
Here, expand Device ParametersInterrupt Management MessageSignaledInterruptProperties and you should see MSISupported listed in the right-hand pane. Double-click this, then change the Value data: lớn 0.
Click OK to lớn confirm and follow the instructions to restart Windows.
9. Is Steam Causing 100% Disk Usage in Windows 10?
Enjoy gaming & have Steam installed? There's a good chance this digital delivery system is causing 100% disk usage.
Usually this is due to update delivery, causing the background downloader lớn get caught in a loop. Clear the Steam cache khổng lồ fix this.
First, make sure you have exited Steam. Where Steam is a likely cause of the 100% disk usage error, it may hang when you try khổng lồ exit. In this case, use the Windows 10 Task Manager lớn close the software.
Next, open the Win + R run box và enter
steam://flushconfig You'll see a dialogue box, informing you that nội dung will be deleted.
10. Disable Diagnostic Tracking in Windows 10 to Stop the Disk Reaching 100%
Finally, it's worth considering the impact of diagnostic tracking in Windows 10. A feature that you might have otherwise disabled for privacy reasons, it has been blamed for 100% HDD use on many PCs.
When it comes to lớn reducing your hard disk drive usage, it's quicker to lớn simply disable the DiagTrack service. If this is the source of the 100% disk usage error in Windows 10, you can stop the service launching.
However, to do this you'll need lớn access Command Prompt in administrator mode.Click Start & type cmd in the search box In the results select Run as administrator đầu vào sc config "DiagTrack" start= disabled input đầu vào sc stop "DiagTrack"
11. Windows Update Can Cause 100% Disk Usage
As well as affecting changes you make to lớn your PC when fixing the 100% disk use problem, Windows Update can also be a cause.
This usually only happens when Windows Update has a problem (which is typically due to a file refusing to lớn download). You have two options here:Leave your computer alone---shut all your mở cửa applications and wait. Eventually, the files will download, but depending on how Windows Update is scheduled on your computer, it may require a reboot. Shutdown your computer---once you've done that, restart and wait for Windows Update to lớn resolve the problem.
Once the update has finished downloading, it's wise to run it as soon as possible. Remember to kiểm tra any previous fixes for 100% disk usage before proceeding; as noted above, Windows Update can reverse these fixes.
12. Reset Virtual Memory to lớn Fix 100% Disk Usage in Windows 10
Virtual memory is a combination of RAM và hard disk space and can be responsible for overuse of your HDD. If there isn't enough RAM khổng lồ perform a task, the HDD is used to supplement the RAM. Data moved lớn the HDD is then returned khổng lồ RAM when required.
If you've made it this far, & you've yet lớn solve the 100% disk usage issue, it could be worth resetting your virtual memory.Press Windows+Break/Pause On the right, find and click Advanced System Settings
13. Activate High Performance Mode to end Windows 10’s 100% Disk Usage Bug
Windows' standard power nguồn modes are prone khổng lồ the 100% disk usage bug but switching to high performance often overcomes the problem.
The downside, of course, is that your computer will use more power. Thanks to lớn modern processor kiến thiết this shouldn't be a massive issue. However, notebooks và desktop replacement laptops may take a hit on battery life.
To change lớn high performance:Click WIN+X > nguồn Options In the Power và sleep screen click Additional nguồn settings Here, choose High performance, then OK
If this isn't a displayed option, you'll need khổng lồ create your own custom nguồn plan. Click Create a nguồn plan, then choose High performance. Give the plan a name, tweak any personal settings you need then select it as a nguồn plan khổng lồ use.
In a moment or two, the 100% disk usage issue should drop to lớn less than 10%.
14. Disk at 100% in Windows 10? Install the Latest SATA Drivers
Could a storage device driver be resulting in the 100% disk usage error?
Your Windows 10 computer almost certainly uses SATA connections for hard drives, SSDs, và optical drives. If the drivers aren't up-to-date, the disk usage error can occur.
Avoid this by upgrading lớn the latest SATA drivers.Right click Start In the power nguồn User menu select Device Manager Expand Storage controllers Identify the correct controller for your SATA devices khổng lồ update, right-click on each controller and select Update driver
15. Could Your PC's nguồn Supply (PSU) Cause 100% Disk Usage?
There is a chance that your computer's hardware is causing the 100% disk usage issue in Windows: specifically, the PSU.
If disk usage issues can be attributed lớn excessive disk activity, then it follows there might be a power-related cause.
100% disk usage has been spotted on Windows 10 laptops running on the battery. Once plugged into the nguồn adaptor, the issue resolves. Similarly, the problem has been shown lớn alleviate once a new PSU is installed in a desktop PC.
Check our guide lớn new PC power nguồn supply units to help you choose a replacement.
16. Windows Help Is Causing 100% HDD Use
Another issue that has been traced to lớn 100% disk usage in Windows 10 is the operating system's built-in active help tool. You'll have noticed this feature that pops up when you're doing something for the first time with useful tips and suggestions.
If you suspect this is causing a problem in Windows 10 with disk usage, you can disable it:Press WIN+I to open Settings Here, select System > Notification và actions Find & disable Get tips, tricks và suggestions as you use Windows
17. Is WaasMedicAgent.exe Slowing Down Windows 10?
Incorrectly identified as a virut or malware, WaasMedicAgent.exe (part of the Windows Update Medic Service) is a Microsoft system process that checks downloaded Windows Update files. If there is a problem with the data, the files are downloaded again – a process that could leave your HDD at 100%.
To fix this,Press WIN+R to xuất hiện a Run box Enter regedit then OK to xuất hiện Registry Editor Before proceeding, make a registry backup with File > Export, saving the backup somewhere safe In the browser bar, paste this path: ComputerHKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesWaaSMedicSvc In the right pane, right-click Start and choose Modify mix the Value data to 4 then OK to close
Disk Usage Should Rarely Be 100%
There is no reason for Windows 10’s disk load to be anything close to lớn 100%, under normal usage. A slow computer is one with a problem, & if you cannot fix it by disabling a browser plugin, stopping services, or running your antivirus software, then the problem may well be hardware related.
Perhaps your drive is getting old; it may be defective, or the cables may need replacing.
Try these fixes the next time your Windows computer slows down. Be sure to kiểm tra your Windows Experience Index periodically to lớn identify performance issues in need of immediate resolution.