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3 effective solutions to fix 100% disk usage in Windows 10 April 2018 update

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Did you notice windows system became unresponsive, Running very slow After Install windows update or recent Windows 10 April 2018 update? When checking on task manager -> performance you may notice 100% disk usage in windows 10. It occurs When a process or an app in Microsoft Windows forces the system to utilize the hard drive to its full capacity. This issue, commonly known as 100% disk usage problem, can arise due to various reasons. It can be Chrome’s web page prefetch feature, a bug in a Windows driver, virus/malware infection or some other Windows features. Whatever the reason behind this issue Here 7 effective solutions to fix 100% disk usage in windows 10 version 1803.




Issue: 100% Disk Usage after Windows 10 Upgrade

Recently i have upgrade my laptop to latest Windows 10 April 2018 update. But after that When I load into Windows, I could move the mouse, but nothing else was responsive. It took about a minute to open up the start menu when I opened the Task Manager, my disk is at 100% utilization. Meanwhile, my CPU  and  memory is at normal state ( i am using Intel i5 with 8GB memory).  After few restarts sometimes it’s no more 100% sometimes it’s again 100% usage. Anybody solutions to fix this 100% Disk usage in new windows 10 laptop?

Solutions to fix 100 percent disk usage windows 10

Start with basic install a good antivirus with latest updates and perform a full system scan to make sure any virus/malware infection not causing the issue.

Also Run System File Checker Tool, which Scan restore missing corrupted System Files form Special cache folder located on %WinDir%\System32\dllcache. Again If SFC Utility End with Error windows resource found corrupt files but was unable to fix some of them then Run The DISM Tool which scan And repair System image and allow SFC utility to do its job.

Some Users on Microsoft Forum or Reddit report Disable Windows Notifications Help them to fix High System Resource usage like 100 percent Disk Usage, High CPU or memory leak etc. You Can also try to Disable this windows notifications From  Settings, then click on System, and then Notifications and Actions. Simply turn off the Get tips, tricks, and suggestions as you use Windows.

Disable Notification & Suggestions
Disable Notification & Suggestions
Disable Windows services

Open windows services ( press Windows + R, type services.msc and ok ) then temporarily disable Superfetch Service, Background Intelligence Transfer Service, Windows search Service, Windows update services. To do this double click on the service ( for ex superfetch ) on properties window change the startup type Disable. And stop the service next to service status. Do the same with other services: BITS, Windows update and Search service. Restart windows and check there is no more 100% disk usage in windows 10.

Disable Superfetch Service
Disable Superfetch Service

Disable Background Apps:  on Windows 10 open Settings -> Privacy -> Scroll down and select Background Apps. Here you have two options either you can turn off apps run in the background app ( this will turn off all apps ) or you can manually turn off apps one by one using turn off button as shown below image.

Disable Disk Defrag: Besides, the high disk usage problem could be related to the defrag tool in Windows 10. Sometimes, your computer is trying to defrag the drive. However, it’s actually a solid-state drive instead of a hard disk drive. You can press Windows + Q, type Task Scheduler without the quotes and disable the scheduled disk defrag task, if available.




Use High Performance Power Plan

With some computers, the hard drives are smart and will try to power down or change RPM to save power. open Control Panel and go to Hardware and Sound > Power Options to see which power plan you are currently using. Make sure you are using a High Performance. 

In addition, click on Change plan settings and then expand Turn off hard disk after and set the minutes to 0. This will ensure that the hard disk does not power down or go into the low power state, which can cause the disk usage problem.

turn off hard disk after 0
turn off hard disk after 0

Run Disk Check: Windows has a built-in tool that will scan your drive for errors and attempt to correct them. Open the Command Prompt as Admin and type:  chkdsk.exe /f /r  and hit Enter. Then on the next prompt type: Y and hit Enter. This Will Stat scanning and repairing process for Disk Drive Error After 100% Complete Restart windows And check system Running without High Disk Usage.

perform check disk Windows 10
perform check disk Windows 10

Fix your StorAHCI.sys driver

This is the most effective solution I personally found to fix 100% disk usage in windows 10. The Windows 10 100% disk usage problem might also be caused by some Advanced Host Controller Interface PCI-Express (AHCI PCIe) models running with the inbox StorAHCI.sys driver due to a firmware bug. Here’s how to determine and fix if this is your problem.

Press Windows + R, type devmgmt.msc and click ok to open device manager. Expand IDE ATA/ATAPI controllers, Right-click Standard SATA AHCI Controller and go to Properties. Now check Under Driver tab, click Driver Details. If it shows C:\Windows\system32\DRIVERS\storahci.sys in the Drivers files field, then you are running the inbox AHCI driver.

AHCI driver (StorAHCL.sys)
AHCI driver (StorAHCL.sys)

Now click OK and go to the Details tab. Here under property Select Device instance path from the drop-down menu. And copy the value present there to some text file or keep the box open.

Note: If you find multiple AHCI controllers in IDE ATA/ATAPI controllers, copy the AHCI Device Instance path for every one of them and do following steps for each controller one by one.

Note Down Device instance path
Note Down Device instance path
Tweak on Windows registry editor ( to stop StorAHCI.sys 100% disk usage )

Now, open Windows Registry (Windows + R > Type regedit). First backup registry database and navigate to Navigate to:




HKEY_LOCAL_MACHINE\System\CurrentControlSet\Enum\PCI\<AHCI Controller> \Device Parameters\Interrupt Management\MessageSignaledInterruptProperties.

The <AHCI Controller> here refers to the Value Which you previously noted).

Now on the right pane of MessageSignaledInterruptProperties key, look for the registry DWORD(REG_DWORD) named MSISupported which should be corresponding to Value 1 as its Data. Double-click on the DWORD to modify its value and Set 0 As shown below image.

reg Tweak to Disable MSI Support
reg Tweak to Disable MSI Support

Restart your computer after the change, then check your computer’s disk usage: Type “task manager” in the Windows search bar and select Task Manager, then in the Processes tab, look at the % at the top of the Disk column. If it’s no longer 100%, you’ve fixed the problem!

Reset Virtual Memory

Windows Automatically usage Disk Drive Space As Virtual Memory ( A combination of disk Drive and RAM ). If you Recently Customize Virtual memory For windows performance optimization Reset it To Default. Because Sometimes wrong customization also Cause Disk Drive not Responding or 100 percent Disk Usage.

To reset virtual memory to default state Press windows + R, type sysdm.cpl and hit the enter key.  On System, properties move to the Advanced tab and click Settings under Performance. On performance, options move to Advanced tab click on the Change button under Virtual Memory. Then check mark on Automatically manage paging file size for all drives. Click Apply ok and Restart windows to take Effect the Changes.

Automatically manage paging file size
Automatically manage paging file size

Change your Google Chrome & Skype settings

For some Windows 10 users, a particular combination of Skype and Google Chrome browser settings causes the 100% disk usage problem in Windows 10. Here’s how to fix those settings

In the case of Google Chrome, the web page pre-load feature is at fault. You can turn it off by visiting chrome://settings > Show Advanced Settings > Privacy. Here, untick the option called Use a prediction service to load pages more quickly.

Now  Make sure that your Skype is not running. Then navigate to Windows Explorer, go to C:\Program Files (x86)\Skype\Phone\. Here Right-click Skype.exe and select Properties. Go to the Security tab and select Edit. Click ALL APPLICATION PACKAGES and tick the Allow check box for Write. Then click Apply, then OK to save your change.

tweak skype to fix 100 disk usage
tweak skype to fix 100 disk usage

Now after making this changes simply restart windows and check I am sure there is no more High DIsk usage or 100% disk usage in windows 10. Still, have any query, suggestion feel free to discuss on comments below. Also, Read Fix the disk structure is corrupted and unreadable windows 10

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