Top 10 Solutions to Fix 100% Disk Usage in Windows 10

maximum Disk Usage in Windows 10

Are you suffering from slow PC performance? Is your computer responding very slow while very few apps are running? Want to overcome from these types of scenarios?

If YES, then read this blog till the end and apply the below-discussed solutions.   

This is known as 100% disk usage issue, which appears on any Windows system/Laptop when a process or an application in Microsoft Windows forces the OS to make use of the HDD to its complete capacity.

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This is a very annoying problem, as when your PC’s hard drive is continuously working over its maximum space then it becomes unable to run other tasks. And the worst situation is,  sometime Operating System also gets unable to run necessary routine tasks. Therefore Computer performance starts decreasing and can slowdown everything. [Infographic- 10 Tips to Boost Windows 10 PC/Laptop]


Causes of 100% Disk Usage in Windows 10

There are various causes available that are responsible to generate 100% disk usage issue, some of them are as follows:

  • Pending Windows system updates.
  • Computer malware and viruses.
  • Problematic page file configuration.
  • Hardware issues like HDD bad sectors and more.
  • Outdated system drivers
  • Software malfunctioning.
  • Corrupt system files.


Solutions to Fix 100% Disk Usage in Windows 10


[Recommended] Configure your Page File

  • Open the properties (Right click on Computer and select Properties).
  • Choose Advanced System Properties and click on the Advanced tab.
  • Virtual memory pane, uncheck the checkbox present along with the Automatically as shown in the image.
  • Enter minimum size at your RAM amount.
  • Enter maximum size at your double RAM amount.
  • Click Set.
  • Click OK.

eg: For 4 GB of RAM enter min 4096 and max 8192:


Also Read: [Solved] Windows 10 Slow Startup speed after Free Upgrade


[For Professionals] Make Sure that StorAHCI.sys Driver is Error Free

Go to the Device Manager (Press Windows key and X and select Device Manager)

Click on the IDE ATA/ATAPI Controllers category to expand it. Double-click on the AHCI controller.

Now, navigate to the Driver tab and click on the Driver Details.

Here, if you found storahci.sys stored in a path of system32 folder, then it is confirmed that you are using the inbox AHCI driver. 

Exit from the Driver Details window and then go to Details tab. Click on the drop-down menu and choose Device Instance Path.

Now you need to do some operations on registry editor. To do this, go to the search box and search for the regedit. Select the registry editor from the search result.

After it navigate to the:

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

<AHCI Controller> refers the name of controller.

<Random Number> is varied on different systems.

After it, double click on the MSISupported key and set the value to 0.

At last, reboot the computer after doing all modifications.


[For All] Perform a Clean Boot

A clean boot is a way to load Windows with some necessary drivers and startup programs.

So, with the help of this process, one can find the source cause of this issue.

Go to the search box and search for msconfig.

Choose System Configuration from the search results.

Navigate to the Services tab or click to select the Hide all Microsoft services check box, and then click on the Disable all option.

Again on the Startup tab of the System Configuration dialog box, tap or click Open Task Manager.

On the Startup tab in Task Manager, for every startup item, choose the item and then click Disable.

After it close the Task Manager.

On the Startup tab of the System Configuration dialog box, tap or click OK, and then restart the computer.

Source of Steps for Clean Boot:


[Easy to Apply] Use High-Performance Power Plan

Go to Power Options and choose the High-Performance power plan.

Along with, click on the Change plan settings and then expand Turn off hard disk after and set the minutes to 0.


[Suggested] Make sure All the System Files are Correct

Run command prompt with admin privilege

Press Control + X button simultaneously and choose Command Prompt (Admin).

Now you need to type sfc /scannow and press Enter key to run:


This command will verify all the system files integrity and restore the corrupted system file.


Change the Google Chrome & Skype settings

Open Google Chrome, and click on the three-dot icon present at the top right corner and select Settings.

Go to the bottom section of the page and click Advanced.

In the Privacy and Security category, if Use a prediction service to load pages more quickly is not turned off then turn it off.

If Skype is running then exit from Skype completely.

In Windows Explorer, navigate to the C:\Program Files (x86)\Skype\Phone\.

Right-click on the Skype.exe and choose Properties

Go to the Security tab and choose Edit.

Click ALL APPLICATION PACKAGES and tick the Allow checkbox for Write.

At last click on the Apply, then OK to save all the modifications.


[Temporary Solution] Turn off Windows Search, Superfetch and BITS Services

  • Open run dialogue box by pressing Win+R.
  • Type services.msc and press Enter key.

  • Double click on the service and click on the Stop.
  • In startup type, choose Disabled.
  • Click OK

[Temporary Solution] Disable Tips about Windows

Go to the Settings and then System

Then to Notifications and Actions.

Turn off Get tips, tricks, and suggestions as you use Windows:


Reset Windows 10 to get rid of 100% disk usage

Resetting Windows 10 can fix 100% disk usage problem effectively, but before resetting your system it is recommended to keep all of your data, app and app data secure. Create a complete backup of your data and store them on another secured place.

  • Open Settings >> Update & Security >> Recovery.
  • Under the Reset this PC option, click on the Get Started.
  • Simply, follow the instructions appearing on the screen and make sure you have selected to keep your files.
  • Now, the process will take few minutes to complete and after it try to update your PC immediately.


Recommended Post: Guide to make Windows 10 Faster: Top 10 Tricks to speed up your PC


[Highly Recommended]Fix Internal System Errors and Driver Issues

All the above-discussed tricks are able to deal with 100% disk usage issues in Windows system but it is recommended to make sure that your system is free from any type of internal error and driver issues.

To detect and fix such causes you must go with a professional PC Error Repair Tool. With the help of this advanced software, one can easily find and get rid of Windows System Errors. This repair tool will automatically detect any type of DLL, registry, system, BSoD & other errors and fix them in few seconds.

Via this, you can also fix all types of driver related issues, it will automatically find the outdated system drivers and fix them automatically.

So, it is recommended to download PC Error Repair tool and make your PC free from 100% disk usage & other errors.

Follow 3 Simple Steps to Repair PC Instantly!

  1. Step 1 – Download & Install PC Repair Tool.
  2. Step 2 – Click “Scan” button to diagnose the PC.
  3. Step 3 – Click “Fix Errors” to the fix the issues and you are done.

(Note: This powerful tool can increase your performance by 97%)

Top 10 Solutions to Fix 100% Disk Usage in Windows 10
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Top 10 Solutions to Fix 100% Disk Usage in Windows 10
Apply the given tips to Fix 100% Disk Usage in Windows 10: Reset Windows 10, Change the Google Chrome & Skype settings, after it..
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