- Windows Cpu Usage History
- 100% Cpu Usage Windows 7
- Windows 10 Cpu Usage
- Windows Cpu Usage
- Cpu 100% Usage Problem Windows 7
PC Repair: 100% CPU Usage for svchost exe by BritecProcess Explorer DownloadTask. Laptop has a new install of Windows Vista Business and is so slow as to be nearly unusable. Basic apps such as Explorer and Control Panel constantly not responding then running and CPU usage is constantly 100%. Any ideas would be gratefully accepted.
Last updated on 07/04/2018
This article guides you to resolve the problem when hard disk runs at 100% usage on different Windows like Win10/8/8.1/7/XP.
Some people have encountered the problem: hard disk is running at 100% usage on their computer running Windows, but they have no idea how the disk usage gets to 100%.
You will find this page helpful if you meet the same problem that Windows hard disk runs at 100% usage.
This page includes following useful contents:
Reasons for Disk Usage 100% Issue
Usually, you can check the disk usage on different Windows by opening Task Manager.
When disk usage is at 100%, it probably slow down your computer or even freeze up your PC and lead it to stop working normally. Here are possible reasons why hard disk shows 100% usage on Windows:
1. Hard disk drive failure
This problem sometimes occurs if you installed an old hard disk on your computer because old HDD usually cannot meet the demand of Windows. Sometimes, even if you installed a new hard disk, the problem also occurs because hard disk has failures.
2. Antivirus
Antivirus infect would lead disk space usage to be 100%, so you can run antivirus software to check if hard disk is attacked by virus, spyware or Trojan.
3. Windows Defender
Windows Defender is built-in antivirus software in Windows 10 and Windows 8. If you do something else when running Windows Defender to scan disk, the disk usage probably gets to 100% easily.
4. Windows HomeGroup
Windows HomeGroup would occupy lots of disk usage, so you can check if it is that you enabled Windows HomeGroup that causes disk usage to be high.
5. IPv6
IPv6 is the abbreviation of Internet Protocol version 6, which will occupy disk usage on Windows.
6. SuperFetch service
SuperFetch service is specially designed for enterprise application and large collaborative software. If you are home user, you do not need to open SuperFetch service on your computer.
7. Virtual memory reasonable
Virtual memory can increase burden of hard disk and occupy much disk usage though it is able to improve the performance of system.
8. More other reasons
On different Windows computer, the reasons might be a little different sometimes. You may meet the problem due to more other reasons under different Windows OS. Therefore, we will share solution for 100% usage in different Windows later.
Hard Disk Usage 100% Fix Windows
Following methods are available for all Windows including Windows XP, Vista, 7, 8/8.1 and 10 for 100% disk usage repairing:
1. Change a new hard disk
You can check hard disk for errors firstly. If hard disk is too old or gets corrupted, you can replace it with a new one. An SSD is better than a basic hard disk, so you can use SSD drive on Windows 10, 8 or 8.1 PC if possible.
2. Check virus
Run antivirus program to check virus and remove all viruses on your computer. Uninstall all possible malware and make your hard disk clean.
3. Delete temporary files and cookies
Try deleting all temporary files and cookies on your computer. You can also run disk cleanup to perform a disk cleanup to wipe unnecessary cookies and temporary files.
Windows 10 / 8 / 8.1 100% Disk Usage
100 percent of disk usage is a problem that frequently occurs in Windows 10, 8.1 and 8. If disk usage is at 100% on Windows 8/8.1/10, you can also try using following methods to fix it:
1. Check system for corrupted files
You can run CMD in Windows 10, 8.1 and 8 and type sfc/scannow to scan system for corrupted files, after which you can reboot computer to see if the problem can be fixed.
2. Disable Windows Defender
You can disable Windows Defender to decrease the disk usage following this guide: click 'Start' menu > 'Settings' > type 'Defender' and find the 'Windows Defender Settings' > turn off the 'Real-time protection' and 'Cloud-based Protection'
3. Disable Windows HomeGroup
You can disable Windows HomeGroup to decrease the disk usage on Windows 8 and its later Windows version following this guide: press 'Windows' + 'R' keys and type 'services.msc' to open 'Service' Windows > find 'HomeGroupListener' and 'HomeGroupProvider' > select 'Disalbe' option in 'Startup type'
4. Disable IPv6
To disable IPv6 in Windows 10/8.1/8, you can right click the current internet and select 'Properties' > unselect the 'Internet Protocol Version 6 (TCP/IPv6)'
5. Optimize or disable Windows Search
According to our test, Windows Search does not occupy much disk space, so it is not necessary to disable Windows Search. However, you can optimize Windows Search for a better performance.
Windows Cpu Usage History
6. Disable SuperFetch service
You can follow the steps to disable SuperFetch service: type 'Service' in Windows 10 Search box to open the 'Service' screen > right click 'SuperFetch' and select 'Properties' > find the 'Setup type' and select 'Disable'
7. Reset virtual memory
You can follow the tutorial below to reset virtual memory:
Step1. Right click 'This PC' and select 'Properties' option > click 'Advanced System Settings' > click 'Advanced' tab and then click 'Settings' button > select 'Advanced' tab and choose 'Change' button
Step2. Unselect the 'Automatically manage paging file size for all drives' > select the system partition (usually C drive) and click 'Set' button and then 'Ok' button.
Step3. Set the virtual memory (the virtual memory should not be less than 2048MB)
8. Disable MSI mode
Some of the SSD drives may fail to input / output correctly in MSI mode if the SSD is running inbox AHCI driver (StorAHCI.sys), in which situation it may report disk usage running at 100%. Therefore, you can disable MSI mode to repair this problem:
Step1. Right click 'This PC' and click 'Device Manger' > open 'IDE ATA/ATAPI Controllers' > right click 'Standard SATA AHCI Controller' and select 'Properties'
Step2. Click 'Driver details' under 'Driver' tab > you can see the 'Driver File Details'
Step3. Close the 'Driver File Details' and then click 'Details' tab > select 'Device Instance Path' and copy the value
Step4. Type 'regedit' in Windows 10 Search box > open HKEY_LOCAL_MACHINESystemCurrentControlSetEnumPCI
Hard Drive Runs at 100 Percent Windows 7 Vista XP
For Windows 7 and previous Windows version, disk space usage 100% problem less occurs. In addition to common methods mentioned above, you can open Task Manager to check what occupy the disk space and delete or uninstall the unnecessary files or applications.
Hot Articles
Related Articles
Data Recovery > Howto Articles > How to Make a Bootable USB Drive on Windows PC
Windows 10 will run slow when you open it for a long time. No matter what application will crash under such case. You will find that CPU usage 100 percent Windows 10 if you open the Task Manager. Therefore we found some solutions to reduce CPU usage in the following tutorial.
Fix CPU usage 100 percent Windows 10
Here are five ways provided for you：
Way 1: Reduce usage Windows 10 by optimizing computer's drives
If you hardly optimize your computer's drives, there will be cash take up disk space. To reduce usage Windows 10, do the steps below.
Step 1: Press Windows + E key to open File Explorer. Right-click on Disk C and select Properties.
Step 2: Switch to Tools tab, click on Optimize.
Step 3: In the Optimize Drives window, select a drive and click on Optimize.
Way 2: Fix Windows 10 CPU usage by Registry
Step 1: Hit Windows + R combination to invoke Run dialog.
Step 2: Input 'regedit' then press Enter.
100% Cpu Usage Windows 7
Step 3: In the Registry Editor window, expand the following keys: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTimeBroker
Step 4: Click on TimeBroker then find Start option in the left pane.
Step 5: Double-click on it and change the value data to 4. Restart your computer to save changes.
Windows 10 Cpu Usage
Way 3: Disable Cortana when high CPU utilization
Step 1: Click on Windows + R then type gpedit.msc in the box.
Step 2: Locate to Computer ConfigurationAdministrative TemplatesWindows Components Search.
Step 3: Go to the right panel, find out the following items.
- Allow Cortana
- Allow Cortana above lock screen
- Allow search and Cortana to use location
Step 4: Double-click on them and select Disable in the popup window. Tap on Apply then OK to make changes affect.
Windows Cpu Usage
Way 4: Reduce CPU usage 100 percent through Services
Cpu 100% Usage Problem Windows 7
Step 1: Press Windows + R and type 'services.msc' to run Services.
Step 2: Locate to Connected User Experiences and Telemetry option, right-click and Stop it.
Way 5: Turn off notification to repair CPU usage 100 percent Windows 10
Step 1: Click on Windows icon then click on Settings.
Step 2: Click on Notifications & Actions tab, choose what you need to close.
Related Articles: