If your Windows 10 computer has become noisy and painfully slow, it is most likely suffering from High RAM and CPU Usage. You should be able to fix this problem using troubleshooting steps as provided below.
High RAM and CPU Usage in Windows 10
There are many reasons for high RAM and CPU Usage in Windows 10, ranging from Device drivers becoming outdated or corrupted to various Apps running in the background and using up excessive resources.
High CPU & RAM usage on a Windows computer can also be caused by Malware, Viruses, Rogue Programs, Incorrect or corrupted Registry settings.
Depending on the reason for the problem on your computer, you should be able to fix High RAM & CPU usage issue on your computer using any of the following methods.
1. Scan for Malware and Uninstall Unwanted Programs
The problem could be due to your PC being affected by Viruses and Malware. To rule out this possibility, you Scan your computer using any Antivirus program installed on your computer or use Microsoft Defender Offline Scan .
2. Prevent Apps from Running in Background
Apps like OneDrive, Microsoft Teams, Skype and other have an inherent tendency to startup with the computer and keep running in the background.
Go to Settings > Privacy > select Background Apps in the left pane. In the right-pane, toggle OFF the option to Let Apps Run in the background.
This will prevent Apps from running in the background and unnecessarily using up resources on your computer.
3. Disable Runtime Broker
Runtime Broker has been reported as being one of the main reasons for High RAM and CPU Usage in Windows 10.
Go to Settings > System > select Notifications & Actions in the left-pane. In the right-pane, scroll down and disable Get tips, tricks, and suggestions as you use Windows option.
Restart your computer and you should now see it running better than before.
Many users have reported significant reduction in Runtime Broker activity after making this single change on their computer.
4. Disable Startup Programs
Right-click on the Start button and click on Task Manger. On Task Manager screen, switch to Startup tab to see the list of programs that open at startup on your computer.
Simply, right-click on the Program that you do not want to open at startup and click on Disable option in the contextual menu.
Repeat the above steps to stop other unnecessary Apps from starting with your computer.
5. Update Device Drivers
Right-click on the Start button and click on Device Manager. On Device Manager Screen, click on Action > Scan for hardware changes.
Windows will scan your computer for Hardware changes and update device drivers (if required).
6. Disable Updates from More Than One Place
Go to Settings > Update & Security > Advanced Options > scroll down and click on Delivery Optimization. On the next screen, disable Allow Downloads from other PCs option.
Disabling this update option is known to reduce Runtime Broker Activity and this should reduce High RAM and CPU usage on your computer.
5. Modify Memory Management System
It is recommended that you create a system Restore Point on your computer before following the steps below to make changes to Registry Values on your computer.
Right-click on the Start button and click on Run. Type Regedit in the Run command window and click on OK.
On Registry Editor screen, navigate to “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager” and click on Memory Management (1) Folder.
In the right-pane, right-click on ClearPageFileAtShutDown (2) and click on Modify (3) (See above image).
On the Edit DWORD Value screen that appears, change the value of ClearPageFileAtShutDown from 0 to 1 and click on OK.
Restart your computer, in order to apply this change on your device.
6. Setup Visual Effects for Best Performance
Right-click on the Start button and click on Run > type SystemPropertiesAdvanced in Run Command window and click on OK.
On the next screen, select the Advanced tab and click on Settings button under “Performance” section.
On the next screen, click on Visual Effects tab and select Adjust for best performance option.
Click on Apply > OK to save these settings on your computer.
7. Automatically Manage Memory
Setting the computer to automatically manage memory allows it to use Virtual memory (paging file), whenever there is a shortage of RAM on your computer.
Open File Explorer > right-click on This PC and click on Properties.
On the System screen, click on Advanced system settings link located under “Related Settings” section. On the next screen, switch to the Advanced tab and click on Settings button under Performance section.
On the next screen, switch to Advanced tab and click on the Change button located under Virtual Memory section.
On Virtual Memory screen, uncheck Automatically manage option, select your Hard Drive and select System Managed size and click on OK.
Make sure that you Restart the computer for above changes to be implemented.
9. Defragment Hard Drives
Open Control Panel and go to System and Security > scroll down to “Administrative Tools” section and click on Defragment and optimize your drives.
On the next screen, select the Drive that you want to defragment and click on Optimize button.
Patiently wait for Windows 10 to complete the process of optimizing the selected drive.
10. Remove Unwanted Programs
Finally, consider Removing all the unnecessary Apps and programs installed on your computer. This helps in recovering the storage space and reducing unwanted resource usage on your computer.