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Top 8 Ways to Fix High RAM and CPU Usage of Windows 10

Windows 10 is the latest and greatest version of Microsoft Windows to date. But it’s not without flaws. Lots of users reported that some processes are slowing down the OS by consuming tons of RAM and CPU power. What causes the problem and how to fix high CPU usage in Windows 10?

The Possible Culprits and The Fix

According to the users’ investigation, there’s one System process called ntoskrnl.exe in Windows 10 which hogs the OS. Reportedly, this process uses an increasing amount of RAM after PC starts. It remains calm for few hours, but then it eats up all the free RAM and a large portion of CPU juice.

There are several possible culprits on why the system process is acting up. Here are some ways that you could try to remedy the problem.

Scan for Malware

Before doing anything else, please make sure that your system is not affected by some malware. Users who upgraded their PCs from older Windows 7 and 8.1 might bring along any malware from the previous OS. To handle this possible issue, you can install anti-malware tools to deep scan your Windows 10 PC and remove any remaining bad news.

If this problem still persists, continue to the next step.

Registry Hack


Adjust Your Windows 10 for The Best Performance


Adjust Windows for best performance

Disable Startup Programs


Disabling startup programs

Defragment Hard Drives


Starting a hard drive defragmenting process

Uninstall Unused Pre-Installed Apps


Open the task manager and look into the process tab to check if one of your apps is using more RAM memory then it is supposed to.

Close and uninstall as many unwanted preinstalled applications as many you can.

Update Outdated Drivers

Now, let’s continue with the steps to contain memory leak and High CPU/ RAM problem due to ntoskrnl.exe process. People have claimed that the root cause of this Windows 10 memory leak is some faulty driver. So, do these steps:

Go to Start menu > Settings app and then open System > Notifications & Actions. Deselect the option “Show me tips about Windows” and reboot the computer.

disabling runtime broker

1 Click to Fix Windows 10 High CPU and Memory Usage with Windows Care Genius

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windows 10 high cpu usage

That’s all for how to fix high CPU and memory usage on Windows 10. If your Windows 10 CPU keeps 100% all the time, just give this tips a try.

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