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Disconnect all external devices such as a printer, scanner, audio jack and check if CPU usage comes to normal.First of all, restart your PC that helps if any program or service is stuck running and eating up system resources, and that also fix if any temporary glitch causing 100 CPU usage as well.Here in this post, we have listed some simple tips that help fix High CPU usage and 100% disk usage on Windows 10. Windows 10 100 CPU usage is really annoying, especially if you don’t actually do anything. The reason may various that causing Windows 10 High CPU usage, from a buggy windows update, System file corruption, incompatible drivers, corrupted registry entry, Virus malware infection and more. This issue can affect both desktop and laptop users as few others also report Windows 10 freezes, Became Unresponsive, and files, folders or apps won’t open at startup. Have you noticed the system gets slow, freezes after Windows 10 update? CPU shows extremely high usage (99% or 100%) even nothing is running in the background.
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