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Performance

CPU Usage High at Idle Windows 11 Fix [2026]

AG
Againly Tech Team
April 23, 2026

CPU Usage High at Idle Windows 11 Fix [2026]

Quick Answer: High CPU at idle due to background processes or malware. Open Task Manager, sort by CPU, and end high-usage tasks.

Fix

Identify Process

Task Manager → Processes → Sort by CPU → Identify culprit

Disable Startup

Task Manager → Startup → Disable high-impact apps

Check for Malware

Run Windows Defender full scan

Update Drivers

Outdated drivers can cause high CPU usage

How Againly Helps

Againly runs check_memory_pressure to detect CPU issues.

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Works on Windows 10 & 11 • No credit card required

CPU Usage High at Idle Windows 11 Fix [2026] | Againly