Teams High CPU Usage Windows 11 Fix [2026]

Quick Answer: Teams uses too much CPU because of background blur, GPU acceleration conflicts, or bloated cache. Turn off "New meeting experience" and clear %appdata%\Microsoft\Teams\Cache.

Symptoms

Teams using 50-100% CPU
Laptop fans loud during Teams calls
System slows down when Teams is open
High CPU even when idle

Root Cause

Background effects, GPU acceleration, corrupted cache, or old Teams version.

Fix

Method 1: Disable GPU Acceleration

Teams → Settings → General
Check "Disable GPU hardware acceleration"

Method 2: Turn Off Background Effects

Teams → Settings → Devices
Turn off all background effects and noise suppression

Method 3: Clear Teams Cache

Get-Process teams | Stop-Process -Force
Remove-Item "$env:APPDATA\Microsoft\Teams\Cache\*" -Recurse -Force

Method 4: Switch to New Teams

Teams → Settings → General
Check "Turn on new Teams"
Restart Teams

Method 5: Check for Updates

Get-Process teams | Stop-Process -Force
# Reinstall from teams.microsoft.com/download

How Againly Helps

Againly runs check_teams_specific to detect cache bloat and GPU conflicts causing high CPU.

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FAQ

Q: Why is Teams worse than Zoom? A: Teams uses Electron (Chromium-based) which consumes more resources.

Q: Will New Teams help? A: Yes, New Teams uses 50% less CPU than Classic Teams.

Instant Resolution

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Works on Windows 10 & 11 • No credit card required