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Almaiw's avatar
Almaiw
Steel Contributor
Jul 20, 2026

Windows 11 Slow system performance and lagging

on my Windows 11 PC, with frequent lagging, delays, and freezing during normal tasks such as opening applications, browsing files, and switching between windows. The issue occurs even when I am not r...
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Jamony's avatar
Jamony
MCT
Jul 20, 2026

Your PC is lagging during light tasks, so identify which resource is saturated instead of changing settings blindly. Press Ctrl+Shift+Esc, open Task Manager, and sort Processes by CPU, Memory, then Disk while the slowdown is happening. Note any process that remains high; update, repair, or remove that app. Next open Settings > Windows Update, install Windows and optional driver updates, and restart. In Settings > System > Storage, check free space and run Storage Sense; low system-drive space can slow Windows. In Task Manager > Startup apps, disable nonessential high-impact items, leaving security, audio, graphics, and touchpad utilities enabled. Run Windows Security > Virus & threat protection > Quick scan. If Task Manager shows no software process but memory stays near full or disk usage stays at 100%, record those readings and the device's RAM, storage type, and model. That evidence distinguishes a background-app problem from storage or hardware limits.