Troubleshooting
How to fix high CPU usage when your PC is idle
System Idle Process at 90% is spare capacity, not load. Find what really keeps a Windows 11 CPU busy at idle, and fix it without disabling essentials.
5 min read
Fixing the common stuff: full drives, slow boots, misbehaving apps.
Troubleshooting
System Idle Process at 90% is spare capacity, not load. Find what really keeps a Windows 11 CPU busy at idle, and fix it without disabling essentials.
Troubleshooting
Find what is using your memory, tell normal Windows caching from real pressure, stop leaks and background apps, and know when more RAM is the fix.
Troubleshooting
A triage order for a full system drive. Find what's eating space, reclaim the big wins first, and avoid the folders you should never touch.
Troubleshooting
When Task Manager shows the disk pinned at 100%, one of a handful of culprits is usually responsible. Work through them in this order.