I found a Windows 11 log that shows exactly what’s making my PC slow — and most people don’t know it exists
When my computer is slow, the Task Manager is one of the first places I look. It gives me an idea of what’s happening with the CPU and memory. The Event Viewer also provides some vital information for troubleshooting the lag. However, there have been times when none of these tools have helped me identify concrete, actionable steps, and I’m forced to install new tools for proper system investigation. I recently discovered a built-in tool that opens with a single command. It ties problems down to specific days, showing crash timelines, failed updates, and system issues, and has given me the clearest view of all the built-in Windows tools I’ve used. Opening Reliability Monitor and what the stability graph actually shows Afam Onyimadu / MUO The tool is called Reliability Monitor, and it opens with the command perfmon /rel. Optionally, on the Start menu, you can search for Reliability Monitor and open the View reliability history Control Panel applet. The tool may take a few seconds to generate the report, but it’s neat and feels …









