TechWise PH

  Why My PC Was Using So Much RAM and CPU When Idle — and How I Fixed It By Kim Fourteen | Techwise PH Posted: July 31, 2025 The other day, I noticed something strange. My laptop fans were running like I was rendering a video or playing a game—but I wasn’t doing anything heavy at all. Just a few browser tabs open. No big software in the background. Curious, I pulled up Task Manager. That’s when I saw it: my CPU was at 30% and RAM usage was over 60%, even when idle. So I did some digging, and here’s how I got things back to normal. Step 1: Check Task Manager for Clues Start by pressing Ctrl + Shift + Esc. In Task Manager, click on the Processes tab and sort by CPU and Memory. Some processes jumped out right away: SearchIndexer.exe was always active SysMain (also called Superfetch) was eating up memory Antimalware Service Executable was unusually busy Background apps like Teams and Skype were running quietly These services are normal, but they shouldn’t be this active when you...