11 Disable Hibernation File — Windows

powercfg /h off Press Enter.

dir C:\hiberfil.sys “File not found” — success. Yes — but she didn’t care. Fast Startup is a hybrid hibernation mode. Without hibernation, Windows boots slightly slower (an extra 2–3 seconds on her SSD). Sleep still worked perfectly, and she gained back critical disk space for video projects. What if you do want Fast Startup but not a huge hibernation file? You can keep Fast Startup but shrink the hibernation file to 20% of RAM (minimum safe size): windows 11 disable hibernation file

powercfg /hibernate size The output showed: Hibernation file size: 40% of total memory (approx. 18.9 GB) powercfg /h off Press Enter

She cleaned temporary files, uninstalled old apps, and even ran Disk Cleanup. Still, almost had quietly vanished. uninstalled old apps