Disable Hiberfil Sys ^hot^ Today

Alternatively, verify in File Explorer (with hidden & protected OS files visible) – the file should be absent. To restore hiberfil.sys and hibernation functionality:

powercfg -h on This recreates the file with the default size (approx. 40–75% of RAM). To set a (e.g., for Fast Startup only): disable hiberfil sys

powercfg -h -size 60 This limits the file to 60% of RAM – enough for Fast Startup but not for full hibernation. | RAM Size | Default hiberfil.sys size | Space recovered after disable | |----------|---------------------------|-------------------------------| | 8 GB | ~3.2 – 6 GB | ~3–6 GB | | 16 GB | ~6.4 – 12 GB | ~6–12 GB | | 32 GB | ~12.8 – 24 GB | ~13–24 GB | Alternatively, verify in File Explorer (with hidden &

1. Overview hiberfil.sys is a system file created by Windows to support the Hibernation feature. When a computer hibernates, the entire contents of RAM (including open documents, running applications, and system state) are written to this file. Upon waking, the system reads the file back into memory, restoring the exact pre-hibernation state. To set a (e

dir C:\hiberfil.sys /a You should see: File Not Found

powercfg /availablesleepstates Or check hibernation status: