powercfg /availablesleepstates Or check hibernation status:
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
dir C:\hiberfil.sys /a You should see: File Not Found disable hiberfil sys
Alternatively, verify in File Explorer (with hidden & protected OS files visible) – the file should be absent. To restore hiberfil.sys and hibernation functionality: disable hiberfil sys
powercfg /a Execute: