Policy

Turn Off the hard disk (on battery)

This policy setting specifies the period of inactivity before Windows turns off the hard disk. If you enable this policy setting, you must provide a value, in seconds, indicating how much idle time should elapse before Windows turns off the hard disk. If you disable or do not configure this policy setting, users can see and change this setting.

Policy
PackMicrosoft Windows
CategorySystem / Power Management / Hard Disk Settings
Policy IDdc31690461ba
Internal nameDiskDCPowerDownTimeOut_2

Registry

Copy registry mappings

HKLM\Software\Policies\Microsoft\Power\PowerSettings\6738E2C4-E8A5-4A42-B16A-E040E769756E\DCSettingIndex

Policy notes

This policy setting specifies the period of inactivity before Windows turns off the hard disk. If you enable this policy setting, you must provide a value, in seconds, indicating how much idle time should elapse before Windows turns off the hard disk. If you disable or do not configure this policy setting, users can see and change this setting.

Related policies

Turn Off the hard disk (plugged in)