>powercfg /a
The following sleep states are available on this system:
Standby (S1)
Hibernate
Fast Startup
The following sleep states are not available on this system:
Standby (S2)
The system firmware does not support this standby state.
Standby (S3)
The system firmware does not support this standby state.
Standby (S0 Low Power Idle)
The system firmware does not support this standby state.
Hybrid Sleep
Standby (S3) is not available.
The hypervisor does not support this standby state.