Dear all,
Finally, I've found a solution to solved my problem...
During installation of the Drivers for the laptop, we have to keep restart the laptop after you've done the installation of driver.
We can't restart the laptop after all the drivers has been completely installed.
The powercfg - a command still shown the same as previous configuration
The following sleep states are available on this system: Standby < S3 > Hibernate Hybrid Sleep
The following sleep states are not available on this system:
Standby < S1 >
The system firmware does not support this standby state.
Standby < S2 >
The system firmware does not support this standby state
Thanks for everyone whose gave his valuable ideas and solutions.
Thank you.