After the Win10 system is turned off, the power light is always on. What should I do?

Win10 system is turned off and the power light is always on. What should I do? WIN8.1 is used well, received push upgrade to win10, and the driver installed ASUS official win10x64 version. There is a phenomenon that the power can not be shut down normally: the power light is still on after the shutdown, the keyboard does not respond, the fan is still hot, and the power button can only be pressed hard.
1, device manager - system equipment, see intel management engine interface driver version

2, win10 support IMEI driver version number is 11, downgrade it to version number 9 or 10, you can Solve the problem that can not be shut down

3, I began to downgrade to version 10, the boot test was unsuccessful, continue to downgrade to version 9.5, and now the test is determined to be successfully resolved.