Workaround:
1, some motherboards need to open in the BIOS to support sleep function, can be in the "Device Manager" in the "system equipment", look up to see if there is a call "acpi-compliant system" option, if there is no word is not to meet the prerequisite for sleep, This sleep function needs to be turned on in the BIOS.
2, in addition to ensure that the correct installation or upgrade of all current hardware-compatible Windows 7 drivers, such as wireless network card driver, Bluetooth drive, etc., when not using the system, we recommend the shutdown, such as not connected Bluetooth, disconnected wireless network and other mismatched and open hardware.
Expand "Computer" → "Management" → "Device Manager" in turn. Then right-click the NIC and other devices to select Properties, uncheck "Allow this device to wake up the computer", and then view the status of power management through the POWERCFG command line by opening a command prompt window and entering Powercfg-a "can be viewed.