Microsoft repairs Win7 SP1 can not sleep properly

Windows 7 SP1 released many users encountered such problems or problems, some users reported that the system can enter sleep mode and wake up before installing SP1, but after the installation of SP1 appeared problem. You must manually press the power button to start the system, and you will receive an error message indicating that your machine is not shut down properly.
Microsoft has given instructions and solutions on the technical support website. If your Windows 7 and Windows Server 2008 R2 use the SCSIport miniport driver as the boot device driver, it may cause the system to not sleep properly or create a system. Crash memory dump file.
If you still can't solve the problem, you can follow these steps:
— Open “Power Options">>— Click “Change Plan Settings" to change the in use in the Control Panel Power plan;

— Expand “sleep"options;

— change "Allow wakeup timer" to “disable>;
< Br>— Save settings.

— Click “Change advanced power settings”;