Fix Windows 7 SP1 can not sleep properly

After the release of Windows 7 SP1, many users have encountered such problems or problems. Some users report that the system can enter sleep mode and wake up before installing SP1, but after installing SP1 There was a 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 Unable to create a system crash memory dump file.

First, you can install the following patch:

If you still can't solve the problem, you can follow these steps:

— Open the “power option in the control panel ”;

— Click “Change Plan Settings  to change the power plan in use;
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— Click “Change Advanced Power Settings ";
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— Expand&ldquo ;sleep”options;
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— Change "Allow Wake-up Timer" to "Disable";
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