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Vista Hybrid sleep issue

1K views 0 replies 1 participant last post by  xujie0724 
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Description:System can't be waken up by PS/2 mouse when let a Windows Vista-based computer that uses the hybrid sleep function enter S3 --> unplug the power cable -->then plug power cable --> plug power cable and power on system by power button.--> enter S3 again --> try to wake up system by PS/2 mouse.

Below is my test step:

1. Install Vista OS with retail CD and update Vista patch_sp1.
2. Install all latest drivers.
3. Check "Allow hybrid spleep setting=on" in power options-->Advanced settings-->Balanced[Active]--> Sleep.
4. Enter S3.

5. Unplug the power cable.
5. Plug power cable and wake up system by power button.

6. Enter S3 again.(Note:pS/2 mouse has function before enter S3 again.)
6. Try to wake up system by ps/2 device after entering s3.
7. Found the system can not be waken up.

We don't know the issue we meet is the same as http://support.microsoft.com/kb/944528/en-us ?

The following is from http://support.microsoft.com/kb/944528/en-us:
PS/2 devices may not function when a Windows Vista-based computer that uses the hybrid sleep feature resumes power after a power loss.
SYMPTOMS:
Consider the following scenario. You enable the hybrid sleep feature on a Windows Vista-based computer. The computer has PS/2 devices that are connected. The computer experiences a power loss. In this scenario, the PS/2 devices may not function when the computer resumes power.

The only difference is that PS/2 mouse has function before enter S3 again in my computer when resuming power after a power loss.Our issue occurred after enter S3 again.
 
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