Hello,
There are a couple of places to look,
First look in the System Event log, We may try to log the reason why the
machine wakes up in there.
Then Try this.
Open and elevated CMD prompt
run powercfg /lastwake
report back the output.
For example my machine's output:
C:\Windows>powercfg /lastwake
Wake History Count - 1
Wake History [0]
Wake Source Count - 1
Wake Source [0]
Type: Device
Instance Path:
PCI\VEN_8086&DEV_27C8&SUBSYS_01A81028&REV_01\3&172e68dd&0&E8
Friendly Name:
Description: Intel(R) 82801G (ICH7 Family) USB Universal Host
Controller - 27C8
Manufacturer: Intel
This means on my machine something connected to USB woke the machine up,
which would be right, I used the keyboard or mouse to wake the machine when
it was sleeping
Thanks,
Darrell Gorter[MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights
--------------------
| >From: "Ryka" <
[email protected]>
| >Subject: Hibernation Problem
| >Date: Wed, 28 May 2008 18:47:45 -0400
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| >Newsgroups: microsoft.public.windows.vista.performance_maintenance
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| >I asked this question in vista.general but no one answered me; so I hope
| >someone in the group will help me.
| >
| >When I put my computer into Hibernate sometimes it will stay that way
(all
| >night), but, other times, with nothing changed from the night before, it
| >will be Awake in the morning. What should I do to have Hibernate work
all
| >night every night? Thanks.
| >
| >