Hybrid Sleep is the best thing in
Vista that I love most! The Hybrid sleep mode might not work
well on older computer, you should check the support level
of hybrid sleep mode on your computer with "powercfg -a"
command. I will outline some of the common sleep problems in
this article, and show you the proper way to diagnose and
solve it.
Problem #1 - Sleep mode not supported.
Some older hardware will not support the sleep mode
properly, the level of sleep mode supported varies between
different hardware. Open command Windows and type "powercfg
-a" to list the support level of each hardware.
There are 4 levels of sleep mode:
S1 - Light Sleep
S2 - Deeper Sleep
S3 - Deepest Sleep
S4 - Hibernation
Problem #2 - Unwanted wakes up call.
Many unwanted and unexpected wakes up reported by users.
Some wakes up after 2 ~ 3 minutes, some take longer. One
principle here: Vista will not automatic wakes itself unless
activated the schedule task or hardware. On that basis, we
must first determine how many hardware from the computer is
supporting wake up function. Open command Windows and type "powercfg
-devicequery wake_armed", this command will list the
hardware with wakes up support.
Then go to Device Manager and disable the wake up function
on the "Power Options" tab, one by one, to determine the
actual hardware that causes such problem. I use this method
to discover and disable my mouse's wakes up feature, from
that day, my Vista never wakes up unpredictably.
Finally, you should update your Vista, your computer's BIOS
and firmware, then get the latest drivers for your hardware.
(C) Copyright 2008 Kok Choon
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