Vista - Won't stay hibernated

I am using Windows Vista Home edition, and my computer is connected to a
network through an Ethernet cable. Hibernate used to work fine, but since
installing Service Pack 1 it only stays hibernated for a few minutes, then
wakes itself up again. I have set it to hibernate after 20 minutes of
inactivity, so now when I leave it, it goes through a never-ending cycle of
hibernating then resuming, hibernating then resuming, ad infinitum. I have
no choice other than to shut down completely. I am wondering if something,
maybe the network connection, if causing it to resume, and if there is some
way I can stop that happening so I can use hibernate again. I think I read
an answer to a similar question here, but can't remember what the procedure
was. Any help would be much appreciated.

"Restart on error' is the only reason I can see for that. The error would be
reported in the Event Viewer (eventvwr.msc), and tell you the filename of
the cause. You could locate that file, and read it's Properties to find out
what is causing it. I would guess it's one of your drivers.
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Mark L. Ferguson
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"Ian_M" <cde4@xxxxxx> wrote in message
news:474CDDAD-1FA5-4A06-A4B4-C77BE1FE6773@xxxxxx

Thanks for your reply Mark. I had a look at Event Viewer but could not find
anything relevant in it. (But also I was not really sure what I was looking
for or where to look among all the different categories of events). Judging
by other posts on here a lot of people have been finding that sleep /
hibernate no longer work properly after installing SP1. I hope very much
that Microsoft look into this and give us an update to solve it. If anyone
else finds a solution please post. Thanks.


"Mark L. Ferguson" <MarkLFerguson@xxxxxx> wrote in
message news:09CEF374-50AC-41B6-B34E-E9695B6ADDB3@xxxxxx

Solved: Had same problem. 32-bit Vista would immediately resume after entering sleep/hibernate. Isolated culprit by selectively disabling services using msconfig. It was the DHCP client. Seems there is a conflict for the 790i motherboard due to multiple ethernet ports. Resolved problem by moving network connection from MAC1 to MAC0 (ie, moved the ethernet connector to the other connector on the back of the computer). Works fine now. Hope this helps.