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This has puzzled me for quite a while, and having found no solutions by myself I thought some of you might know what's going on.
Symptoms
Plug my laptop in. Hibernate Windows (Vista). Turn the laptop on and wait for the login screen to appear. Don't touch the keyboard/mouse. Wait for a few minutes (guesstimate: 3-4). Laptop will hibernate itself automagically.
System settings
I have auto-hibernation turned off for both plugged-in and battery powered. Furthermore, when I set Vista not to require password when waking up, the above doesn't happen - after 10 minutes the screensaver kicks in, but no auto-hibernation stuff going on!
Questions
How do I set my Vista up so that it doesn't auto hibernate after some inactivity on login screen straight after waking from hibernation?
I've tried going through all the advanced power options but could not find the culprit. I googled for a quarter of an hour too, to no avail. – Dav – 2010-11-23T11:21:31.643
Is the box current with service packs? Vista had known sleep/hibernation issues that SP2 was supposed to have corrected. – goblinbox – 2010-11-29T10:22:28.837
Good suggestion, wasn't aware of any hib fixes in SP2. But I've been running Vista Business SP2 since I can remember (double checked a minute ago), so that should not be the cause. – Dav – 2010-11-29T12:42:34.533