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If my laptop is set to "do nothing when I close the lid when plugged in" and "hibernate when I close the lid when on battery, what will the laptop do if I close the lid when plugged in then unplug it after I've closed the lid?

(I'm using 32-bit Windows Vista home premium service pack 2, acer aspire 4937G laptop )

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whoahh. I don't know how I've never thought of this before. Excellent question. –  jcrawfordor Jun 10 '11 at 2:51

3 Answers 3

up vote 1 down vote accepted

It would depend on your Power Management settings. Since you've set to "Do Nothing" when plugged in and when laptop lid is closed - when you close the lid - since the laptop is still plugged it, it will follow the rule and it will still remain on.

Once the the plug is pulled - it will follow the power management settings for unplugged - rightaway nothing will happen, once the battery starts draining & once the thresholds for various events ( Read: If idle for x time do y) are met, those particular actions will take place.

If these rules are set as do nothing even during battery mode, then at the power management rules for low battery mode & critical battery mode will take place.

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how do i set rules for low battery mode & critical battery mode ? i'm using acer aspire 4937G btw –  Pacerier Jun 10 '11 at 6:25
    
Go to Control Panel -> Hardware & Sound -> Power Options. See which plan is active ( there will be a radiobox selected to it) and click on Change plan settings –  Sathya Jun 10 '11 at 6:36
    
i did select change plan settings but of those options it doesn't have a way for us to indicate rules for low battery and critical battery mode: i.imgur.com/Dw2QD.jpg –  Pacerier Jun 10 '11 at 8:41
    
ok so basically we can't indicate rules for low battery but we can indicate rules for not used in a while? –  Pacerier Jun 12 '11 at 1:52
    
@Pacerier - seems the Acer Power Management thingy has taken over Windows' plans settings. This is how it looks on my laptop i.imgur.com/X41lW.png. The advanced settings option has more granular options i.imgur.com/HjUxh.png –  Sathya Jun 12 '11 at 4:58

I don't think anything will happen. The lid has already been closed, so you've already triggered the ACPI event for that (in this case, it didn't do anything). Pulling the plug would trigger that event, but I don't think it would re-trigger the lid closure event. Just try it to be certain.

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Why don't you just try it? My guess is nothing since it probably takes the actual act of closing the lid to trigger the hibernation.

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You also don't mention which version of Windows you are running. It may matter. –  KCotreau Jun 10 '11 at 3:00
    
i've edited the question with that info –  Pacerier Jun 10 '11 at 5:15

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