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MacBook won't hibernate (deep sleep)

I've noticed that recently when my MacBook completely runs out of battery, it just shuts off. I also tried to go into deep sleep by running the dashboard widget DeepSleep, but that doesn't work correctly; it just turns off the screen but keeps running. It used to go into the deep sleep mode just fine both by running out of battery and by the dashboard widget. What can I do?

Macbook 2.16 GHz Core 2 Duo, Mac OS X (10.6.4)

Posted on Sep 30, 2010 12:14 PM

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Question marked as Top-ranking reply

Posted on Oct 1, 2010 9:51 AM

I'd like to second this issue. This is with the latest model MacBook (7,1) 2.4 Ghz Core 2 Duo.

On all of our older MacBooks, when you get to a low battery, it will give you a warning. If you run the battery completely down, you can still plug it in and it will awaken as normal. If you STILL don't plug it in, it will awake from "hibernate" mode - a gray screen with a progress bar on the bottom. I've had a MacBook awake like this after being drained for months. This is due to the computer saving the current state onto the hard drive.

Unfortunately, our new MacBook does none of this. This is very disheartening as it's clearly not the correct behavior.

Running pmset -g yields the following:

Active Profiles:
Battery Power -1*
AC Power -1
Currently in use:
hibernatemode 3
halfdim 1
acwake 0
lidwake 1
sleep 10
disksleep 10
sms 1
hibernatefile /var/vm/sleepimage
ttyskeepawake 1
displaysleep 5

Has anybody found a fix to this issue, or do I have a bad laptop?
5 replies
Question marked as Top-ranking reply

Oct 1, 2010 9:51 AM in response to kingtom

I'd like to second this issue. This is with the latest model MacBook (7,1) 2.4 Ghz Core 2 Duo.

On all of our older MacBooks, when you get to a low battery, it will give you a warning. If you run the battery completely down, you can still plug it in and it will awaken as normal. If you STILL don't plug it in, it will awake from "hibernate" mode - a gray screen with a progress bar on the bottom. I've had a MacBook awake like this after being drained for months. This is due to the computer saving the current state onto the hard drive.

Unfortunately, our new MacBook does none of this. This is very disheartening as it's clearly not the correct behavior.

Running pmset -g yields the following:

Active Profiles:
Battery Power -1*
AC Power -1
Currently in use:
hibernatemode 3
halfdim 1
acwake 0
lidwake 1
sleep 10
disksleep 10
sms 1
hibernatefile /var/vm/sleepimage
ttyskeepawake 1
displaysleep 5

Has anybody found a fix to this issue, or do I have a bad laptop?

Oct 12, 2010 2:55 AM in response to macman424

My MacBook (2,1) 2.0 Ghz Core 2 Duo started behaving exactly the same since some weeks ago.

I strongly suspect the last system update to be the culprit.

Running pmset -g:

Active Profiles:
Battery Power -1*
AC Power -1
Currently in use:
hibernatemode 3
halfdim 1
acwake 0
lidwake 1
sleep 10
disksleep 10
sms 1
hibernatefile /var/vm/sleepimage
ttyskeepawake 1
displaysleep 10

The sleepimage file in /var/vm/ seems to be correctly created:

-rw------T 1 wheel 2147483648 12 Ott 09:37 sleepimage

Oct 21, 2010 9:18 PM in response to kingtom

I had this same problem and have done a lot of those things i tried switching everything everyone else said to do and nothing worked. for some reason when using my laptop at school i didn't have the problem so i stated thinking what could be different. One day at home i tried switching the wireless off and then closing the lid. it worked. i don't know why but it did.

**My solution:**
1. open the laptop like normal
2. once open shut wireless off
3. wait 5 seconds
4. close lid
5. it will take like 5 seconds for it to actually fall asleep and i recommend waiting to make sure the light dims out
6. when you reopen the macbook's lid turn the wireless back on.
if it doesn't work the first time try quiting some of the applications that take up more disk space (i.e pages, mail, final cut/adobe, word, firefox)

Hope this works for you please reply back if it does/ doesn't because i might have a new answer.

Oct 21, 2010 9:27 PM in response to stackattack246

I don't think that's the same problem... my issue isn't that it's not falling asleep when you close the lid. I've heard of your issue before, it's something to do with a wireless connection keeping it from sleeping. My issue is when you run out of battery, it's supposed to save the memory to the hard drive so you can resume just before it completely runs out of battery. This can also be done by using a widget. My computer won't do that anymore though.

MacBook won't hibernate (deep sleep)

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