Macbook shuts down rather than sleeps on battery drain

If I allow the macbook to go to sleep from the battery being drained, it completely shuts off and fully restarts when plugged in (it's non-responsive, and I have to press the power button to turn it on). This doesn't matter if I plug it in immediately after battery is drained or any amount of time longer. Any ideas?
I've used several other macs that come back from power failure sleep just fine... could mine be faulty?
Thanks for any help!

Thanks for the response! I actually tried resetting the PRAM and it seems to be working okay now, but I've only let it go to sleep from power failure once.

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MacBook shuts down instead of sleeping when battery low

Like many people, I had the infamous MacBook sudden shutdown problem where my MacBook (original model) would suddenly shut down wihtout warning regardless of if it was running off battery or AC adapter. I took the MacBook into the Apple store, they did their magic, and two weeks later an updated MacBook was shipped to me, free of the problem. I also applied the firmware update when it came out.
Now I have a new problem...it's that the MacBook doesn't seem to want to sleep when the battery gets low. Instead, it will suddenly shut down without warning. In the past, I seem to recall that it would give alerts saying that my power was low, and eventually force itself to sleep. However, now the battery can be as high as 15-20% and the MacBook will shut down. This never happens when the battery is not on the low side, so I'm wondering if this is a problem with the MacBook guaging how much power it has left. Sometimes, I notice that when I plug it in and reboot, the battery says it is at 0%, even though it clearly was not prior to the shutdown (though that didn't happen just now when it shut down - when I rebooted after connecting the AC adapter, it was at 15%).
I tried resettting the SMC firmware, which seems to help transietly, but the problem recurs. 90% of the time I use my computer plugged in, so that's why I've not noticed it much

The same thing happened to me last night -- the Macbook shut down because of low battery instead of sleeping, and it gave no warning messages at all as the battery power got low.
I never had the sudden shutdown problems, though.
I also checked the battery capacity with CoconutBattery, and it reported that the Max Battery Capacity was 4105 mAh, which is only 78% of the battery's original max capacity. Today, CoconutBattery reports that the battery's max capacity is 5035 mAh (96% of original capacity), which is more reasonable for a laptop less than a year old.
Perhaps resetting PRAM or the Power Management Unit could solve this problem.
Any experts out there with a solution?
MacBook Mac OS X (10.4.8)

G5 shutting down rather than sleeping

Hi,
In the past few days my iMac G5 (approx. three years old) has been shutting itself down rather than going into sleep mode. I know it is not an issue of sleeping and not reviving because the power pulse light is not on. No problems in normal operation (i.e. does not shut down suddenly or unexpectedly during use).
I haven't done anything out of the ordinary or added any software recently. I did have to unplug the computer rather than shutting down properly over the weekend when it froze and wouldn't respond to command/option/escape while I was finishing a backup of iTunes (manual backup, last disc out of 13).
We normally let the computer sleep rather than shut it down--I downloaded & ran iJanitor last night on the rec of some other past discussions on similar topics but to no avail.
Thanks for any help.

I am having the exact same issue that BSeque described initially. For me, the shutdown only happens after I send the iMac to sleep - for example, it will shut itself off overnight. It never occurs if I am actively using any applications.
It also seems to be taking a long time when "finding local drives" on startup which it never did previously (about two minutes of just that message on the screen during startup). My wife has reported a loud noise upon startup on several recent occasions, and I have also had to pull and replace the power cord several times recently when the normal power up procedure wouldnt work.
I am also in the number range for the repair extension, but am interested in knowing if there are any steps to take before I bring it to the Apple Store.
After reading a suggestion on another post, I pulled some of the system logs. Here is a sample sequence for one of the time periods when shutdown occurred involuntarily:
Sep 14 20:44:17 localhost pppd[261]: Connection terminated.
Sep 14 20:44:17 localhost pppd[261]: Connect time 184.3 minutes.
Sep 14 20:44:17 localhost pppd[261]: Sent 821251 bytes, received 5081427 bytes.
Sep 14 20:44:17 localhost pppd[261]: PPPoE disconnecting...
Sep 14 20:44:17 localhost pppd[261]: PPPoE disconnected
Sep 14 20:47:55 localhost pppd[261]: Terminating on signal 15.
Sep 14 20:47:55 localhost pppd[261]: Exit.
Sep 14 20:47:56 localhost mDNSResponder[146]: mDNSResponder Sleeping at 11439805
Sep 14 20:47:56 localhost configd[86]: executing /System/Library/SystemConfiguration/Kicker.bundle/Contents/Resources/set-hostna me
Sep 14 21:47:32 localhost syslogd: restart
Sep 14 21:47:32 localhost syslogd: kernel boot file is /mach_kernel
Thanks.

My computer shuts down instead of sleeps when battery drains...

Hi there!
So, I just got a new MacBook Pro (the better 15" one) in June. I've noticed, however, that when my battery drains, and the little warning comes up that says "your computer will go to sleep in a few minutes to preserve data," if I let it run all the way out, it doesn't go to sleep but just shuts down. When I reopen my computer after plugging it in, all my stuff is back, but I do have to press the power button and start it up again.
My old computer (White MacBook 2006) always actually went to sleep, and only if I let it sleep for a long time did it shut off.
Have they changed the behavior? Do the laptops only shut down, and no longer sleep when the battery is gone? Or is something wrong with my computer. I'm getting all my data back, and all the windows and stuff are still open, so that's not a problem for me, but if my computer is working incorrectly only three months after buying it, then I'd like to know...
Thanks! Let me know what further information you need to help!

Your computer is not shutting down — it's hibernating, also called "safe sleep". This is indicated by the fact that everything you were working on is undisturbed when you wake it by pressing the power button.
The contents of RAM are written to the hard drive before the machine enters safe sleep, so that if the battery drains completely before you wake it, the contents of RAM (including your unsaved work) won't be completely lost. This is different from ordinary sleep, in which the machine simply suspends all activity without writing anything to disk. If the machine went into ordinary sleep after giving you a low-battery warning and not getting any cooperation from you (i.e. you didn't heed the warning and plug in AC power), and then you didn't wake it for twelve or fifteen hours, the battery might have gone completely dead and your unsaved work would be lost.
In short, yes, this is new behavior compared to several years ago, and from what you tell us, your machine is working exactly as it's supposed to.

MacBook Shuts Down After Unplugging Powercord Although Battery is Installed

Hi,
Whenever I disconnect the power cord of my MacBook, the OS shuts down within 2-5 seconds. The battery is installed and it has a 80% health and it has 185 charge cycles. I've been experiencing this strange behavior after two days of installing (Secrets Preference Pane). But I'm not sure if it was behind the problem. I even uninstalled Secrets preference pane but the problem still exist.
At first I though the battery is dead, but for some reason I tried running the laptop later on the battery power and it ran for whole 2+ hours until it was fully discharged. I then charged the battery fully and used it again and it was working like a charm. But later the problem returned and the MacBook shuts down whenever it is not connected to the power cord. If the battery was dead, then how come it runs without a problem sometimes? also the health indicator shows that the battery is 80% healthy and the charging cycles is not much and whenever the system shuts down, the indicator on the bottom of the battery shows that it is fully charged.
I don't know what is causing the problem, and why sometimes the problem arises and sometimes it goes away.
I am using a 2007 white MacBook with the original battery (provided with the laptop). I am running Mac OS 10.6.2.
I tried several solutions such as:
- Cleaning the battery and MacBook ports.
- Resetting the PRAM.
- Fully discharging the battery and then fully charging it.
But it seems that I am not able to resolve the problem. I would appreciate any provided help.
Thanks,
shaknon
Note: Here are two pictures that shows stats about the battery:
1- http://jump.fm/SAOBW
2- http://jump.fm/JBHYI

I am having identical issues as you described - although I haven't installed secrets preference pane (so I doubt that's involved).
My problem went on for hours one night, I got sick of dealing with it and went to sleep with AC adapter unplugged and macbook off. The next day, it worked fine all day long. Now here I am in the evening - had a power cut, AC adapter went off obviously, and MacBook powered off. Again now I have this problem.
I tried everything you've talked about (PRAM reset) as well as SMC reset, no change. My battery stats look great, says battery is healthy. This started happening to me a few days ago, I upgraded to 10.6 a few weeks ago.. not sure what caused this to start happening.
I found one VERY interesting thing, maybe you can check this: when I have the problem, with AC adapter unhooked, when I try to power up my MacBook it comes up for 2-5 seconds (sometimes until the apple tone, sometimes not), and turns off. If I HOLD THE POWER BUTTON for 5+ seconds the MacBook remains on, the white light on the front flashes, and I get a long tone. This procedure is supposed to be used for firmware updates or something. Anyway, when I do this, the computer comes up perfectly and it uses the battery. When I hook an AC adapter up, that works, but as soon as I unplug it I am back to the same problem. You should try this and see if it works for you, it may be a clue. If nothing else, it's a good way to still use your laptop if you are on the go and can't be dead in the water
My wife has a MacBook slightly newer than mine, I'm going to try her battery when possible to see if that solves the problem. I hesitate to go to the genius bar as they are terrible where I live and it's always been a waste of time
(Also, the battery update fails for me as well).

Macbook shuts down instead of sleeps

I have a 2ghz core duo macbook (modle No. A1181 (EMC 2092)) that I recently restored from a time machine backup. It was at 10.5.5 and now its at 10.6.8. So, right now I close the lid of the macbook and immediatly shuts down instead of sleeping. The previous macbook (the one I made the back up from) didn't have this problem and nor did this one before the upgrade. I have already tried resetting the smc and the pram. Anyone have any ideas?

Having never shutdown my laptop, I was guessing on its reaction to closing the lid. So, I shutdown my MBP and closed the lid. It did continue the shutdown, so there seems to be a problem with yours.
Sometimes, sleep and shutdown issues can be solved by resetting the SMC

My Mac Pro shuts down prematurely. Seems the battery drains almost instantaneously, once it hits about 50% or less.

My Mac Book Pro shuts down prematurely, seemingly doing a rapid battery drain when it reaches < 45%. I can only work, while on battery for approximately 15 minutes even when starting out fully charged. Although, a full charge now only reached 95% - 97%. Can't recall if it ever reached 100. Looks like the battery has about 240 cycles on it. I thought at first it was over heating, but now not so sure. Heat may be normal levels. Does this mean it is time for a new battery?

Apple menu > About this Mac > more information
scroll down to Power and click
look for Battery Health Information, Cycle count and condition.
Also
Reset your SMC and NVRAM/PRAM
http://support.apple.com/kb/HT1379
http://support.apple.com/kb/ht3964

MacBook shuts down when I go on battery

I updated to Leopard this morning and my MacBook no longer will work when it is not connected to a power. I'm trying to figure out how to fix this...

This article could help. The SMC (System Management Controller) might be involved in your problem.
http://docs.info.apple.com/article.html?artnum=303319
Good luck!
Felix T

MacBook pro shuts down instead of sleeping while connected to power adapter

Hi there,
I am currently facing a rather strange issue. My old MacBook pro (about 2 years old) shuts down instead of sleeping but only when it is connected to the power adapter. I mean it goes to sleep mode perfectly well when it works only with the battery. Is it a know issue ? I'm running 10.5.6 and this problem is quite new to me (happened the first time some weeks ago).
Thank you in advance for your answer.

You might try resetting the SMC and see if this helps:
http://support.apple.com/kb/HT1411?viewlocale=en_US
Good luck!

After prompted to update 10.9.1, my MacBook Pro updates and went thru restart but failed...I tried to start my book and gray screen, Apple logo both on, chime sounded, then went to progress bar, less than half macbook shuts down...did few times, same!!

After prompted to update 10.9.1, my MacBook Pro updates and went thru restart but failed...I tried to start my book and gray screen, Apple logo both on, chime sounded, then went to progress bar, less than half macbook shuts down...did few times, same!!
Go to system repair, there is a prompt that cannot repair live etc....I don understand!!! Help, I need the book for work tomorrow!!

Thanks clintonfrombirmingham...
After clicking "repair disk" it says DISK UTILITY STOPPED REPAIRING MACINTOSH HD, DISK UTILITY CAN't REPAIR THIS DISK. BACK UO AS MANY OF YOUR FILES AS POSSIBLE, REFORMAT THE DISK, AND RESTORE YOUR BACKED -UP FILES....
written in red: ERROR: DISK UTILITY CAN'T REPAIR THIS DISK,,,DISK, AND RESTORE YOUR BACKED-UP FILES.
how can I back up when I cannot even start my macbook? I am stuck here and have lots of important files in the hd... Please help me? Thanks you!

My MacBook shuts down without warning. Recently installed snow leopard. Battery is fine. Any ideas?

My MacBook shuts down without warning. I recently installed Snow Leopard and increased my RAM/Memory. My battery is fine. When I took it to the Genius Bar and they ran a diagnostic, nothing showed up. It appeared fine and did not shut down during the time I was in the Apple Store. Of course, once I made the two-hour drive home, my computer shut down within two minutes of using it. Any ideas? Do I need a new computer? This one is about 5 years old.

Sounds like a buggerd battery chip. If the MacBook turns off at a certain percent all the time, then your battery's status chip is damaged and is (quite literally) lying to Mac OS X.
If it is actually hitting 0%, then temperature could be an issue or a there may be an issue with the battery itself.
My advice: you may need to get a new MacBook as a new battery for 2006-model MacBook may be hard to come by (and defintiely no warranty support from Apple).

Macbook shuts down unexpectedly when battery reaches 20% and unplugged

I noticed this behavior after installing the Bonjour Update 2010-001 (version 1.0) and the Remote desktop client update (version 3.3.2) last night. Upon reaching 20% of battery capacity, the macbook shuts down, and will not restart until it is plugged in. There is no warning, it just turns off.
Does anyone know what's going on?
Message was edited by: incomethax

Wow! I recently had this same EXACT problem and called Apple Care about it last week and said that they cannot do anything about it since my battery cycle is too high ( only 315) ! MacBook is the same model as yours. I finally brought mine in today at a local genius bar (Otay Ranch) and they replaced the battery even though My Mac's just a little over a month its 1 year warranty. I will now calibrate this battery and see if the same problem persists. When I called about this problem, the Apple Care rep says that he has never seen this problem before but now I just saw this and glad that I wasn't the only one, maybe its a faulty design on the first generation Unibody with removable batteries (Late 2008)

MacBook shuts down at 30-35% battery level: any suggestion please?

My MacBook (13" unibody) shuts down at 30-35% of battery level without any warning. I have the impression that it began to happen after I installed the Snow Leopard upgrade. I got the computer on Dec. 24th 2008. Any suggestions, please?
This is the Battery power information and Hardware Overview on my MacBook:
Battery Information:
Model Information:
Serial Number: 9G84706533NYB
Manufacturer: DP
Device name: bq20z951
Pack Lot Code: 0000
PCB Lot Code: 0000
Firmware Version: 002a
Hardware Revision: 0005
Cell Revision: 0100
Charge Information:
Charge remaining (mAh): 1494
Fully charged: No
Charging: Yes
Full charge capacity (mAh): 2697
Health Information:
Cycle count: 262
Condition: Check Battery
Battery Installed: Yes
Amperage (mA): 511
Voltage (mV): 12239
Hardware Overview:
Model Name: MacBook
Model Identifier: MacBook5,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2 GHz

Hi azuzeno, welcome to the forums and happy holidays,
About Batteries. http://www.apple.com/batteries/
From //www.apple.com/batteries/notebooks.html
"Battery Lifespan For Apple notebooks with removable batteries — such as previous generation MacBook and MacBook Pro computers — a properly maintained battery is designed to retain up to 80% of its original capacity at 300 full charge and discharge cycles. You may choose to replace your battery when it no longer holds sufficient charge to meet your needs.
Your battery info state "Cycle count: 262" So your pretty close to the 300 cycle limit. Just like an older car, old batteries can behave erratically. It's time to buy a new battery.
You could also book an appointment for the Genius Bar. http://www.apple.com/retail/geniusbar/ They may be able to save you a few dollars.

MacBook shuts down on 60% battery percentage.

My MacBook shuts down on random percentages when used on battery power. I can only use it for FIVE minutes before it shuts down. And as I said, it shuts down before the battery runs down to 0%.

Go to the Apple in the upper left corner and select About This Mac, then click on More Info, then select Power from the left hand column of the System Profiler. Copy and paste the Battery Information back here.

MBP unib. 17" shut down instead of sleeping (also when plugging magsafe)

Hi All!
I've this problem.
When i get the system message that the battery is running out and i wait for it to discharge sometimes the MPB just shut down without apparently sleep, but when i turn it on the screen shows it went in hibernation.
Other times it goes and still in safe sleep but when i plug the magsafe it shut down immediately and i have to reboot it from hibernation every time.
Is there any way to fix this myself or i have to send it to support?
ty
jw

eww wrote:
Calibrate your battery and see whether that makes a difference:
http://support.apple.com/kb/HT1490
I tried but apparently nothing happened.
the calibration steps are:
_Plug in the power adapter and fully charge your PowerBook's battery until the light ring or LED on the power adapter plug changes to green and the onscreen meter in the menu bar indicates that the battery is fully charged._
_Allow the battery to rest in the fully charged state for at least two hours. You may use your computer during this time as long as the adapter is plugged in._
_Disconnect the power adapter while the computer still on and start running the computer off battery power. You may use your computer during this time. When your battery gets low, the low battery warning dialog appears on the screen._
_At this point, save your work. Continue to use your computer; when the battery gets very low, the computer will automatically go to sleep._
*At this point my macbook saves ram on disk for hibernation and shuts down itself imediatly after. Or in best cases it stays in a "can't wake" sleep for an hour or two and if i plug magsafe while in this state it shuts down...*
*Anyway i also did the last 2 steps:*
_Turn off the computer or allow it to sleep for five hours or more._
_Connect the power adapter and leave it connected until the battery is fully charged again._
And again, when i leave the mac on battery power after the warning dialog the insane behavior occurs every time.
Can't figure out why my battery seems not to handle the 5 hour forced sleep it should.

Macbook shuts down rather than sleeps on battery drain

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