Sudden power cut out when battery is not fully depleted?

My MacBook Pro is misbehaving - when running on battery it will spontaneously cut out as if someone has yanked the battery out - no warning. Its doing this seemingly unrelated to how much power is left, and gives no warning messages at all. Any ideas?

Your battery may need calibration. (The battery may be empty before it is recognized as being empty.) Try this:
http://support.apple.com/kb/HT1490

Similar Messages

Sudden Power Cut Out on iMac G5

Hello team,
My iMac G5 (1st gen, 20") just did something odd -- while I was checking my e-mail, its power just cut out suddenly and the machine went dark. I was able to restart it just fine, but obviously something's amiss here. I checked to make sure the power strip I've got it plugged into wasn't loose (it wasn't) and that all the other connections were fine (they were), and now I'm turning to you for suggestions/ideas. This has happened once before a while back, but I didn't worry about it at first because that was the only time. However, now that it's done the exact same thing again, I figure it's time to do a bit of investigating. Might this be a symptom of the power issues that some first generation iMac G5s have experienced? Or perhaps something else? Thanks very much in advance for your input on this!
Electronically yours,
Erik
20" iMac G5 Mac OS X (10.3.8)

Yep, just one of the tricks the first generation iMac G5s like to pull. Mine did same thing before I finally had it replaced a year , and 5 major repairs after I got it. What was failing on mine when it turned itself off randomly was the Motherboard having been fried from extreme heat. ( So Applecare folks told me.)
The main prob with both the Rev A and B iMac G5s was and is that they generate more heat than they can dissapate. Its been corrected on Rev C and Intel iMacs since they COMPLETELY redid the internal placement of everything on them and even added a much needed vent right behind where the hard drive sits(Behind the arm) and next to where the fans can draw in more cool air from outside the machine. Anyway, what youre experiencing unfortuneatly isnt isolated for most of us ex or current Rev A iMac G5 owners. Very common and if youre able to , get out from under the computer if you can. They are highly flawed imo.The fact that they redid it so much tells me anyway that it was flawed. The Rev Cs are perfect and everything the A and Bs were not. Cool running, stable, quiet, and add all the extras like HD space, Vram, extra and faster ram, and the iSight, for me, made all the agrivated trips to the Apple store worth it. Even though it was and is over 50 miles from my home.
Good luck, let us know what you find out is happening. And seriously, do yourself a favour, if you can have it replaced.

When battery being calibrated fully depletes, can I swap out for another?

My question is about calibrating a battery, based on Apple's instructions (http://support.apple.com/kb/HT1490).
I have two batteries for this computer.
When I'm calibrating one of them, and get to steps 4 and 5, and the computer has shut down, does the battery being calibrated need to remain in the computer, thus rendering the computer effectively out of service for the five hour duration? Or can I take it out, and either use the computer from AC power or another battery?

It's best to leave it in during forced sleep yes. The idea is to drain the battery as low as possible - after the MBP is goes into forced sleep, it's still pulling charge from the battery to power the RAM. After a while in that state, though, the MBP often powers off completely. If that occurs before the end of the 5 hour hold period, it's fine to pull the battery and use the other, then shut the MBP off, put in the discharged battery, and connect to AC before charging to full/

TS3899 Since I updated to iOS 8.0.2 my iPad has not been working properly. It freezes in the middle of things. It cuts out when I'm browsing. It's slow when I. Typing and more how do I sort it

Since I updated to iOS 8.0.2 my iPad has not been working properly. It freezes in the middle of things. It cuts out when I'm browsing. It's slow when I. Typing and more how do I sort it

Hello Jm23ur,
After reading your post, it sounds like you are experiencing performance issues with your device. You may want to consider restarting the device first, and then resetting if that does not work. This article provides detailed instructions for Restarting, and Reseting:
Turn your iOS device off and on (restart) and reset
How to restart
Press and hold the Sleep/Wake button on the top of your device until the red slider appears. Then drag the slider to turn your device completely off.
After the device turns off, press and hold the Sleep/Wake button again until you see the Apple logo.
How to reset
You should reset your device as a last resort and only if you can't restart it.
To reset, press and hold both the Sleep/Wake and Home buttons for at least 10 seconds, until you see the Apple logo.
Thank you for contributing to Apple Support Communities,
BobbyD

I keep notes on about 300 topics on iPad Notes. Occasionally, when I go into an existing note to add details, the note cuts out when I begin to add text. This is now happening every day. How do I fix this?

I keep notes on about 300 topics on iPad Notes. Occasionally, when I go into an existing note to add details, the note cuts out when I begin to add text. This is now happening every day. How do I fix this?

Try this - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.)
 Cheers, Tom

Iphone 5 keeps cutting out when still got charge init

CCan somebody help me my iPhone 5 keeps cutting out when still got charge left in it it is two years old also lose signal a lot help please

Depending on the age of the phone and its usage, this could be battery issue and your battery might have to be replaced. If the phone is still charging with your fathers USB cable, make sure it is charged for at least 15min, then try to connect in recovery mode, explained here:
iOS: Unable to update or restore
If this does not work, you'll have to get it checked out by visiting an Apple Store or Authorized Apple Service Provider next to your place or by contacting Apple directly: Apple - Support - Service Answer Center

[Other 865 Series] 865GM2-LS - power cuts out immediately after turning on.

I wonder if anyone could help me, as I am a bit out of ideas. I've done a search on this forum, and though there are a few people similar problems, there does not seem to be an answer.
I have basically tried to build a PC from scratch for the first time (the specs are below) I'm pretty sure it is all connected up correctly, yet when I turn it on, the lights come on and the fan turns for a fraction of a second and then the power cuts out.
If I then attempt to turn it on again I get no power at all. If I disconnect/reconnect the power supply from the motherboard and try again I get the lights and fan again for a split second.
I have checked and double check the connections, reset the CMOS by moving the jumper as in the manual, and I am pretty much out of ideas. These are completely new components, no s/w on the HD at all etc. I've checked the pins for the ATX 20-Pin and ATX 12V and they seem OK. One thing I can think of is there is a power connecter next to the one for the CPU fan for the system fan. I do not have this connected to anything as the fan that comes with the case connects directly to the PSU. Do I need a system fan as well or is this an either or thing?
Motherboard:
P4 HT+ FSB800+M.ATX +Graphics+DualDDR400+LAN+S.ATA
MSI P/N:865GM2-LS
Processor:
Pentium 4 3.2GHz 478P 800MHz 0.09u 1Mb Cache
(Part No:BX80546PG3200E)
Memory:
Aries 1GB PC3200 DDR 400MHz DIMM Memory
(Part No: 1GBPC3200DDR)
Hard Drive:
DiamondMax 200GB 7200RPM 8MB Cache IDE HDD Maxtor
(Part No:6L200P0 )
Floppy:
Sony Internal FDD
No optical drives installed yet.
Case:
Midi Tower ATX PC Case & 350W PSU (Clear Side)
Aries P/N:ATX-9980
Include PSU (specs below)
MODEL: ATX-400
Max Output = 400W
Input
115VAC
10A Max
60Hz
230VAC
5A Max
50Hz
Output
+12V 18A max
+5V 40A max
+3.3V 28A max
-5V 0.5A max
-12V 0.5A max
+12V 18A max
+5V/SB 2.0A max

Quote from: blazing storm on 25-June-05, 18:26:54
My fault, wasn't thinking. I meant to type "try running the motherboard outside of the case".
You need to try a better PSU than your current one so the one from your old computer may be no good. Post its +3.3V +5V +12V rail amp values please.
Also try disconnecting all but the essential hardware need to run so unplug hard drive, floppy etc. The problem looks like the power supply to me so buy or borrow a decent one with 20-24A minimum on the +12V rail. If you need help finding a power supply just ask.
That would be very much appreciated, I've had a look around the usual web suppliers and they don't seem to want to provide that kind of information for their PSUs.
The old PSU doesn't seem to have the info printed on it, but it is quite old, so I suppose it's unlikely it's going to be much better than the new one.
Will try running it outside from the case. I take it this is in case the thing I have mounted it to is shorting it? If this is the case, is there a trick to ensuring against this?
Quote from: Blazer on 25-June-05, 10:56:22
make sure no OC settings are used and set DDR voltage to 2.60-2.70 to get sys stable and work down as needed.
How do I do this? Pretty sure I have no OC settings as I have left all jumpers alone apart from the CMOS one. How would I set the DDR voltage?

Blackberry cuts out when charging?

i have only just had a new blackberry replacement phone sent to me and was working fine until it started cutting out when i plugged it in to charge, it would reboot after and carried on. Now it has cut out and will not reboot at all! i cant get it off the rebooting screen and the bar is now loading.
What should i do? I dont want to have to get yet another replacement
Solved!
Go to Solution.

I'd suggest that you leave it ON the charger and remove the battery about five minutes, replace and let it reboot.
If it does not, please post back here.
1. If any post helps you please click the below the post(s) that helped you.
2. Please resolve your thread by marking the post "Solution?" which solved it for you!
3. Install free BlackBerry Protect today for backups of contacts and data.
4. Guide to Unlocking your BlackBerry & Unlock Codes
Join our BBM Channels (Beta)
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PIN: C0001B7B4 Display/Scan Bar Code
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Why is my Apple TV cutting out when watching TV and Films?

Hi there, will try to provide as much info as possible but let me know if more is needed.
I have purchased the newest Apple TV (March 2012) recently, and have noticed that it cuts out when I'm watching films and TV shows, but never when I listen to music or the radio. My friends have also noticed they cannot play youtube videos off their iPads onto the apple TV. When it cuts out, it does not say "cannot connect to iTunes" or anything similar to that, it just returns to the home screen and then we can select the computer and TV programme and resume playing as normal. This happens every 5-10 minutes during a show/film though and does get incredibly annoying.
Originally I felt it would be a network problem. We have BT Infinity and the Home Hub 3.0, and I am aware that lots of people have issues with this. However this problem doesn't happen on any other device, nor when playing music. It is specifically when watch movies and TV shows. I have actually swapped the home hub device for a Netgear Cable Router back and forth trying to see if it ever made a difference, and the same problem is still happening therefore I do believe it to be a problem with the Apple TV.
I have checked the troubleshooting advice for the Apple TV and followed that and nothing seems to have helped (unplugging various bits, making sure i'm on the right channels etc.).
In short I have literally no idea what could have happened and what to do about this, and before I actually rang apple I wanted to know if anybody new anything about problems like this and how they can be resolved.
Many thanks.
PS it is also worth noting that on our homeshare, we can no longer access one of our friends iTunes, despite it being visible it never loads and is invisible to the Apple TV. This also baffles us and we are not sure if it is related!!
Can;t think of any other details but let me know!

I have three Apple TVs at home (one 2nd Gen and two 3rd Gen). I have not had this issue. Worst thing that happens is it will not load my content from iTunes after waking it up, so I reboot the Apple TV and that fixes this.
My Dad has a 2nd Gen and it has started cutting out or dropping during playback of movies from iTunes and Netflix. I tried restoring it over WiFi and also directly from his iMac running Lion and the version of iTunes previous to the latest that changed the iTunes layout (Not sure of the version), but it would fail saying the download was corrupt. I even downloaded the .ipsw file and tried manually restoring that way, but it failed as well. I purchased the USB cable for Apple TV to do this.
I just took it home tonight and tried restoring on my iMac running Mountain Lion and the latest version of iTunes and it worked. I will bring it back to my Dad's and test it there. I will post the results.
Maybe try this and see if it works. I noticed that doing it through iTunes that it said it restored the latest version of OS for Apple TV and also the Firmware.
None of the Apple TVs mentioned have been Jailbroken, so not sure if this would be causing issues for anyone else. Just trying to rule out anything I can think of.
I didn't get a chance to try this next step, since restoring from my iMac worked, but this was going to be my next step:
<Link Edited By Host>

The sound on my iPhone 4S cuts out when playing music/podcasts.

The sound on my iPhone 4S cuts out when playing music/podcasts. If I unplug and replug in the headphones, the sound comes back on, but often for only 20 seconds or so before cutting out again. Sometimes it will play for 15-20minutes before cutting out. The track is not "paused", and appears to continue, just no sound. I tried cleaning the headphone jack with compressed air to no avail. I also noticed the the same phenomenon occurs when I sync my bluetooth to my car audio. That is, it will play for a while, then the sound will cut out, even though the track is still shown to be playing. If I reset the bluetooth, the sound comes back on.
This started happening about a week ago, but no "event" that I can think of caused it. I didnt' get the phone wet, forcefully drop it, or leave it in extreme heat. I've tried doing a reset of the phone. I also was running iOS5 when I first noticed this, and since upgraded to iOS6. The problem appeared with both.
Any help would be greatly appreciated.
Thanks,
Steve

One thing that helped was getting a toothbrush and scrubbing the dock connector on the phone. I scrubbed the connector and used compressed air for about 1/2 hour till the connector looked much cleaner. An Apple employee told me that the pins on the phone had a little corrosion and sand. The problem hasn't gone away completely, but has been significantly reduced. I'm going to hold out until my contract expires after which time I'll switch to an iPhone5 (or newer) or Android phone.

Streaming music cuts out when downloading

I have an old Airport Express (802.11g). When streaming music from my MacBook Pro, the music cuts out when I start my downloads (usually when the download speed reaches 0.5mb/s or above on Bittorrent/Unison). Two questions:
1) Is this a bug or just due to the limitation of the device?
2) I am planning on purchasing the new Apple TV to stream videos from my MacBook to my TV. Would my current Airport Express handle this (i.e. downloading and streaming videos to Apple TV) or do I need to upgrade my Airport Express to the latest 802.11n?
Thanks in advance.
-A

Most probably Premiere Elements is causing the rotation you are experiencing
That is because the recent versions of Premiere Elements do not recognize the rotation indicator set in a photo file. However the Photoshop Elements Organizer does recognize a photo orientation indicator set within the photo file when displaying thumbnails and displaying the photo file.
At this point for this slide show,
it might be simplest to initiate an edit in Photoshop Elements of each of the portrait orinetation photo files that are in this slide show -- so that the pixels within the photo file itself can be rotated and saved as a new photo file. .
In the future,
-- it would probably be simpler to multiple select thumbnails in the Organizer and rotate those photo thumbnails (once 90 degrees and then a second time back in the opposite direction 90 degrees).
-- most cameras that set rotation indicators in a photo file also have an option not to set that indicator which then usually results in portrait orientation photos displaying sideways in the Elements Organizer until you rotate them yourself. (to me this is a second choice approach but it is a possibility)

Factime cuts out when connected

HI,
I received previous information to resolve Facetime cutting out when connected. I was advised to update to Facetime 1.05. I have continously been trying to purchase 1.05 but Apple store say it is already installed on my cpmputer. It is not, I have 1.0.3.
How do I overcome this problem.
My best regards
John

Try re-indexing Spotlight. The App Store uses it to determine what is on your computer.
Spotlight – Re-index
To the best of my knowledge, there was no FaceTime 1.0.3. It went from 1.0.2 to 1.0.4.

How can I fix the sound cutting out when I use the dashboard?

When I use the dashboard feature to look at the calendar etc. the sound on my computer cuts out. It is not on mute, it shows as high volume but when I use the volume buttons to turn it up, they make no noise and if I am trying to listen to music, no noise comes out the computer. I have to restart the computer ever time this happens before the sound comes back.
Any ideas what the problem might be??

I convert old vynal records to c d but i have problem with the sound setting

Re: Creative Gigaworks T3 Power Cutting Out AS WELL!!!!!

This is a response to the same fault on the gigaworks T3 as mentioned in this post here : http://forums.creative.com/t5/Speaker-Systems/Creative-Gigaworks-5--G550W-Power-Cutting-Out/td-p/430593?
hi! I am from New Zealand. I?just purchased?a set of Creative Gigaworks T3 for just DAY(the first day)! and I am encounter the same kind of problem mentioned in this post/topic . it Shuts off by itself or (power cutting out) . most probably would be the overheating cut off problem as well , all symptoms are the same as described this this post!
I cannot believe this is happening to the whole line of Gigaworks subwoofered speaker systems. I also have the Gigaworks T40 SII and are working mint. but seems like the subwoofered ones are the ones with this overheating cut off problem!!!!!
Man I trusted Creative for its quality of its products as I have always been Ultra impressed for the Creative Cambridge FPS2000 which I had own for the last 10 years until the remote switch became faulty 2 years ago (volume fluctuates), but thats acceptable for so many years of use!! they were the best ones and love them!?
BUT? I dunno about these current line of Gigaworks systems. they all seem to be faulty with this problem
do you think I should get a replacement or just get a refund IF I CAN.
a replacement might do the same thing?
cheers !!
ken

here is an update of what happened to my faulty Creative Gigaworks T3 system.
I returned it the next day the shop opened back from new years which is the Jan 4th, 2010 . I told them about the problem I was having and also printed out the dicussion from this forum on the Gigaworks G550W http://forums.creative.com/t5/Speaker-Systems/Creative-Gigaworks-5--G550W-Power-Cutting-Out/td-p/430593 . which I told them was the very same problems as discussed here and seems to be like a common fault or design problem of the gigaworks (subwoofered) series from creative!!
I was treated in a very bad and unhelpful manner from the store. and straight up. there is no refund!. and they seem to think I was lying about all this and making it up trying to get a refund ?!!
wtf I came all the way back (50km retrurn) waste my valueable time waste gas to muck about na I don't think so!? but to them I was a lier which had nothing better to do. " they say , you say its faulty, but We don't know" and they said , if the supplier say can refund then we will definitly refund... or even we test it out have problem, the supplier will have to test it again to confirm if there is a problem then to see if they will repair or replace. of course I wanted a refund as this a design problem and will happen again shortly!!! I had no choice but to leave it there , so I left it there on the 4th. anyway I was treated the worse I've ever been treated for any purchase at a store
week later. TODAY the 12th Jan. I received a txt message saying " this is xp computer warehouse, just 2 let u know ur creative speakers has been returned from the distributor as no fault to be found, n its ready 4 pick up "
of course there was no fault if it was tested for 5 minutes!!!!!!!!!!!! its the overheating problem after being used for over 2 hours or so. but I'm sure they know about this hard,. how can they not know if its happening all the time. they just can't be bothered, they would of just said "ah f--- it!!"
So i'm going back on sunday 24th Jan to get a refund as they have failed to meet the Repair/Replace or refund policy, if nothing works out then the last thing (which I really do not wish to do) it to Disputes Tribunal at the courts , a bloody hassle and a waste of f----- time! seriously. if creative would just sort it out or even open and fix it I'd be a really happy customer!
but for things that are going now , its definitly not right!
think about it before buying your Creative Gigaworks T3, just sharing my personal experience here , and it ain't good!
I'll keep you updated on sundays results.
what a pain

Airplay cuts out when I play music from iTunes thru my reciever which is hooked up with cat 5 to my router radio works fine could the distance be to far from iPod to router

Airplay cuts out when I play music from iTunes thru my reciever which is hooked up to a router with cat5 radio works fine could my device ( ipad iPod) be to far from router

zduffields wrote:
One weird thing: the drive never mounts on the desktop, the only way I can see it is to click on the TC in 'shared devices' in finder sidebar.
That's normal. A network drive won't mount by itself. You may want to add the drive to your login items and/or the login items of your boy's account.
He came over to update his iPod tonight. Now the library is inaccessible. It says that his account is not authorized for the folder.
Is that a USB drive? How have you defined access to that drive in AirPort Utility? If you set it to "Secure Shared Disks" "With accounts", you'll have to add his account.

Sudden power cut out when battery is not fully depleted?

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