Hardware :: Macbook Suddenly Shuts Off And Doesn't Power On Again
Mar 2, 2008
I've had my macbook for about 15 months. i noticed a while ago it had trouble turning off completely when running only on the battery. then a few weeks ago it shut itself off and wouldn't start up again. the power cord indicator was orange, but nothing worked. ordered a new battery, that didn't help. tried a different power cord - nada. i took it in to an apple repair shop and they said something about the internal power connector (i'm not a techy) and took 2 weeks to repair. i've had it back 3 weeks now and the same thing has happened. only this time there is no indicator light on any of the power adapters. and my partially charged batteries do not work on their own either.
any ideas? i don't want to keep fixing the same thing and every few weeks it keeps breaking again. i mean, what's the point in having the computer then, right??
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Mar 19, 2010
This started about 2 days ago, there was no apparent signs of such a thing going to happen.
My MacBook suddenly shuts down in the middle of my work. Shut down as in a sudden shut down, as if the battery was removed. There is no shutdown process, the whole screen just goes black. I've realized that this happens more recently when watching youtube videos, playing flash games etc.
Example : Computer dies in 10 minutes when watching videos/playing games. Computer dies in a few hours or NEVER when just typing, surfing.
It doesn't seem to be a battery problem. I've removed the battery and had my Macbook run on the Charger before, and it still died on me...
Battery Information:
Battery Installed:Yes
First low level warning:No
Full Charge Capacity (mAh):4390
Remaining Capacity (mAh):2128
Amperage (mA):-1720
Voltage (mV):11081
Cycle Count:495
Mac OSX 10.4.11
1.83 GHz Intel Core 2 Duo
1.25GB 667 MHz DDR2 SDRAM
I run bootcamp, same problem on my other operating system
Hardware Overview:
Model Name:MacBook
Model Identifier:MacBook2,1
Processor Name:Intel Core 2 Duo
Processor Speed:1.83 GHz
Number Of Processors:1
Total Number Of Cores:2
L2 Cache (per processor):2 MB
Memory:1.25 GB
Bus Speed:667 MHz
Boot ROM Version:MB21.00A5.B07
SMC Version:1.13f3
Serial Number:4H7110U8WGK
Sudden Motion Sensor:
State:Enabled
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Apr 6, 2012
It just suddenly shuts off and I need to turn it on again
Info:
MacBook Pro, Other OS
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Apr 23, 2012
I have an old g4 , the kind shaped like half a golf ball, which starts up and then quits at different places during the process. Sometimes with the gray screen and Apple logo, sometime later when the OS has fully installed,but fails quite rapidly after that. Then tries to reboot itself with varying degrees of failure.
Info:
mac g4, Mac OS X (10.4.9)
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May 20, 2012
My imac suddenly shuts down while on line. It has to be unpluged for a couple of hours before it will restart. Could it be the battery dying?
Info:
iMac, Mac OS X (10.6.8)
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Mar 1, 2007
I have a Dual 2.0 Powermac G5 that has been shutting down without notice. It first started doing this every couple of days. I'd have to let the computer sit for a few hours before it would run again. Now it does it more and more frequently and stays running ofr less and less time. As of now, it will only stay on for 15 minutes before suddenly shutting down.
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Nov 5, 2007
I was hoping you could get me started in the right direction. My wife has an iBook G4 which lately, while using a full battery, just turns off suddenly. There is no warning and it never does it when it's plugged in. The battery looks like it's almost fully charged - at least that's what the meter in the menu says, so I don't know what's going on.
Could you possibly give me some steps to go through to try and figure this out?
The first step she wants to try is to get a new Intel MacBook, but I'd like to try a couple of other things first!
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May 25, 2009
I received my new iMac on May 20. It is a 3.06 with an ATI card. I have not had much time to use it until this evening. I had been been setting up some bookmarks in Safari and then was working on a spreadsheet for about an hour when it suddenly shut down. The power strip in which it was plugged in still had it's light on. The iMac is the only item plugged into the strip. I then felt around the screen, the bottom section was cool but the top was rather warm.
The temperature in the air conditioned house is 71�F. Programs open at the time were Safari - which was on an idle screen as I had logged out of a site. Two sessions of Finder Entourage Excel - which I was actively using. Is this an over temp shutdown? I recall some people posting the temperature of their Macs. Are there any monitors on the iMac to see how hot it is running? There were no warnings that it was going to shut down.
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Mar 25, 2010
I own the first 'remolded' revision of the Macbook released in '08 (5,1), and have had it for over a year now. Recently though, after 10 or so minutes running off just battery power (fully charged), it shuts down unexpectedly. It doesn't say the battery is low, or near low, it just shuts down. It's really annoying, I have to use the charger wherever I go. I really need my laptop so I don't really want to take it to an Apple Store and have to wait a week to get it fixed, unless it's really necessary. My software is up to date. Any ideas on what my problem is/how to fix it?
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Jun 29, 2014
As soon as I unplug the power of my MacBook Pro, it shuts down, and all of my unsaved stuff is lost.
PS Is the battery user replaceable? I am using the Mid-2010 model.
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Jun 14, 2012
My MacBook Pro 13" Mid-2009 has recently started to shutdown unexpectedly when it starts running on battery power, I don't know if its the battery or the motherboard (I hope it isn't).Â
I tried resetting everything, reinstalled the whole OS, repaired permissions (don't know what for), but I keep getting this. It started about a month ago when I tried to boot up from the battery as power source:
The first try went all the way through the apple showing up with the spinning symbol underneath it, then POOF. Then everytime I tried to boot up again it didn't even show the Apple logo, just 5 or 6 seconds after the chime, POOF AGAIN.
So I connected it to the power adapter and everything went OK, I started working on it, everything was fine until I disconnected it. I kept working on battery and 2 minutes later the computer died again, it sounded like when you keep pressing the power button to force-shutdown, like it's protecting itself from something and it's very frustrating not being able to use your LAPTOP as one.
Oh, one more thing, the battery icon says "Service Battery" and it shows only 1 hour of battery (on 100% charge) the 2 minutes I can work on it before it shuts down.
Info:
MacBook Pro, Mac OS X (10.7.4), Mountain Lion 10.8 DP 4
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Jun 25, 2014
I have a 13-inch Macbook, Late 2008 model, using iOS Mavericks. While on battery power, the laptop will randomly just turn completely off, despite still having plenty of battery power left. I know it's not a calibration issue where the battery is dead but appears to have charge left, since I'm able to turn the computer back on again and continue using it.Â
Battery info:Charge Information: Charge Remaining (mAh): 606 Fully Charged: No Charging: No Full Charge Capacity (mAh): 2609 Health Information: Cycle Count: 157 Condition: Service Battery Battery Installed: Yes Amperage (mA): -1265 Voltage (mV): 10855Â
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Mar 14, 2010
I got my macbook during November of 2009 but two weeks ago it started shutting down by itself once I touch the magsafe of the macbook or remove the magsafe. All it needs is a simple touch and it shuts down. When it does shut down, the light indicator doesn't come on anymore. I have to keep removing the magsafe, and plugging it back in like 20 times until it starts charging again. So now I just let it fully charge every time I use it since any sudden movement will cause it to shut down. I will be making an appointment next week at the apple store because I had no time to go these past 2 weeks. I never dropped it and take good care of it. I am just wondering what might be the cause of this? I hope they do not take weeks to fix the mac since I have a lot of homework to do
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Jun 17, 2012
My mac book pro (current gen) shuts off after closing the screen and won't start up unless I hold the power button for about 10 secs. Â
Info:
MacBook Pro, Mac OS X (10.7.4)
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May 31, 2012
I have macbook air 11 inch. Yesterday, suddenly my built camera doesnt work.
Info:
MacBook Air, Mac OS X (10.7.4)
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Mar 3, 2012
I was charging my macbook. It was charging when I left, upon my return, after about 30 minutes, I found that the light was no longer green. There was no light on at all. I tried restarting multiple times. There are no stuck prongs in my power cord. I tried different outlets. I tested the outlet to verify it worked. My computer will charge fine with other power cords, but just not the one I want it to use? Is there anything else I can try before purchasing a new cord?
Info:
MacBook
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Aug 20, 2014
my Macbook Pro is not powering up, Yesterday I connected a camera that has the USB cable with the little transformer. And the Computer suddenly turn off!  It´s not working at all... I really don´t know what happened..These are some of the characteristics of the problem:Â
1) Not even the battery Light its on when I press the Power button.
2) Not even the Light in front of the Mac is on when I press the Power button.
3) There is not even a sound of the cooler fan or anything.
4) When I connect a the power cable the first 10 seconds the light of the cable is off... Then it appears a little "Orange intermittent" light but nothing more happens.Â
Info:
MacBook Pro, iOS 7.1
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Mar 20, 2012
MBA suddenly doesn't recognize printer on time capsule network even though MBP still prints to it on network all 10.7.3
Info:
imac, MBP
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Jul 8, 2008
I've noticed recently that my screen brightness will suddenly increase or decrease by itself. When I press one of the control buttons it indicates that it is 3 or 4 steps higher or lower (obviously allowing for the fact that pressing a control button moves you one step anyway!) I have the 1.8 SDD. I love the machine....but anyone have any ideas about this. It only happens under battery power.
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Oct 5, 2007
Starting today my Powermac has shut off suddenly a few times in ~15-20 minute intervals. When I have many applications open simultaneously the computer is especially prone to this.
I have never had this happen before in the 3+ years of using this Powermac, and the only differences I can see are that I've switched to a different ISP (I switched from earthlink DSL to Comcast cable), and I now have 4 computers wired in to my 4 port switch router. After turning on my computer I also noticed that my router requires a reset and the internet doesn't work until I do that.
Information:
Powermac G5 2.5 Ghz Dual Proc.
Mac OS X (10.4.10)
1 GB RAM
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Jan 31, 2012
i am using my monitor from old Leopard computer. It works fine on the Mac mini running Lion. When not in use, instead of using the screen settings it shuts down. I have to click the mouse and sign in.
Info:
AppleTV 2, Mac OS X (10.7.2), Mac mini 2011 iPad 2 iPhone 3Gs
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Nov 21, 2007
I've got a strange issue with my PowerMac dual 1.8GhZ and I can't figure out where it's coming from.Last Saturday I experienced a Kernell Panic while using Safari and the Dictionary (MacOS 10.5.1).Since then, whenever I try to start my computer, it shuts itself down while the grey screen with the Apple logo is on screen. However, this isn't always the case:I can use my computer 'normally' if I press the option key at start-up and manually choose my startup disk.
I can boot from a Panther or Tiger installation disk, but not Leopard.If I try the hardware test the computer shuts itself down in the middle of the test.TechTool works and didn't find any issues with my computer. Nor did Disk Utility.I tried to erase both my internal hard-drives and do a clean install of Tiger, but the problem is still there (I have to press option at startup).I tried to reset the PRAM and Cuda/PMA. Doesn't resolve the issue.When I tick 'Restart automatically after power failure' in Energy Saver my Mac will indeed restart, meaning it thinks there was a power failure.Any idea what it might be? And why it only happens in certain situations?Do you think it's a hardware or a software issue?
Information:
PowerMac G5 dual 1.8GhZ
Mac OS X (10.5.1)
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Jan 29, 2010
Power MAC G5.
Press power, lights up, fans BEGIN to spin then shuts down. Within 1 second.
Tried:
New RAM, new set of Processors, Video, Hard Drive.
Motherboard or Power Supply?
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Jun 21, 2012
We have a Intel MAC
Dual Quad 2.8 ghz
with 16 GB RAM
running OSX.6
When you push the power button it lights up for a second and immediately shuts off. I am thinking a power supply issue
Info:
Mac Pro
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Jul 8, 2009
I told myself not to do it. Don't update the Safari software to 4.0, you know how they always mess up these things. And yet, per accident I did. Of course Safari 4.0 doesn't work. Every time I open it, it shuts down. iChat also doesn't work anymore, and even the Dashboard shuts down every now and then. In addition, the computer feels incredibly slow. I can't download rapidshare links on iGetter anymore and everything just feels wrong. Countless threads have been opened on this matter with a variety of different problems for different people. Yet I have not read a proper solution. I have seen all kinds of technical solutions being offered but I'm not a computer wiz and I do not know the terms they use. I just want to go back to Safari 3.2 or at least the one before the 4.0 But I read that deleting Safari 4 and reinstalling 3.2 won't work because of a certain webkit that got installed with it, making it impossible to go back.
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Dec 16, 2007
I have Western Digital My Book Pro II 2TB hard drive connected through FireWire 800 or 400 cable. The problem is that it shuts itself off unexpectedly all the time. Sometimes right after I turn it on, sometimes after 30 minutes. After turning it back everything seems to be fine, no loss of data. Anyone else experienced the same problem and can suggest how to fix it?
Information:
G5
Mac OS X (10.4.10)
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Apr 30, 2012
tried 2 boot up my G4, nothing, replaced internal battery, no status change, advice? would still like to be able to use it if possible and affordable
Info:
G4 dual os boot, Mac OS X (10.4.11), will also boot up in OS 9.2.2 when
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Sep 6, 2014
My apple user name and password haven't been changed at all for a long time. I have used it to access icloud and the itunes and everything.But suddenly the password doesn't work 'on my mac.'Â However it still works fine when I access icloud.com from my same computer.Â
But when I try to "manage my account" from system preferences (icloud), it doesn't work. And also, when I access the itunes store from my same computer it doesn't work. There are no error messages-- when I type in the password and press return it just reverts to the same page in which the password field is empty.Â
Info:
MacBook Pro (15-inch Mid 2010), OS X Mavericks (10.9.4)
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Jan 11, 2010
My iBook G4 crashed on me one night, and the only way I could turn it on again was to unplug the power cord from my computer, turn it over, remove the battery, put the battery back in, plug the cord back into the computer, hold down the start button, and it would restart. Although, when it restarted, the fan would go on first, and then the computer would make the normal start sound. Some times the finder would be on the screen after I restarted it displaying a quick link icon of the hard drive. So after a few weeks, it did it again, then a few days, and then it got to the point where I had to keep my computer in the same position otherwise it might shut down.
Now, if the power cord is green everything is fine, but if I move my computer and bump the cord into the wrong place it turns from green to bright red, makes an evil buzzing sound, and in three seconds the computer shuts off and I have to restart by using the method above. If or when the power cord goes bright red I do have 3 seconds to pull out the cord before it shuts down. I then sleep the computer, put the cord back into the computer, and move the cord around until it is green again.
I took my computer to a mac genius, and when he looked at the crash report he said it was frequent, but not caused by the battery and couldn't tell me what was the exact problem. I bought a brand new power cord, but I still couldn't move the computer around to much or it would shut down.
1.) Has anyone ever heard of this happening? And if so, what causes it to be so touchy?
2.) What can I do to fix it myself?
3.) If I send it in, will they be able to fix it so that it is perfect again without having to spend more than the money assessed?
I would like to try to have it fixed. At this juncture, my only option is to send it in for $280 and hope they can fix the problem that no one seems to know what is the exact problem, or even where the problem stems from. I should add here that the battery is fully charged, and the report says it can hold about 1 hour of life, although it's more like 30 minutes, and then without warning to plug in or risk shutting down (like it used to give me) it will shut down.
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Oct 12, 2010
I have a MacBook Pro 2GHz Intel Core Duo, running OSX 10.6.4 and the latest iTunes. I used to burn audio CDs just fine and now it gives me error messages.
The first error was a "Medium write error." The second error said, "The attempt to burn a disc failed. The disc can't be burned; it might be incompatible with this disc drive. Please try a different brand of disc or try burning at a slower speed."
I've tried two discs: TDK and Mitsubishi. Both don't work. It starts initializing and then immediately jumps to finishing, then ejects the disc with that message. I updated to the most recent version of iTunes and I still get the same problem.
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