Why is MacBook Pro turning off after it turns on?

So I recently downloaded the new OS for macs. OS Mavericks or something. And since then I've had tons of problems and most recently I can't even turn my computer on. I press the power button to start it up, and of course I get the white screen with the apple and loading circle. Then after a few seconds the screen goes black and the computer shuts off. I have no idea what the problem is, I've had my Mac for just over a year and no problems until now. I can't even contact the apple support hotline because I can't get on the computer to get the serial number. SOMEBODY PLEASE HELP!!!
Also am I able to uninstall this operating system.

Reboot hold the commad R keys to get into recovery.
Use the Disk Utility there to verify the SMART status on your HD
Run the Repair Disk until no errors found or fixed
Run the Repair permissions and then try to reboot as normal.
If that fails reinstall the OS on top of what you have, user files will remain in place.

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Charge Information:
Charge remaining (mAh):          3747
Fully charged:          Yes
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Condition:          Good
Battery Installed:          Yes
Amperage (mA):          0
Voltage (mV):          12382
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Keep holding the power button down for a long time.
If the computer does boot this way, follows these instructions:
http://support.apple.com/kb/HT3964

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Migg7 wrote:
Would my time machine data be preserved with this?
Well this is the big gamble. You really don't know for sure.
TimeMachine has gotten corrupted from a failing original drive and then unable to restore properly to a new drive.
It's not like you can access the files on a TM drive directly and cherry pick what you need and leave the rest. It's all or nothing.
If you go erasing your only other copy on the boot drive, which the files still could be accessed from another boot drive, and if you find out the TimeMachine drive can't restore, then your up the creek without a paddle right?
So if your able, create a data recovery drive and try to rescue your second copy of the files on the boot drive or restore the TM drive to the second boot drive , so this way your files can be accessed directly if you need it and you have two copies again.
Once you can direclty access your files then you can go about erasing and installing on the internal boot drive.

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My mid 2011 macbook pro switched off while I was charging my iphone 5 with it (was using belkin cable since NY apple cable started ripping open at the ends and now it won't work).
This happened 2 days ago. I browsed through some of the community members having the same problem but none of it works for me. If I recall the macbook has 60% chsrge . I tried connecting my charger to the laptop it only lights up with a light green color that's hardly noticeable. Moreover none of the keys work it seems. Please help

You will have to take the computer to the Apple store to have it checked out.
http://support.apple.com/kb/TS1365
Best.

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Welcome to the Apple Support Communities
First, reset the SMC > http://support.apple.com/kb/HT3964 If this problem is related to software, this should fix this problem.
If it doesn't work and you can start your computer, open System Information or System Profiler (it's in /Applications/Utilities), choose Power in the sidebar, and copy here "Charge Information" and "Health Information".
If you can't start the MacBoook, the only thing you can do is to take your computer to an Apple Store or reseller

My macbook pro switched off and wont turn back on. i tried to charge it but it still wont work. how can i get it to turn back on??

My macbook pro randomly switched off and wont turn back on. I have tried to charge it but it wont work. How can I get it to turn back on??

It's more than likely broken, a part has failed. You need to take it to a Apple store Genius Bar to be checked out and fixed. Or just buy a new Mac as to fix the one you have might be cost prohibitive. Especially if your warranty has expired.

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So I may have accidentally deleted a file that I thought was a temp connected to another file. I stopped the deletion when I realized it was a large file. I restarted my computer and when it starts to boot, and during the spinning wheel, it shuts off. I do have a recent back up of my system, though I can't start it to do anything.
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I have an early 2011 MacBook Pro.
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Boot to the Mac OS X Utilities Recovery HD system. At startup hold down the Command + r key to access that system. then select Reinstall Mac OS X. A fresh copy of Lion will be downloaded from the internet and installed on your Mac. Doing this so called Over the Top reinstall should not affect any other files on your Mac other than to replace the file/s you deleted.
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Hi kifan lin,
If you have concerns about the temperature of your MacBook Pro, you may find the following article helpful:
Mac notebooks: Operating temperature
http://support.apple.com/kb/HT1778
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Today I got the warning at 10% and about a minute later, the computer just zapped off. I only had internet (Facebook and email) and iTunes open. This has happened before, more often recently, where it shuts off shortly after the warning. I've been wondering if I have a bad battery because sometimes the computer has drained all the way to 0% and then zaps off.
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Apple actually has a section of their website dedicated to explaining how recharge-able batteries work these days. It includes some tips on how to maximize your battery life.
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Quick question on what might be a problem with an iMac G3 350Mhz. I hit the power button, the green light comes on, the hard drive starts to spin, about 1 second, everything shuts off. Can't really figure out where I might start (Power supply, bad Power Switch). Works the same if I hit the power button on the front of the unit or on the keyboard.
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I'm no whiz at this, but I have a suggestion: back-up any data you don't want to lose or you may be paying for a transfer sometime soon onto a new computer. Recently, my iMac G3, bought in 2000 and on its second HD, "popped" with a flash of light from the base when I turned it on. After that, my screen would appear an electric green color and then would shut down within a second, just like yours did. Turned out that my analog board blew and it would cost over $400-$500 to get it replaced. With a six year-old computer's potentially escalating problems at stake, I decided to buy a brand-spanking new iMac 5,2. Hated to spend all that $$$, but I'm enjoying it, especially since I got DSL, too!
If your problem is fixed with the PRAM battery, good for you; but still, back up your data.
iMac5,2 (17 inch monitor) Mac OS X (10.4.7) Previous computer: iMac G3 w/o Firewire. Analog board blew after 6 years.
iMac5,2 (17 inch monitor) Mac OS X (10.4.7) Previous computer: iMac G3 w/o Firewire. Analog board blew after 6 years.

How do I fix my MacBook Pro that continues to abruptly turn off, no matter what I am doing? Even after deleting items/trying resolution methods?

How can I fix my MacBook Pro? I have a relatively recent model of the MacBook Pro. I’ve been running Mavericks.
For the past few days, it has been randomly clicking off by itself, I guess crashing. I would be online or just doings on it, sometimes nothing at all, and the screen would go black, the computer would turn off. Then, I would proceed to try to turn it back on, and it won’t turn on for several minutes, no matter what buttons you push. I tried doing an SMC reset for myself. It did not help much. I deleted all my personal files, including plug-ins, especially flash player. I thought that helped, but the computer proceeded to turn off minutes later. Then, out of frustration, (as I have done twice or so before since having the computer) I did what may be called a factory reset for my computer. I erased the current operating system information/memory in disk utility, and then went on to reinstall OS X. This was working fine, and then, a few minutes into the downloading process, my computer turned off once again.
Now, I have no system to operate on. I keep turning the computer back on to try to do it again. But now, the computer tries to do a remote or internet recovery, and tries to re-download an operating system using my WiFi. I’m sure this would be successful, but the computer can’t function for more than a minute or two without crashing/turning off.
I am fairly certain that my power button is NOT stuck.
I did earlier notice the fan making noise, before doing the SMC reset.
The computer did seem to say there was no batteries available at one point.
(But all of this was okay after some point, and I was just doing the reset to try to correct the turning off the system was still doing)
A week or two ago, I did have a glitch where my desktop picture was flashing and acting weird, and other functions on my computer keyboard not working, like volume, keyboard brightness, etc. But I did fix it.
I have not ever had much on this Macbook pro. I do not download applications. I do not store nearly any files on the computer. I usually only use the flash player plug-in. This computer is only used for doing work/business, and for personal use online.
I can’t see why I would have so many problems.
Is it possible that erasing the memory twice or so before is causing an error or issue in the drive?
What is the root of this problem, and how can I fix it on my own?
I can’t really make any progress on the computer since it turns off after only a minute or two no matter what you are trying to do.
What do I do now?

kapots3v4,
if your MacBook Pro doesn’t stay active long enough to perform an OS X Internet Recovery, then you should make an appointment at your nearest Apple store or Apple-authorized service provider to have them diagnose what’s ailing it.

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Try resetting the SMC http://support.apple.com/kb/ht3964

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Correction:
When I turn MacBook pro 13 on sound play and fans run at full speed but it turns off after few seconds.
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Why is MacBook Pro turning off after it turns on?

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