Macbook pro acts like it will startup then shuts off

I hit the start button and it begins to boot up. The apple sign comes on, the loading bar starts up then it all shuts off 3 seconds later.

I am having the same problem. This seemed to start as it was getting the last update from Apple. I had been using my Mac and when finished I was letting it finish the update.

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Macbook Pro acting like my good ol'PC (which cost a lot less).   Won't load Yahoo emails....this since I got Lion. I don't have time for this $%^

Mac book pro acting like my good ol'PC which cost a lot less.   Won't load yahoo emails, get the beachball, slow, etc etc.   Not what I paid for....and Apple care on the phone is even less help they $^&% around for some time without a solution, then tell you they will send you to a "senior tech".....huh?   Like my money back for this so called service. I end up taking my time to go to the genius bar where they have helped.   But this is getting tedious.
----lost photos which had to be recovered, even the geniuses don't know whu...
---PC, er, excuse me, macbook froze up and essentially crashed.....AC did not know why. Said they'd call back but never did.
---now the latest issue with my personal email account.   I always love it when if it's a non Apple item, there is little they can do. Well for the money guys, you should and you owe your users that.
Getting VERY disilliouned with apple products.....

Your post is in the wrong branch of the community.
If you have complaints on Apple products feel free to give them a feedback.
For that follow that link -> http://www.apple.com/contact/feedback.html

Changed RAM in Macbook Pro now the Apple logo appears then switches off

Hi all,
I hope someone can offer me some assistance with this.
I'm using a Macbook Pro (unsure of the year) It's a 13" running an i5 and 4GB of ram. I believe it is running Mountain Lion.
I took the back off and added one strip of 4gb to go along side the strip of 2 and rebooted the system. Now, when the Macbook turns on, it chimes, and the Apple logo appears and it turns off.
I've tried resetting the NVRAM and removing the new chip and just using either the 2 or 2x2 that came with the MBP but to no avail. I've followed the instructions here, but nothing works.
It seems very strange that just adding some extra Ram would cause the system to fall over. I've worked quite a bit on computers over the years and i'm 100% positive i didn't put the ram chip in as such that it would damage the unit.
Do i have any other options here? If possible i don't really want to reinstall the OS and lose my programs. I'm not worried about the data as there isn't much on there but I have Office for Mac 2011(i think) installed and i no longer have the disc. Is there a way to do an OS repair which just overwrites the system files and not data?
As said above, i've tried also booting into the recovery partition but the same thing happens, it starts to load then shuts off..
Very confused!
I hope someone can help
Thanks,
Sam.

I tried to repair the disk permissions but it kept throwing up "live file system repair not supported" errors, plus when i tried to install Mavericks it said my disk was locked.
I did a quick Google and I think I need to boot from a USB stick running Mavericks and try and repair from there..
I'll report back on my findings. Thanks for your help so far.

My 13 MacBook Pro acts like the battery has died while it is plugged in.

I will use my MacBook normally, it will be plugged in and fully charged. I will leave it on, close the lid and leave it plugged in for the night. The next morning it will still be fully charged (the charger indicator light is green, pressing the button on the left also shows full green dots). I will open the lid and instead of being ready to go right where it left off it has a white washed screen with a loading bar across the bottom. It goes through what normally happens as if the battery has died. It takes several minutes to fully start up before I can use it. Battery indicator is still at 100%. Strangely, this problem does not occur when I leave the computer on, UNPLUG it and close the lid. The next morning it will be ready to go without the white-washed loading screen. There is some, but minimal, battery depletion after that but only do to being unplugged. Otherwise it's fine.
Right now it's in diagnostics overnight at my local apple store. But the apple genius, and several other people I have talked to have not heard of this problem. Any insight? That computer is less than a year old, purchase december 2012. Unfortunately I can't remember the exact operating system. Thank you!

Youve got a wake from sleep issue when powered.
yes, youve got a late 2012 macbook Pro running 10.8.5
Theyll diagnose it and take care of it or replace the logic likely.

MacBook Pro 3.1 boots up freezes then shuts down before sign in screen

I recently upgraded to Yosemite from Mavericks and now my MacBook Pro 3.1 when Iturned on takes me to my login screen (sometimes other times even before the login screen) freezes up, I can't make the mouse cursor move and keyboard does not function then it shuts down and reboots over and over again

A 3.1 MBP is a 2007 15" MBP. You indicate that you have a retina MBP. Clarification would be helpful.
Try SMC and NVRAM resets:
http://support.apple.com/en-us/HT201295
http://support.apple.com/en-us/HT204063
Then try a safe boot:
http://support.apple.com/en-us/HT201262
Any change?
Ciao.

Macbook Pro (MC374LL/A) chimes + grey screen, then switches off

Hi
My MBP won't boot anymore
It switches on, chimes, displays a grey screen and then switches off
I have tried resetting PRAM [option]+[command]+[P]+[R],
booting with the following possibilities [option], [option]+[command], [C], [T], ...
I have changed the RAM
Nothing seems to make a difference.
Should I resort to the 7mins oven treatment ?
Not sure what to do
thanks
yann

Thanks for your replay Ogel
1) Safe boot doesn't work
2) Reset the NVRAM / PRAM doesn't work
3) Start up your Mac while holding the C key doesn't work
The DVD I manage to enter is immediately ejected
On each boot the grey screen lasts barely two seconds before the MBP switches itself off

Macbook Pro to Toshiba LCD via HDMI screen shuts off

I have a mid 2010 model Macbook pro hooked up to a 46'' Toshiba LCD tv using the moshi connector and an HDMI cable. Every 25-30 minutes the screen goes black for 2-3 seconds as well the sound turns off. The picture then comes back, usually to shut off again for 2-3 seconds then will remain on for another 25-30 minutes. This happens each time I connect the laptop to the computer.
I have returned the TV, connector, and HDMI cables and the issue has continue to happen. This leaves me thinking that it must be an issue with the computer. Does any one have any tips or ideas as to what I can do to stop this? Its really irritating to try and watch a movie to have the picture cut out periodically.
Thanks

Hi, Guys
I'm using a MacBook Pro with a Samsung 610 52" color monitor for studio video production.
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HT1933 Every time I try to open my iTunes app it will open then shut off automatically. What can I do? HELP!!

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Try This...
Close All Open Apps... Sign Out of your Account... Perform a Reset... Try again...
Reset ( No Data will be Lost )
Press and hold the Sleep/Wake button and the Home button at the same time for at least ten seconds, until the Apple logo appears. Release the Buttons.
http://support.apple.com/kb/ht1430

My computer will turn on for a second then shut off.

I had just shut down the computer 30 min before so when i go back to turn it on i press the on button sounds like its starting up then shuts off it has a full charge took out the battery and tried it again. still doesn't work i kept try to turn it on and on but itll just act like its starting up then shut off. sometimes if i let go of the on button too early the light will just come on then immediately shut off. what do i do everything i own thats apple has been breaking this week.

- If it is only one app try deleting the app and then redownload/install the app.
- Reset your iPod:
Reset iPod touch: Press and hold the On/Off Sleep/Wake button and the Home
button at the same time for at least ten seconds, until the Apple logo appears.
- Restore your iPod. First from backup and if problem persists restore to factory defaults/new iPod.

MB Fan revs up for 5 sec then shuts off?

The fan in my 2007 13" White MacBook revs up for a few sceonds then shuts off randomly. This just started happening recently. I did a clean install of Snow Leopard and did all the SW/FW updates. I ran Apple Software Diagnostic on it and Rember and it passed both. I also repaired permissions. I took the logic board out and replaced the thermal paste. I cleaned out the fans and vents with canned air. Checked all connections. I ran it on test RAM for a while and it happened so I dont think its the RAM.
Its completely intermittent and random. Unmistakable because the fan is revving at maximum and is really loud when it does this. Ive seen it do it when I wasnt running any apps so I dont think its app related. The machine seems to be functioning fine otherwise. Wondering if anyone is familiar with this issue or has any advice.
Thx!

i mistakenly wrote "clean" install of 10.6 and should have put "re" install of 10.6. i did not wipe the drive which ended up solving my issue. what a weird software issue. i was sure that it was a hardware thing.
i think it was some lingering istatpro or smcfancontrol files hiding somewhere deep in my OS. i deleted both of those apps a little while before this happened. after i deleted them i did do a SMC reset as required. this issue started happening soon after.

My Macbook pro, (late 2010) sometimes will sleep and won't wake up. then the sleep light flashes.What's the problem?

My Macbook pro, (late 2010) sometimes will sleep and won't wake up. then the sleep light flashes.What's the problem

Hi I've been following this thread (along with a different one on the same topic). I've been having the same problem with my ibook. I can add that I have no problem with startup. It's just that the screen "goes to sleep" unexpectedly and may operate normally for a few minutes or a few hours at most. Opening and closing the lid or restarting seems to cause it to awaken but then usually for just a few seconds or minutes. If it is connected to another video display that display continues functioning fine even though the computer screen is blank. In addition the desktop is there and visible faintly or if totally blank can be backlit through the apple logo and can be read. I've had my logic board replaced twice under the extended warranty and assumed it was that but now I'm thinking of the reed switch. Apple refuses to consider any further work under warranty as the last repair was in Jan, 06 and they claim only a 90 parts warranty and the machine is from 03. Any thoughts before I cut the wires? I have reset the pmu, run cocktail and disk utility. Other than the sleep issue the machine works fine. thanks Ronda or anyone else who has any ideas... Dave

Macbook Pro starts up, has a small loading bar, and then shuts off.

Macbook Pro starts up, has a small loading bar, and then shuts off after a few seconds, but the Windows bootcamp partition works fine.
The repair disc option (using install disc) failed, and the computer cannot locate the original Mac side partition. Only Bootcamp appears under options to "restore from backup" or reinstall. The repair disc options says it should be repaired but doesn't seem to know how.
Macbook Pro.
Snow leaopard
Bootcamped with Windows.
Any ideas?

Hold c or option key and boot off the 10.6 installer disk, run DU Repair from there.
run through this list of fixes 1-8
Step by Step to fix your Mac
If it doens't work, you can recover files if you don't have any current OS X file backups, then grab what you can out of Bootcamp
Use Data Rescue installed on the extenral boot drive ($100) to read the bits of the internal (non-filevaulted) drive to retrieve OS X data files if you can't get them off manually via drag and drop methods.
Create a data recovery, undelete boot drive
If you want to clone Windows, use WinClone and another drive. However it's likely compromised, unless it something you did in Windows, like trying to create a new parttition perhaps?
Then perform a Zero Erase and install of 10.6 as shown here (on the entire drive, not only the parittions), this will give a new GUID partition table, EFI and map off bad sectors, totally fresh everything.
How to erase and install Snow Leopard 10.6
You cna use Carbon Copy Cloner to clone the new extenral setup to the new scrubbed internal drive. Recreate Bootcamp and WinClone back or fresh install Windows into Bootcamp like before. OR opt to use virtual machine software which is safer.
Windows in BootCamp or Virtual Machine?
Windows 7 can write to the boot drives GUID partition map (unlike XP), this is likely why it's borked now.

MacBook Pro sounded like a drill machine, seriously. What to do?

My MacBook Pro sounded like a drill machine, seriously. Think it was the HDD. The sound was so loud that I almost fell off my chair. Next day I get this "restart" message, so I try to restart. I then spent an hour trying to turn the mac back on. The mac-made just beeps and would not start, just a black screen.
Now, everything seems normal.. but I have had problems turning on the mac several times. It will happen again. What to do?

If you have not done so already, back up your data. If your computer is under warranty, Apple will repair your computer for free. If you are near to an Apple Store, make a reservation to visit a Genius, and have your computer checked out.

Been shutting off my Macbook Pro for months. Will this cause problems?

Hi,
I only just read today that it's actually best to keep a Macbook Pro on sleep at night and not shut. Is this true? If it is I'll be doing from now on.
Also, I've been shutting my Macbook Pro off at night, every night, even several times during the day if I'm using it during the day. Will this damage it? If so is there anyway to reverse the effects that shutting t down might do?

It makes no real difference whether you shut it down or put it to sleep. Sleep is faster for wakeup than rebooting is. Shutdown saves on electricity or battery power (if not connected to the AC adaptor.)
No harm is caused by shutting down. If you are traveling it's better to shutdown. If not using the computer for a couple of hours then putting it to sleep will let you get back to work quicker.
The computer should be shutdown if it's not going to be used for more than 8-12 hours.

MacBook Pro i5 with retina will not recognize WD Passport even though I successfully used it to transfer programs and files from my older MacBook ten days ago. It receives power from the USB, but when using Time Machine I receive the message that there is

MacBook Pro i5 with retina will not recognize WD Passport even though I successfully used it to transfer programs and files from my older MacBook ten days ago. It receives power from the USB, but when using Time Machine I receive the message that there is not an external device connected.

If the modem is also a router, either use the modem in bridge and run pppoe client on the TC.. that is assuming ADSL or similar eg vdsl. If it is cable service.. and the modem is a router, then bridge the TC.. go to internet page and select connect by ethernet and below that set connection sharing to bridge.
Please tell us more about the modem if the above gives you issues.

Macbook pro acts like it will startup then shuts off

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