TS1367 mac book pro computer keeps turning off and coming back on

Why does my computer continue to go to sleep when being used?

Troubleshooting: My computer won't turn on
BTW, this is the Mac Pro desktop forum

Similar Messages

  • Hi, my mac book pro computer has been off and now I am trying to on it but its not on so please help me

    hi, my mac book pro computer stop working saddanly and now I am trying to on it but its not oning please help me

    Troubleshooting: My computer won't turn on
    BTW, this is the Mac Pro desktop forum

  • How can you prevent the mac book pro from unexpectedly shutting off and beeping three times repeatedly?

    How can you prevent the mac book pro from unexpectedly shutting off and beeping three times repeatedly?

    The three beeps are an indication of a hardware problem. Power On Self-Test Beep Definition - Part 2 - Apple Support

  • Mac book pro mid 2012 turn off randomly

    when not plugged in my mid 2012 mac book pro just turns off randomly and I just replaced the battery a month ago the old battery gave me the same problem and the new one was fine until  about 2 weeks ago now it just shuts off randomly and I have no idea why because the battery has only 36 cycles on it
      Model Information:
      Serial Number: W03065AG7D3LC
      Manufacturer: SMP
      Device Name: bq20z451
      Pack Lot Code: 0
      PCB Lot Code: 0
      Firmware Version: 201
      Hardware Revision: 000a
      Cell Revision: 165
      Charge Information:
      Charge Remaining (mAh): 4858
      Fully Charged: No
      Charging: Yes
      Full Charge Capacity (mAh): 5058
      Health Information:
      Cycle Count: 36
      Condition: Normal
      Battery Installed: Yes
      Amperage (mA): 140
      Voltage (mV): 12338

    I have made a strange observation too  I decided to clean out the dust and once the bottom was off I propped the computer up with pens so it was not touching the desk and turned it on but the computer has not shut off without warning  anymore

  • TS2570 MY MAC BOOK PRO SCREEN WONT TURN ON AND WHEN I START IT UP THE INDERCADER LIGHT FLASHES

    Help my macbook pro will not turn on i am using leopard and my keyboard will and my computer will but the screen wontand wheni start it up the light on the right of the computer at the front starts blinking

    Hello, see if this helps...
    The following table lists the new tones and their meaning:
    Tone(s)    Description
    1 tone, a 5-second pause, repeat    No RAM installed
    3 successive tones, a 5-second pause, 3 successive tones    RAM does not pass data integrity check
    1 long tone when holding down the power button    Firmware upgrade in process. See About firmware updates for Intel-based Macs for more details.
    3 long tones, 3 short tones, 3 long tones    Firmware restoration from CD in process. See About the Firmware Restoration CD (Intel-based Macs) for more details.
    http://support.apple.com/kb/HT2538
    Older meanings...
    Can you count the beeps or flashes?
    1 beep = no RAM installed
    2 beeps = incompatible RAM types
    3 beeps = no good banks
    4 beeps = no good boot images in the boot ROM (and/or bad sys config block)
    5 beeps = processor is not usable
    In addition to the beeps, on some computers the power LED will flash a corresponding number of times plus one. The LED will repeat the sequence after approximately a 5-second pause. The tones are only played once.
    Note: In this case, a flash is considered to be 1/4 second or 250 ms or greater in length.
    http://support.apple.com/kb/HT1547

  • Mac book pro won't turn on and battery is fully charged..

    My Mac book won't turn on... The battery is fully charged, we have it hooked up to power... We've tried holding power button down and disconnecting from power but nothin have worked! It makes a noise like its going to turn on and little white light flashes but nothing happens

    Try a safe boot, see if it starts, this takes a bit longer.  Push power button while holding shift key, continue to hold key till you see the progress bar. If it boots, shut down and try to boot in the normal way.  Best

  • My iphone keeps turning off and then back on

    My iphone 4s keeps turning itself off  and after a minute or 2 it restarts.

    try to reboot it by holding both the power button and the home button in the same time until it shut of then release the home button and hold on to the power button for ten seconds. i had the same problem too.

  • My Mac book pro is not turning on keeps on making very annoying beeping noises. I need to know how to fix it NOW

    My Mac book pro is not turning on keeps on making very annoying beeping noises. I need to know how to fix it NOW

    Beeps on startup:
    1 beep = no RAM installed
    2 beeps = incompatible RAM types
    3 beeps = no good banks
    4 beeps = no good boot images.
    5 beeps = processor is not usable
    http://support.apple.com/kb/HT2538

  • My Mac book pro won't turn on at all and when i put it to charge the light blinks, what should I do?

    My Mac book pro won't turn on at all and when i put it to charge the light blinks, what should I do?

    Yes if your model MBP has a removable battery.  If it does not: 
    Shut down the computer.
    Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
    On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
    Release all the keys and the power button at the same time.
    Press the power button to turn on the computer. 
    Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.
    http://support.apple.com/kb/HT3964

  • HT3964 the indicator light on my mac book pro does not come on and the computer will not start

    what can i do if the indicator light on my mac book pro does not come on and the computer will not start?

    Here are a couple of trouble shooting articles that may assist you:
    http://support.apple.com/kb/ts1367
    https://discussions.apple.com/docs/DOC-3353
    Ciao.

  • When I start my mac book pro the screen flashes on and off and then a blue color before it open to the log in screen. Sometime a program will shot down buy it's self without me clicking the quit button. Help?!

    When I start my mac book pro the screen flashes on and off and then a blue color before it open to the log in screen. Sometime a program will shot down buy it's self without me clicking the quit button. Help?!

    If you keep getting a 'red' message it means that the HDD is faulty and will have to be replaced.  You will have to format the new HDD in Disk Utility>Erase and then install the OSX and your data from Time Machine.
    Ciao.

  • Why does my nano keep turning off and on when it is connected to my computer?

    When i connect my nano to my computer the nano says that it is connected and nothing happens in Itunes. Then when the nano keeps turning off and on while it is plugged into my computer. What can i do to make itunes recognize my nano so i can add new music?

    Please try the following:
    Move System Configuration Files
    (Note: You will have to reestablish your network connections settings.)
    Go to /Library/Preferences
    Move the SystemConfiguration folder to the desktop.
    Restart your Mac. (Note: OS X will rebuild the files that are now sitting on your desktop. If this doesn't resolve the issue, you can move the folder back to it's original location.)

  • How can i restore my mac book pro computer

    how can i restore my mac book pro computer??an what am i doing b4 restore my computer??
    please remind me all the think i need to do,an i dont want to miss.
    thxxxx

    Welcome to the Apple Support Communities
    If you want to erase the disk, reinstall Mac OS X and your Mac didn't come with DVDs or you have OS X Mountain Lion or Lion:
    1. Press Command and R keys while your Mac is starting.
    2. Open Disk Utility, choose Macintosh HD in the sidebar and erase the drive.
    3. Install Mac OS X.
    If your Mac came with DVDs:
    1. Insert the OS X DVD that came with the Mac and press C key while your Mac is starting.
    2. Go to Utilities > Disk Utility, choose Macintosh HD in the sidebar and erase the drive.
    3. Install Mac OS X

  • My mac book pro won't turn on, My mac book pro won't turn on

    My mac book pro won't turn on, My mac book pro won't turn on

    Go step by step and test.
    http://support.apple.com/kb/TS1365
    Note: Steps 5 and 6
    Step 5
    Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".

  • HT3205 My mac book pro will not turn on. The light on the battery charger is weak, barely visible.

      I recently purchased an iphone 5s. After returning home form the apple store, so very excited to sync my new device, my mac book pro won't turn on.
    it was last used 3 hours prier to me returning home. It won't turn on, the charger light is weak, barely visible. When I plug the charger to another device it works fine. Before I take it to be repaired I would like to get a general idea of the problem, as well as an estimated cost.

    A. We have no idea what the problem might be.
    B. We have no ideaa what it will cost to repair it.
    C. Please make a Genius Appointment and take it in for service.

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