This can be a few different things. Power button is bad or its possible that you have a bad motherboard. Try removing the battery and powering it on to see if it will come on. Sometimes when a battery is faulty it will cause the laptop not to come on. I just did and still wouldn't turn on. Do you know where is the jump start pad on this laptop model?
Remove the back plate and verify that all springs or pressure sensors are not damaged. If the back plate doesn't fully engage all the sensors that will also cause the issue. Bex bexfitz. I just went to turn it on, it started then shut down by itself. I think it was flat.
I've found that and later MacBook Pros that charge but won't boot actually have a bad battery. The battery fails in a way that keeps the system from turning on, making it seem like a bad logic board.
1. Check If the Mac Has Power
I have run into this over a dozen times on the and later MBP. Get a new battery. I unplugged the battery to see if that was the case. It wouldn't power up with the battery disconnected and the adapter plugged in case snapped on. Any thoughts? SD Card mshell. Mister Who. Unplug and plug back the battery. Plug the mac to your charger. I did that twice so far as at the time of writing this response and it starts.
To test your battery run CoconutBattery and paste a snapshot of the main window so we can see it too! Adding images to an existing answer. Luis Anniel annielservitec. Remove the battery on the back of the notebook, connect the computer with the power adapter, and try to boot. If the boot is normal, it is caused by poor battery contact or battery failure.
Try to boot, if the boot is normal, then only the motherboard BIOS is not normal. Then they will tell you the problem, and offer you a solution. Marques buggy Not likely This series has a few soldering point issues.
2. Run a Power Cycle
I often need to redo a few chips to fix this. Select a Language: Help Translate iFixit. Back Answers Index. SoloLay sololay Rep: Any idea how to fix it? Won't turn on, no startup chime, and no light at all. Answer this question I have this problem too Subscribed to new answers. Is this a good question? I have replaced the old keyboard thinking it might be problem with the new one. Hi, I'm happy all other users solved their problems with Mac.. But, My problem seems a bit complected.. But still get White Screen after chime Sound Non of the startup combinations or shutdown work Any suggestion would be great Thank you..
Three days ago, I plugged the Macbook early into the socket to charge. The next day when I turned it on - nothing happened. No chime, no screen, nothing.
Won't turn on but battery charged.
Took it to Mac Genius which was a waste of time, took it to an Apple approved repair shop, they said the keyboard was clearly full of water impossible , had a technician visit the house and test, doing all the magic tricks you can do to wake up a mac, nothing worked - everyone said it's the logic board. I have had this Macbook purchased new only 2. It didn't make sense that this essential and most expensive part of the MBP would die so soon. I had suspected the battery as responsible for some time for other issues erratic track pad for example.
I backed up the computer, turned it off - no problem rebooting at all. And in fact the computer is working much faster now. I will have it totally checked out and replace the battery 38 euros. Hope this helps people with similar issues! Thanks for your sharing, I had have same issue with you. I followed your steps. And ahaa!!
That is so awesome!! Its always Battery Issues with Apple Products. I gave up!! Constantly going to Apple Store is annoying especially talking to Genius staff is useless. Thanks so much! I'm grateful for your help! Thanks a lot!!! Thanks again. Suddenly Macbook Pro bought in would only turn on , and run for about 2 minutes, then shiut down. Just running that Test did something that all the other processes could not.
I wish you very well and great success. I've got a 27" iMac from A little while ago it wouldn't boot anymore. I heard the "Wall-E" sound, it showed a grey background, the apple logo and a bar loading. So I was stuck. He provided me with a stick with the OS. I started the computer with the USB drive plugged in, and held down the option button.
This shows the option to boot from the USB drive. When I selected that, I got back to a grey background with an apple logo and a bar loading. It got hanging again. I did the extended test. It found nothing. Out of desperation I tried starting my computer once more with the USB. Now I did get into Disk Utility. I was able to clear the HD and install the new OS.
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Now I'm wondering if I could have just started the computer after the test, without re-installing the OS. Oh well, it's an old computer, I only use it for Netflix nowadays. Thanks for the tips, they were golden! Had to log in and post that the 10 second with unplugged, then while holding do another 10 seconds, fixed my issue. My Mac hadn't been turned on in probably at least a year and this got it to boot! Thank you! No chime.
I've tried a variety of fixes suggested here and in other places with no luck. Machine starts to boot and goes to a black screen with cursor showing after the progress bar is about halfway. I've tried various key combinations and can't get the chime so most key combinations don't work. Help button says hard disk needs replacing? I had the same problem, running extensive memory tests on my computer solved it for me, as you can see in my comment. I switch off my macbook pro before going on holiday for a couple of days. Came back wanting to catch up with work and would not start at all, with battery indicator on charger a very dim green.
Have searched the net for every possible solution but nothing is working! Might my macbook be really dead! The power cycle tip did the trick! I was starting to get worried after I worked through the apple troubleshooting guide without results Thanks for the article. I just bought an old Mac book pro 17" 2. It worked when the guy showed it to me and I messed around on it for about an hour or two later that night.
Then I plugged it in and Battery showed full green light on cord was on But nothing no beep no fan no screen. I was about to find out how cool it would be to run over it in my truck and make a video of how I will never buy Apple again 1st time apple user And your article got me to try the ole reset thing I noticed while I was disconnecting and reconnecting the bAttery for the hundredth time, while leaving the power cord plugged in I heard the fans click on for a sec I noticed after trying a few more times to duplicate my accidental discovery and found that I was pushing my thumb into the bottom case of the laptop, just outside to the lower left corner of where the battery fits in my model A for those of you lucky enough to have this beauty of a relic.
And BAMM fans start up Don't really know what short or flaw or what not that I discovered but she's still working well, and my truck tires shall never meet my laptop now. I did a Recovery mode as explained above and tried to do a restore from Time Machine back-up, but the back-up disc didn't appear. In Disk Utility it did appear, so I did a copy of the backup disk onto my internal HD, which was probably a bad idea, the computer still wouldn't boot. I also made an external usb installation media with DiskMaker on another computer, but when selecting"Install OS X" from the usb and selecting the internal HD for the installation, I now get the message "This disk is used for Time Machine backups" - apparently because it is indeed a copy of my backup disk!
So this seems quite locked indeed. Does anyone have a solution? Is it possible to unlock the internal HD somehow, e. Thanks so much!! Resetting the PRAM did the trick.
Mac Won't Boot? A Step-by-Step Guide to Waking It Up
I was about to give it away and buy a new Mac until I came across your article. I now have a great working laptop again. Observations 1 Mag Adapter Shows Green when plugged in 2 pressing the small button on the left side shows full battery charge. Work in progress. I have a Macbook Pro 13" mid with a gb HD. I then made a 1 on 1 copy of my old HD onto the SSD, it works for a while andeven I can shut it down, I can reboot it, put it in hibernation and standby but for a unknown reason after weeks, if I reboot it or shut it down it won't boot up again. I thought about compatibility of the SSD but if not compatible it won't works at all.
Does anyone have a idea? Thanks Jessica. No I didn't contact apple support. Yesterday again same problem. But thanks for the post and information. Trim Enabler has a known Issue since Yosemite where you'd have to disable the check for a kexts checksum performed by Yosemite to check for non-Apple kexts.
You will find it right on their site. I'm dealing with an older Macbook Pro, but the information is still valuable for anyone with Macbook problems. Thanks for the post. Thanks Scot! I aim to include information that would be useful to people even if they aren't dealing with the exact model I am.
Power cycle worked for me. This helped me so much!!! You are a genius thank you!! I owe you my life. Hi, my MacBook Pro 9. Thank you for the power cycle tip! I'm having the same problem, but with a retina MacBook Pro. Someone help please. The three beeps and a pause was the clue. Oopsi Of course I didn't back up my files!! Hope it goes well and nothing is lost. Now come? My macbook pro is still dead. I have tried everything. If you're not sure about the outlet, test it with a lamp or other device. Then try these solutions, whether or not your Mac has signs of power: If that doesn't help, repeat after unplugging accessories from your Mac, including printers, drives, USB hubs, and mobile devices.
You could have an issue with one or more of those devices or their cables. If nothing appears on your display, make sure that its brightness is turned up. Start up in safe mode. Start up from macOS Recovery.