No other signs of life. No start up chime, no matter how many times I hard power down and restart. It's a MacBook pro with a non removable battery. Hi Fennelly. I have the same issues right now. Did you manage to bring back your computer back too life? Holy Bologna!!! I was convinced my MacBook Pro was toast. The special Poeer cycle seemed Compliments on the well structured and informative guide!
Started using a Macbook Pro Md for a week or so now, when it just turned off. At the istore they performed a SMC and run a diagnostic check - proclaiming all is fine. A day after it happened again. Thank you kindly.
Great guide, I have no Mac experience and was able to repair my son's Mac using your guide. After hours of trying everybody else's suggestions I fixed me problems with your pointers!!! It took many layers of fixes but eventually sorted out my MacBook. I luv u?????? You are awesome! I reset the PRAM and it booted up quickly. Worked like a charm. You are the best. Thank you.
The first solution worked for me!! The fan seems to be a lot louder.. But my MacBook is up and running. Thanks so much, Jessica and to Victor Clausson for the "special power cycle" tip. Thanks Jessica! But even after all the El Cap troubleshooting, I've still been stuck! Then, a little comment from you and I was digging into RAM at the same time, but getting no love : It's the memory sticks. Thank you, thank you, thank you! I thought you were nuts. Unplug the power and hold down the button?
Reattach the power and keep holding the button down? What was that possibly going to accomplish? Have appt Apple Store in 1hr!!
Check for power-related issues
Been having battery problems within my Apple Care but store refused to do anything; kept doing diagnostic, all extras……???????? I didn't remove my partition with the OSX install - I just can't access it! I don't know what to do. 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. 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!!
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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!!! 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.
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!
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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!louiskangjs.com/pigon-cell-phone.php
Mac troubleshooting: What to do when your computer won't turn on | Macworld
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.
Help! My Mac Won't Turn On!
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. 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.
Safe mode also scans the directories within your hard drive for errors. Once in safe mode, look for problematic applications or services that are causing the failed normal boot. This is the Recovery HD. A common problem with hard drives is disk structure. This can lead to issues that include booting. Sometimes your operating system can become corrupt, and not boot or operate normally. To do this, you will need an active Internet connection and about 2 hours. If your hard-drive has become seriously corrupted, you may need to format it completely and start fresh. This completely erases all data on the hard drive, including your files.
If you've exhausted all of the tips in this guide, and your computer is still not turning on. You unfortunately have a broken computer and may need to seek professional repair to get it back. Find a good local repair shop and have them take a look. Save Now. Subscribe Sign In. Web Design.
Game Development. Computer Skills. Learning Guides. Computer Skills Mac. My Mac Won't Turn On! Mac Hardware Disk Utility. Run Through the Basics Did you try turning it on and off again? Hardware Issues Hardware refers to the physical components of your computer. If you still have any warranty, let the pros at Apple fix your computer! Tip: If your computer was built before , please refer to Apple's Support Documentation for out of date products, as the process is different.
The OS X Recovery application gives you the power to fix your mac if it won't turn on. Tip: Formatting your hard drive completely removes all data from it. This included your personal files. Fortunately, you can try to boot into Recovery Mode, where you can repair the corrupted Mac internal hard disk with Disk Utility. To access the Recovery Mode, make sure your Mac is turned off. If the Mac is stuck on a white or grey screen, just force shut it down by holding down the Power button.
Don't release the keys until you see the Apple logo. In this case, some Mac computers will automatically try to start up from macOS Recovery over the Internet, and you will see a spinning globe instead of an Apple logo during startup. So, make sure your Mac is connected with the Internet when your Mac won't boot. Click on First Aid on the top and click Run to repair this disk. When it finishes repairing this disk, click Done and restart your Mac as normal. Safe Mode can check through your startup drive to make sure there are no problems. It helps you resolve problems that are stopping your Mac from starting up.
So you can also give it a try if your Mac frozen on startup screen. To start your Mac in Safe Mode, you need to switch off your Mac and turn it back on again. As you restart this Mac, please press and hold the Shift key, then release the key when the login window appears. If your Mac failed to boot after you installed the Google Chorme update, Google has provided a command line to fix the problem.
Press and hold the Command and R keys while tapping the power button to start your computer. Click Utilities in the top menu bar and choose Terminal. Run the following command line, assuming your primary drive which contains your macOS is named Macintosh HD change name if it is not :. After those steps, the Google Chorme update should be removed and Mac file system should be restored. The Mac should boot correctly. You can boot your problematic Mac into Target Disk Mode as mentioned above. It is essentially an external hard drive now.
Then, you can enter the Disk Utility on the host Mac and fix the target Mac there. If it gets corrupted, your Mac won't boot as usual. To reset the data, you might need to grow extra fingers to finish this operation in that you need to press multiple keys simultaneously. If none of these steps resolve the problem, resetting SMC is the last solution before you reinstall macOS.
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You can just unplug the power cord for 15 seconds and plug it in later. Then you can press the power button to boot your Mac up after five seconds. If you upgraded the Mac operating system to a newer version, it could refuse to boot up normally, too. In that case, you can try to downgrade from Catalina to Mojave or any other earlier operating system. If you have exhausted all the solutions above and the Mac just won't boot, it seems that you can only reinstall the macOS in Recovery Mode, or factory reset your Mac to fix this issue.
Warning: The OS reinstallation in this circumstance will erase all data on your Mac computer, thus, you need to make sure you have recovered these important files with iBoysoft Mac Data Recovery. Nevertheless, if your Mac computer still won't start up after all these solutions, and what's worse, the startup disk is not even showing up in Disk Utility under Recovery Mode, it could be a serious hardware issue that makes your Mac unbootable.
In this case, you'd better send this dead Mac to Apple store to repair it. If you upgraded to the lastest macOS Catalina and have encountered some macOS Catalina problems , this article will be helpful. It talks about macOS Catalina problems including downloading, installing, apps not working, not booting, battery issues and so on.
Just like any other computers, Apple Macs can also stop working now and then. It may refuse to turn on, be stuck on loading screen, or fail to mount the macOS partition and so on. However, it's not the end of the world. There are still a lot of things we can do to troubleshoot the Mac startup issue, such as the 10 fixes listed in the article. What's more, you can still retrieve your data from the unbootable Mac through your backup copy. Without backups? Katrina is a data recovery expert iBoysoft who loves to help readers solve various data recovery problems.