My apple mac wont turn on

Ailsa Law ailsalaw. You can also hold down fn-ctrl-cmd and the power button, it's the only thing that works on my mac when it just shuts down and becomes completely unresponsive even though the battery is full. Holding down the power button for 10 seconds and the p and r key thing don't work and don't feel comfortable opening the back. Show 16 more comments. I am in Montreal on a business trip, and fortunately there is an Apple Store two blocks away that opened at 8 this morning.

Turns out I brought a 65 watt charger with me.

MacBook Pro suddenly dead and does not turn on

It did resurrect at the Apple Store on an 85 watt charger. February Krishna Murti. Unfortunately I had the same issue. I tried all the options, however nothing worked. I was told by apple care that there was a liquid found in the motherboard and hence it happened. It still does not seems to be a convincing reply to me. Seems to me it could be the moisture formed on some part in motherboard which could have caused it. Siddharth Patil buddha. The battery died while the laptop was left running and it wasn't powering bank on. None of the reset key combinations suggested would power it on.

I then put it back to sleep by closing the lid and connecting the battery back in. I indeed seem have an issue with the power button but as long as I maintain charge in the battery I don't have to use the power button, I can just easily continue to put it to sleep and waking it back up using just the lid.

Oh and I can also restart without any problems. It's only when I let battery die, or shutdown, that I have to open laptop, disconnect the battery, and repeat the process. Select a Language: Help Translate iFixit. Back Answers Index. Madhu madhu15 Rep: Hello, My Macbook Pro suddenly shut down and is not turning on, no chime, no apple logo.

I opened the mac and saw no visible corrosion or moisture two tiny dots below the battery case are white and haven't turned red I have tried the following already. Disconnected and reconnected the battery connector - still no life. Thanks a lot! View the answer I have this problem too Subscribed to new answers. Is this a good question? Yes No. Voted Undo. Score Disconnect the battery, then the keyboard, then plug in the charger and see what happens.

If this doesn't work, remove the logic board and check the bottom for liquid damage. Alas, nothing happened: The All-New. The high performance electronics repair kit. Browse Our Store. Most Helpful Newest Oldest. Chosen Solution. Reece reecee Rep: If not, choose Reinstall macOS from the menu. Follow the onscreen guide to complete the installation.

But they can still run into problems. Explore more about: Your email address will not be published. I am using a MacBook Air model. A month back it started giving me the problem of booting up. I saw your link and it helped me. Now again i am having problem of boot.

Tried all the functions. MacBook stared but hangs, then again boot problem. Did all the things. But still same problem. Sometimes it turns on then hangs after 2 minutes and sometimes, screen shows flickering. I think its the time to take it to Apple Service Centre. My macbook pro mid was okay the night before until I tried to switch it on the next morning. I discovered it wouldn't turn on even after many trials to get it to start. I left it for some time and came back to it but still had the same issue.

Its working fine now and I appreciate that your site could help. Thank you so much.


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Mid MacBook suffered what seemed to be a too fast battery discharge on normal usage. Changed battery, new one appeared to have low capacity value. Changed for another new battery, seemed to have greater capacity according to System Parameters software and much greater discharge time. Went through Battery Calibration process.

2. Run a Power Cycle

All seemed well. Installed remaining battery screws and back cover. Tried to start up; nothing. No light, no fans, nothing. Removed screws until the last known working conditions were duplicated; no change. Went through all processes suggested in above article, still nothing. Battery voltage at first 9-pin motherboard connector is Anyone have any suggestions?

What to Do When Your Mac Won’t Start Up

It did not resuscitate. Thanks for the tips. Memory is fine. The SSD is fine. But my Macintosh HD partition the whole drive cannot be repaired, evidently. I am not sure what the problem could be. My mid MacBook pro will start and boot up but only after about minutes of holding and releasing the power button. It works fine after it finally starts. It gets power just fine and I can see the power light come on everytime I hold and release the power button. I have no idea what to do. Please help! My MacBook Pro was brought to life again. After it tried rebooting after an update, it wouldn't turn on again.

Just a very short "bssshhhhrrrttttffffrrrpppp" the sound it makes at boot up, like it's about to throw up and the front indicator went out again. My Mac Pro worked until I updated the os to high Sierra. The Mac kept displaying something to do wth ICloud. When it is switched on the screen awakens, the Apple logo appears, the progress bar starts, very very very slowly proceeds but that is as far as we get. No further. You might consider reinstalling the operating system.

That should provide a boot up menu either from your computer HD or another HD that you use as a backup. Options should include restoring a prior backup or reinstalling the operating system. Some of these options may delete personal files so use at your own risk. Thank you so much for your website! Awesome stuff! Your instructions were really instructive and clear. Just by following your steps, I managed to get my crashed macbook back to health very fast well, 3 hours, but that is faster than sending it to the Apple workshop.

Thank you so much! I turn off myMacBook Pro and when I turn back on, I get the apple with black line inching its way to the end. Gets to the end and does nothing. I ran the hardware diagnostics and it said No Problem found. Me too. Disk First Aid showed my hard drive as being completely full. I'm going to try and delete some files and see what happens. Reset the SMC and the PRAM as you suggested above on my daughters 'dead for a year' macbook pro and it is currently running and happily backing up its files.

We shall see how stable it is before jumping for joy! Using a MacBook I know only 2 yrs old! Last week it shut off while I was using it. Thought a power glitch, restarted but it was stuck in a loop. Moments after showing the Apple ID screen, it shut off, sounded the chime and over and over it went. Tried all the suggestions you recommended. Files all said ok, only problem it said was an issue with the camera.

Yea it booted up and I saved data to a jump drive. Worked fine for several days then it shut off again. Now none of the above have an effect - just chime and loop. Took it to India this summer had a few power glitches there, destroyed a kindle fire and curling iron, scared something happened to my Mac.

It has had a few problems since I got back, had to reinstall Office. Any help, please.? Thank you so much for this article. I have never heard of you or this website, but a quick Google search on my phone led me here. I had physically shut my laptop while installing the new update. This saved me valuable hours and a trip to the apple store. I am typing this review on my laptop now because of you.

Again, thank you a bunch. Great article. Thanks to this article I was able to open recovery partition. My main drive macintosh was grey and I could not run first aid on it. It also wasn't listed as a location to reinstall OS. I am backing up right now just in case this happens again! Macbook pro 15" retina, purchased in fall of for anyone interested. Hi thank you for an excellent article. Nice to see a Vancouver ite so active.

1. Check If the Mac Has Power

My problem is with a Mac desk top but the suggestions you make apply to the top as well. I found the s that came with the computer. I put in the Hardware disk and sure enough, miraculously, after pressing ''D key up came the Hardware Test screen. I pushed the Test box button and left the computer to do its test. After 4 hours the progress bar was within a centimeter of the end. But there it stayed even afetr leaving it overnight. What to do now?

Any ideas would be most appreciated. Retired Apple Certified Tech. A friend's 15" MBP non-removeable battery would only flash led for a second and run fans for a second. Thanks much. You made me look smrt. Hi, thank you for posting this.

Older MBP. I was getting anxious as I tried everything until I got towards the bottom of the list. The recovery partition worked! I used a recent time machine backup. I fixed myself although only with the guidance of your article. Thank you for sharing this. Not sure which one worked but my mac is back- thanks for a great article - best I read on the web.

I thought I tried everything to get mine to turn on and found this article and did the holding down the power button 10 seconds twice and then the third time plugged the power cord in and pressed the power button and it finally booted up! Thank you for the trick!! Unplug the battery. Unplug the MagSafe power cable. Hold down the power button for about 10 seconds and continue to do that.

While still holding the power button down, insert the MagSafe power cable and hold it for another 10 sec. And it started right up. I thought that was a crazy thing to do and how did anyone ever discover that it worked??? But it sur did the job on this laptop I managed to switched it on, where my user login logo appeared, but then a loading bar would appear and just freeze. Then I found your link, which made my day! Happy Mac again. Thank you!! Thank you for posting this: I chose a time machine backup, which is now underway I updated it to macOS Sierra yesterday night and left it be, when I opened it the next day it wouldn't continue starting up.

On a modern MacBook without a removable battery, press the Power button and hold it down for ten seconds. If your Mac is running, this will forcibly cut the power to it and force it to restart. On a Mac desktop iMac, Mac Mini, or Mac Pro , unplug the power cable, leave it unplugged for ten seconds, and then plug it back in.

In some cases, you may need to reset the system management controller SMC firmware on your Mac. On current MacBooks without a removable battery, plug in the power cable. Release all four buttons at the same time, and then press the Power button to turn the Mac on. On MacBooks with a removable battery, unplug the Mac from its power source and remove the battery. Press the Power button and hold it down for five seconds. Release the Power button, reinsert the battery, plug in the Mac, and press the Power button to turn it back on.