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!
1. Shut down your Mac
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.?
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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. 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 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: - My problem started this am with a very slow IMAC that has 16 RAM , and a time machine attached; - Several warm and cold reboots brought the system totally to its knees, and then it stopped rebooting half-way through the process; - option D during reboot brought me to an error screen D, maybe?
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. Please help. I can send you the picture of what it's showing me now. Been trying several tips but nothing is working. Remember the reason you wrote this article, and why I wasted my time reading it, was because my computer wasn't starting up.
Beeping sound after upgrading RAM. The old RAM work fine.
I reinstalled the OS as a clean install over the top of an install from Time machine. Problem is it won't wake properly from sleep. Sometimes I get the log in screen - where password is required - and having input the password the same screen the appears again, When I input password for the second time it then lets me in and generally gives me the pages left open when put into sleep mode.
It's so frustrating and bizzare behaviour. Disk utility tells me there is nothing wrong Any thoughts welcome. I did the power cycle tip too and it worked. Mine is a vintage one already. I used to leave it on Sleep mode most of the time while connected on the charger.
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I'm not sure if that was the reason why the second I open it, it won't boot successfully. I'm worried about the files I just transferred from my phone but thankfully it opened so I'll go ahead and retrieve them back for safety. Thanks again! I followed the power cycle reboot steps and got my mac to give me signs of life and then when it died in the middle of boot I restarted the process and plugged the battery in the middle because I only have a 60w power supply and needed an 85w.
I used the battery as a wattage boost in the middle and got my computer back up and running. Thanks for the guidance. My Mac Pro late , non removable battery behaves strangely. It does not switch on at all.
Mac Mini audio problems - CNET
Battery shows fully charged when I check by small side switch. Now, If I remove adapter connector, Mac starts up. But no chime. Before it completes booting it shuts down. Restarts on its own after sometime. On restarting same thing is repeated. Any suggestions please Black screen, L-type chord shows a charge going on orange light , fan whirring.
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. As a very last resort before taking the computer to an Apple store, you might try reinstalling the operating system using an Archive and Install method of installation. This will clear any core system software problems that may be leading to this issue.
Before doing this, however, you should try booting into Safe Mode by holding shift while booting up, and then repair permissions on the boot drive using Disk Utility. It may also help to download the popular "Onyx" system maintenance tool and run all the scripts available in that package. Be respectful, keep it civil and stay on topic. We delete comments that violate our policy , which we encourage you to read.
Discussion threads can be closed at any time at our discretion. Don't show this again. Computers Mac Mini audio problems A few people who have purchased the Mac Mini have noticed a variety of audio problems with the computers. The order is based on a combination of estimated time required and expected effectiveness after implementation.
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Meanwhile, read this checklist on how to speed up Macbook Pro. When to use: your Macbook Pro runs extremely slow on startup. Why it helps: because macOS treats each desktop item be it a file, a Dock application, or a Dashboard widget as a small task, it uses resources to load it when starting up.
Reducing the number of such items can make the first screen show up quicker. When to use: your Macbook Pro is running out of space, and it slows down or freezes more frequently. If your MacBook Pro is running out of storage, that means little virtual memory can be used by the system if needed. This may cause your Mac to freeze more frequently — even when you just launch a few apps. Note: if you want to save time, CleanMyMac is a nice tool for this purpose. It automatically detects and cleans extra junks that can take up gigabytes of disk space.
When to use: your Macbook has issues launching some applications, and doing so slows down your Mac. Why it helps: corrupted or damaged file permissions can cause certain applications to run abnormally or unable to run at all, thus affecting the overall Mac performance. How to do: check out this Apple support article or this YouTube video for a step by step guide. When to use: your web browser Safari, Chrome, or Firefox, etc. Why it helps: web browsers are notorious for dragging down computer performance after extended use.
By implementing the things below, you can expect a much smoother net surfing experience. When to use: your Macbook starts to run slower after opening several applications, but you have no idea which application is the culprit. Why it helps: Activity Monitor is a task manager on Mac that shows you both running applications and inactive processes. The list allows you to have a clear understanding of which one is devouring too many system resources CPU, memory, disk, network, etc.
SMC has roles in controlling thermal and power management on Mac. When to use: your Mac is still running an older macOS version e. High Sierra or Mojave , and you meet the basic requirements of the new upgrade — latest macOS Why it helps: a newer macOS version typically runs faster than an older one, though it depends on the model of your Mac machine. How to do: there are a few things you need to check before getting ready to update your MacBook to macOS Catalina.
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