Look into that to see where the problem may lie, then consider getting some professional assistance if you're unsure. Sometimes, though, you’ll need to reset the SMC and PRAM. And then it shutdown again. Put the battery back in, reconnect the power cord, and turn the Mac on normally. my review here
Wait 15 seconds and plug it back in. All data collected in the survey is anonymous. Loading... Reply Marta January 22, 2015 at 5:39 pm I have a Macbook Air and the problems consistent with problems in the SMC. https://discussions.apple.com/thread/5258095?tstart=0
Release all three keys at the same time. I don't know which one it was, but I alleviated the problem by plugging in a USB keyboard. Please share any new information you might have. Battery indicator lights, if present, behave incorrectly on Mac notebooks that have a non-removable battery.
Press the power button, hold it for 5 seconds, and then let go. Plug in the power adapter. Good to Know While you shouldn’t have to reset the SMC or PRAM on a regular basis, it’s still good to know what they do and how to go about fixing Reset Macbook Air The system has been up for a bit and it's like I have a new iMac again.
Time for a new keyboard...........at least I'm still under AppleCare! Reset Smc Macbook Pro Retina Author of Create Your Own Blog, Using WordPress, & Teach Yourself Foursquare in 10 Minutes. The ONLY thing I did before it went wrong was to go into Display settings in Windows and change what was the main screen. https://support.apple.com/en-us/HT201295 Otherwise, something else besides the residual power in the motherboard is causing it.
Reply Dann Albright March 12, 2015 at 7:41 am Hm . . . System Management Controller iFixit: Repair Manual Official App Free – Google Play Install Select a Language: 中文 日本語 Deutsch English Español Français Italiano Nederlands Português Русский язык Türkçe Machine translation Help Translate iFixit Close All Rights Reserved. I have tried the PRAM reset ? (CMD ALT P R) but same bar again....
I used it for typing in my username and password, and NOT the standard keypad. http://www.makeuseof.com/tag/reset-macs-smc-pram/ Powered by vBulletinCopyright ©2000 - 2016, Jelsoft Enterprises Ltd. Macbook Reset Pram Though I have to say that you've been able to keep a Macbook running for 9 years! Reset Smc Macbook Pro 2011 Lots of steps for something that will take, oh, 10 seconds to do.
Reply Dann Albright November 12, 2016 at 11:04 pm That's very strange. http://europrolink.com/macbook-pro/optical-out-not-working-macbook.php press and release the power button and computer turns on 7. You saved me so much time and money and Apple-related stress, this was the only thing that worked! the odd thing is though is that it only outputs through the optical connection i had connected before the problem started. How To Reset Macbook Pro To Factory Settings
So, when all else fails, remove power supply, take the battery out, hold down the power button for 5 secs and put battery back in, plug in power supply and restart. As a reference here's the Apple T/N: Reset the System Management Controller (SMC) on your Mac. Create an account EXPLORE Community DashboardRandom ArticleAbout UsCategoriesRecent Changes HELP US Write an ArticleRequest a New ArticleAnswer a RequestMore Ideas... http://europrolink.com/macbook-pro/pdf-not-working-on-macbook-pro.php Apple Hardware Apple Desktops Apple Notebooks Apple TV Other Hardware and Peripherals Developer Playground iOS Development OS X - Development and Darwin « Previous Thread | Next Thread » Thread Information
I paid someone to try and fix it (he mentioned replacing the hard drive) but all he did was wipe everything, including my serial number again). Macbook Pro Won't Turn On But your hint on the weirdness of the Mac's behavior was a clue to try this... You must press this key combination before the gray screen appears.Continue holding the keys down until the computer restarts, and you hear the startup sound for the second time.Release the keys.Resetting
Stuff like drives not appearing, screens not adjusting correctly, Bluetooth problems, AirPort non connecting? Thanks! Sometimes the PRAM does get wonky, hence why you need to reset it now and again. Restore Macbook Pro Power The computer doesn’t respond to the power button when pressed.
Start! We'd love to know a bit more about our readers. Let go of the keys and let your Mac reboot normally. http://europrolink.com/macbook-pro/password-for-macbook-pro-not-working.php Reply Fred March 10, 2015 at 5:39 pm Hi All & Nick I have to say I have exactly the same problem......
What is supposed to happen? Is there a different way to do the PRAM and the SMC reset? Did the PRAM thing a few times and while it didn't eliminate the problem, it helped significantly and made the mac usable again. Desktop Macs: Disconnect the power cord (either from the Mac or from the AC outlet).
Aug 23, 2013 12:27 PM Helpful (2) Reply options Link to this post by hyr,Solvedanswer hyr Aug 23, 2013 8:09 PM in response to hyr Level 1 (0 points) Aug 23, This is a great computer but the problems driving me crazy. If you can get your system to boot up you could try checking your systems firmware using this Apple T/N: About EFI and SMC firmware updates for Intel-based Mac computers I I've used PRAM many a time (especially in the days of the 7200s) but the SMC was the perfect fix for a student laptop today.
Remove the battery.