Has anyone's screen go blank and not boot up after installing the new yosemite OS

has anyone's screen go blank and not boot up after installing the new yosemite OS

Hi Mofimac,
Thanks for visiting Apple Support Communities.
If your Mac is only starting up to a blank gray or white screen after updating OS X, you can find some useful troubleshooting steps in this article:
Mac OS X: Gray screen appears during startup
I recommend going through these first three sections first:
Disconnect, test peripheral devices and network cables
Perform a Safe Boot
Reset the NVRAM / PRAM
Best Regards,
Jeremy

Similar Messages

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    After installing the new Yosemite OS on my iMac I can no longer send email. I can receive email, but not send. I use gmail and can send email on the gmail (google) site, but not on "mail" on my iMac. Any others with this problem? What should we do?

    My gmail, which is correctly configured for Mail with gmail SMTP and Google IMAP, works for awhile on Mail, which I leave open while working on other applications. But several times a day I get msg from Google: "We recently blocked a sign-in attempt to your Google Account" . . . and requiring me to verify my account details, re-enter passwords, confirm security settings (or change them from "disable" to "enable less secure methods" and so on). In Mail I also have tried "taking all accounts online", and re-entering my gmail password inside Mail account settings. These steps successfully re-set comms between gmail and Mail ... for awhile, then it happens again. Enough occurrences over a work day that I just quit Mail and revert to accessing gmail directly. Apple Care advisor and an Apple knowledge base article say that Apple can't deal with this, as gmail is third-party app, and they refer me to gmail, and so far I've found nothing helpful there.
    From today I also have several instances of a window saying "Mail has unexpectedly closed" and asking me to Re-open it.
    I also use Yahoo mail, which stops working with Mac Mail at the same time as gmail, but I do not receive notices to re-verify from Yahoo.
    I recently upgraded from Mavericks to Yosemite. The Mail problem happened occasionally with Mavericks but is far more frequent with Yosemite.

  • After installing the new Yosemite OS on my Macbook pro late 2013 touch trap has its own mind. Any others with this problem? What should we do?

    After installing the new Yosemite OS on my Macbook pro late 2013 touch trap has its own mind. Any others with this problem? What should we do?
    Even I tried to get back to Maverick but the touch pad doesn't work again. well, it works for a couple hours then start doing things but its own. it is so annoying.

    Hello josefromlaie,
    Thank you for using Apple Support Communities. 
    The following article provides some effective steps to troubleshoot trackpad issues:
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    Regards,
    Jeff D. 

  • My Firefox browser will not load since I installed the new Yosemite OS on my iMac. I'm I alone with this experience? Any ideas on a fix? Just asking.

    The Firefox application pops up but will not load . All I get is the spinning ball that I need to force close. Rebooting doesn't seem to help.
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    Hello BobbyRiley, any luck if you '''trash''' the current Firefox application to do a clean install ?
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    2. '''Trash''' the current Firefox application to do a clean install.
    3. Install the version that you have downloaded.
    Do not select to remove your personal data, your profile data is stored elsewhere in the [http://kb.mozillazine.org/Profile_folder_-_Firefox#Mac Firefox Profile Folder], so you won't lose your bookmarks or other personal data.
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  • TS1702 After installing the new software to my iPhone 4S , my dream zoo either will not start or when it does it has a blank screen that has a few icons on it that wont work. How can I fix this is it possible to go back and reinstall the older software ?

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  • When i select the Full Screen option in video streams (like youtube, veoh, anything like that) i can do that 1 time 2nd time the screen goes blank and can only exit it with the Esc button and then i have to restart firefox and again i have my one Full ...

    When i select the "Full Screen" option in video streams (like youtube, veoh, anything like that) i can do that one(1) time second(2nd) time the screen goes blank and can only exit it with the escape(Esc) button and then i have to restart firefox and again i have my one "Full-screen Ticket"

    I have had a similar problem with my system. I just recently (within a week of this post) built a brand new desktop. I installed Windows 7 64-bit Home and had a clean install, no problems. Using IE downloaded an anti-virus program, and then, because it was the latest version, downloaded and installed Firefox 4.0. As I began to search the internet for other programs to install after about maybe 10-15 minutes my computer crashes. Blank screen (yet monitor was still receiving a signal from computer) and completely frozen (couldn't even change the caps and num lock on keyboard). I thought I perhaps forgot to reboot after an update so I did a manual reboot and it started up fine.
    When ever I got on the internet (still using firefox) it would crash after anywhere between 5-15 minutes. Since I've had good experience with FF in the past I thought it must be either the drivers or a hardware problem. So in-between crashes I updated all the drivers. Still had the same problem. Took the computer to a friend who knows more about computers than I do, made sure all the drivers were updated, same problem. We thought that it might be a hardware problem (bad video card, chipset, overheating issues, etc.), but after my friend played around with my computer for a day he found that when he didn't start FF at all it worked fine, even after watching a movie, or going through a playlist on Youtube.
    At the time of this posting I'm going to try to uninstall FF 4.0 and download and install FF 3.6.16 which is currently on my laptop and works like a dream. Hopefully that will do the trick, because I love using FF and would hate to have to switch to another browser. Hopefully Mozilla will work out the kinks with FF 4 so I can continue to use it.
    I apologize for the lengthy post. Any feedback would be appreciated, but is not necessary. I will try and post back after I try FF 3.16.6.

  • I downloaded the new version and it has reverted to the old and will not let me re-install the new because it thinks it is installed

    I downloaded the new version of Pages and it has reverted to the old version.  It will not let me re-install the new version because it thinks it has it installed

    You have 2 versions of Pages on your Mac.
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    Pages '09/'08 can not open Pages 5 files and you will get the warning that you need a newer version.
    Pages 5.01 can not open Pages 5.1 files and you will get the warning that you need a newer version.
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    Once opened and saved in Pages 5 the Pages '09 files can not be opened in Pages '09.
    Once opened and saved in Pages 5.1 files can not be opened in Pages 5.
    Anything that is saved to iCloud is also converted to Pages 5 files.
    All Pages files no matter what version and incompatibility have the same extension .pages.
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    Apple has removed over 100 features from Pages 5 and added many bugs:
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    Archive/trash Pages 5, after exporting all Pages 5 files to Pages '09 or Word .docx, and rate/review it in the App Store.
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  • TS3276 Does anyone know the YAHOO authentication method and port? I recently installed the new OSX 10.8.2 software and my mac mail wont work.

    Does anyone know the YAHOO authentication method and port? I recently installed the new OSX 10.8.2 software and my mac mail wont work.

    Hello,
    I have no idea what you're talking about, however my Mail stopped working when I
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    My new Hotmail address works, and seems to get e-mail from the old e-mail address,
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    Apple Mail is linked to my Hotmail account of the old e-mail address.
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    Apple Mail will not accept my new password for ny new Hotmail account.
    Can someone help me solve this problem WITOUT COMPLICATED SOLUTION!
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  • Why has the sound gone all of a sudden after installing the new iOS 5.0.1?

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    Hi Guys,  I FIXED IT!!!!
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    Ok I like so many of you here truly believed this was as IO5 issue as it only dropped the sound on the speakers once that IO5 update came along.  I tried a bunch of reset, reboots, home clicks, lock and unlocks, to fix this and all failed.  some worked for an hour but then failed.  hours of my life that I will never get back.   but since I have learnt this is not a IO5 problem but a hardware issue! ...  and in paticualar is has to do with your bottom connection.  Your phone is thinking it is docked all the time.
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    2.  a tooth brush
    3.  methalated spirits
    4. a butter knife
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    step 2.
    Turn on your music app and put the speakers on!  If your phone is like mine it should not work.  you most probably don't even have the volume display to turn it on but its ok, just do it! and it should still play with no sound.   its important you try and run the speakers as this will show you that it is a hardware problem.
    step 3.
    Dip your tooth brush into some methated sprits.   then at your sink tap the exess metho out of your brush as you just want the brushes to be slightly damp, not soaking wet and then scrub the bottom connetiors on your iphone.  work the brush back and forward in a way that scoops the dirt out of the phone, not just pushing it side to side.
    (As you bushing you should notice the volume bar come back on or off as you scub.   This happened to me and that is how I realised I was on the right track to fixing this problem as I was doing something external that was actually controling when the volume display came on or off.   but once I cleaned it this still didn't fix the problem...)
    Step 4.
    Use the back side of a butter knife (not the sharp side) to gently slide over the connectors on the iphone.  Do this gently as you are only pushing down on the tiny metal contect bars and you should notice the volume display come on again.  slide it back and forward.  Now the area of interest is about 2/3 along the connection plate to the right.   This is the area that has the infomation sent when your iphone thinks its docked.
    This has worked for me and I have not had a problem since I did this 2 weeks ago.   I have since learnt that the new IOS 5 has activated a different part of the bottom conectors.  if you have been using dodgy connectors or unapproved apple cables (as I was)  any damage or hair and dirt on the terminal this is effecting it.  Try it.   just remember if you can do something external to your phone then there lies the problem.
    Hope this works for your phone as it did for mine. 
    Cheers

  • After installing the new IOS my iphone 4s won't charge and less I restart it. Why is appl this happening? and What is apple doing about this?

    After installing the new IOS my iphone 4s won't charge and less I restart it. Why is appl this happening? and What is apple doing about this?

    The iPhone has a hardware problem - with the battery or something else.
    The iPhone includes a one year warranty. If purchased new in October of 2012, it remains under warranty. Call AppleCare or make an appointment at an Apple Store if there is one nearby.

  • Anyone getting the constant pop saying to sign in with itunes up on their 4s after installing the new software?

    Whenever I open an application I get this annoying pop saying to sign in with itunes up on their 4s after installing the new software?  You have to press OK to make it go away but sometimes it doesn't and I have to reboot my phon

    have you signed into your Itunes account as it is asking?
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    If you have an icloud account you can now simply back up from your Iphone4 and not use your computer anymore

  • TS2755 I have iphone 4s and ipad.  Imessages are not sending or being received on the ipad but the iphone works.  All this happened after installing the new ios 6 a few  weeks ago.  I have tried others suggestions..still nothing!

    IMessages are working on my iphone 4s but not in ipad since I installed the new ios 6.  I have tried various fixes others have mentioned but i still cannot send or receive messages on the ipad.  Help?

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  • Replaced the hard on my Macbook and not sure how to install the Mac OS X . i HAVE BOTH DISK

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      1. Open Disk Utility in your Utilities folder.
      2. After DU loads select your new hard drive (this is the entry with the
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      1. Open Disk Utility from the Utilities folder.
      2. Select the destination volume from the left side list.
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    Since I have installed Lion on Friday, I have noticed that my MacBook Pro is very hot to the touch. Has anyone found this same issue?
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  • Why does my Illustrator or photoshop  are not want to open on my MacBook Pro now that I installed the new Yosemite operating system?

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