I get "startup disk" when i start my computer, i enter, then...nothing, the screen is grey. What can I do?

I Turn on my mac air 13" . I get : startup disk is full . I access the device, then the screen turns grey. What happened? what can I do?

Go step by step and test.
1. Start up in Safe Mode.
    http://support.apple.com/kb/PH11212
2. Empty Trash.
   http://support.apple.com/kb/PH13806
3. Disk space / Time Machine ?/ Local Snapshots
Local backups
   http://support.apple.com/kb/ht4878
4. Delete old iOS Devices Backup.
    iTunes > Preferences > Devices
    Highlight the old Backups , press “Delete Backup” and then “OK”.
    http://support.apple.com/kb/HT4946?viewlocale=en_US&locale=en_US
5. Re-index Macintosh HD.
    This will take a while. Wait until it is finished.
    System Preferences > Spotlight > Privacy
    http://support.apple.com/kb/ht2409
6.Try OmniDiskSweeper. This will give the storage size details of the items.
   https://www.omnigroup.com/more
   Select Macintosh HD and click “Sweep Selected Drive” at the bottom.
   Delete the files you don’t want to keep.
   Be careful. Delete only the files that can be safely deleted.

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Hello, I have a macbook air Mac OS 10.10.1 I download java because i need to use Facebook video chat, I already had java. now the computer is telling me overtime i start my computer that i need to download a java complement. what can i do?

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Hi AnibalG,
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-> Update Firefox to the latest version 10
* [[Installing Firefox on Windows]]
Perform the suggestions mentioned in the following articles:
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Check and tell if its working.
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I am getting an AccessControlException when I start weblogic server 5.1

hi folks,
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Wed Aug 23 10:04:34 PDT 2000:<I> <WebLogicServer> Invoking T3StartupDef
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at
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at
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Compiled Code)
at
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led Code)
at java.util.Locale.setDefault(Locale.java:340)
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at weblogic.t3.srvr.StartupThread.doWork(StartupThread.java,
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at
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This looks like a policy file problem. You have run into one of the worst
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Thanks,
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Michael Girdley
BEA Systems Inc
"sg" <[email protected]> wrote in message
news:[email protected]..
hi folks,
I am getting an AccessControlException when I start weblogic server 5.1,
this is the exact message
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LocaleSe
tup com.flutter.startup.LocaleSetup with {}
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java.security.AccessControlException: access denied
(java.util.PropertyPermissio
n user.language write)
at
java.security.AccessControlContext.checkPermission(AccessControlConte
xt.java, Compiled Code)
at
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Compiled Code)
at
java.lang.SecurityManager.checkPermission(SecurityManager.java, Compi
led Code)
at java.util.Locale.setDefault(Locale.java:340)
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at
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Compiled Co
de)
at
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weblogic.system.startupClass.LocaleSetup=com.flutter.startup.LocaleSetup
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My mac book startup disk is full and when I start it, it give me a blank blue screen. I have tried the shift and I started in safe mode, and it gave me the stars screen. How can I delete files to fix the problem

My mac book startup disk is full and when I start it, it give me a blank blue screen. I have tried the shift upon start
and I started in safe mode, and it gave me the stars screen. How can I delete files to fix the problem

1. Start up in Safe Mode.
    http://support.apple.com/kb/PH11212
2. Empty Trash.
    http://support.apple.com/kb/PH10677
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4. Delete old iOS Devices Backup.
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    http://support.apple.com/kb/HT4946?viewlocale=en_US&locale=en_US
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Getting Startup Disk Full message since downloading new Safari update

I downloaded the new Safari update a few days ago… it took ages to do and whenever I now try to use Safari I get the Pinwheel of Death after about two minutes and then a message telling me my startup disk is full. It won't let me acknowledge the message or force-quit from Safari – I have to switch off at the button and restart.
All I have on my MacBook are 15 Word documents and the Applications it shipped with (in fact I’ve actually dumped some in an attempt to clear space, as ell as dumping the cache folders)… I only use it to surf the net in the evenings and have no music or pictures on it.
I'm not having this problem at all when using Firefox. Is it possible the update has a bug?

You really need a bit more space than that, but try a bit of maintanance:
Repairing permissions is important, and should always be carried out both before and after any software installation or update.
Go to Disk Utility (this is in your Utilities Folder in your Application folder) and click on the icon of your hard disk (not the one with all the numbers).
In First Aid, click on Repair Permissions.
This only takes a minute or two in Tiger, but much longer in Leopard.
Background information here:
http://docs.info.apple.com/article.html?artnum=25751
and here:
http://docs.info.apple.com/article.html?artnum=302672
An article on troubleshooting Permissions can be found here:
http://support.apple.com/kb/HT2963
By the way, you can ignore any messages about SUID or ACL file permissions, as explained here:
http://support.apple.com/kb/TS1448?viewlocale=en_US
If you were having any serious problems with your Mac you might as well complete the exercise by repairing your hard disk as well. You cannot do this from the same start-up disk. Reboot from your install disk (holding down the C key). Once it opens, select your language, and then go to Disk Utility from the Utilities menu. Select your hard disk as before and click Repair.
Once that is complete reboot again from your usual start-up disk.

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Based on your description it is very hard to tell what is going on.
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My guess is that your external disks may have a version of OS X that predates the version supplied with your new iMac. You cannot run an earlier version of OS X than what was delivered with your Mac.

I am getting this message when I start Firefox ' files in your application's profile directory'. How do I resolve it?

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When I start my computer I get a "AppleSyncNotifier.exe Entry Point Not Found message. I also get an error message when trying to sync with iTunes that a backup session cannot be started. How do I fix this?

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With Windows Explorer, navigate to your C:\Program Files\Common Files\Apple\Apple Application Support folder.
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I get "startup disk" when i start my computer, i enter, then...nothing, the screen is grey. What can I do?

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