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what does circle with line through mean

My Mac wont log on. I just get the apple symbol and the wheel eventually it goes to a circle with a diagonal line through it.


I know this is bad, I have tried starting with the shift key held down but no good.


Very frustrated indeed.

Posted on Jun 9, 2012 12:26 AM

Reply
2 replies

Jun 9, 2012 12:47 AM in response to jontutts

Hi, it means it cannot boot from the drive it thinks it's suppossed to boot from.


Try holding Option or alt key at bootup, what choices are shown?


Could be many things, we should start with this...


"Try Disk Utility


1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.

2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu at the top of the screen. (In Mac OS X 10.4 or later, you must select your language first.)

Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.

3. Click the First Aid tab.

4. Select your Mac OS X volume.

5. Click Repair. Disk Utility checks and repairs the disk."


http://docs.info.apple.com/article.html?artnum=106214


Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.


(Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)


If 10.7 or more, reboot holding CMD+r down to boot from the Restore Partition, use Disk Utility there.


what does circle with line through mean

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