How To Fix Mac White Screen
Some owners have noted an issue with Apple's latest MacBook Pro model early , where the machine will start up to the gray Apple logo screen without a progress indicator and freeze. Apple has also noted the issue, releasing a knowledgebase article to help with the situation.
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Apple has also noted the issue, releasing a knowledge base article to help with the situation. Apple Support Discussions forum user CoryCripita writes :.
Resolved: MacBook Pro Booting Stuck Halfway
One suggestion offered on the forum was to reset the PRAM. To do so, turn off your machine. Wait for the boot chime to ring three times and your machine will start normally. Apple has released a knowledgebase article to address some causes of this problem.
According to the article, the Mac booting to the gray logo screen "may happen if the computer starts up from the hard drive or from an external drive using the wrong version or build of the operating system. Later versions of Mac OS X will also work, but the article notes that using a version of OS X that was released before the computer will likely cause this issue. If a DOS-like white text on black screen pops up, you've done it correctly. If the problem is software-related, you can get your MacBook up and running again with a few troubleshooting steps.
MacBooks running OS X Safe Boot also disables any non-critical system processes and allows you to determine if your spinning wheel is the result of a new application causing problems on your system. Hold down the "Shift" key as soon as you start your MacBook. When the Apple logo appears, you can release the Shift key. Wait for your computer to finish running diagnostic tests and repairing the disk and permissions, if necessary.
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Then, reboot your computer normally to see if Safe Boot resolved your problem. Hold down "Command-R" until the Apple logo appears.http://checkout.midtrans.com/hombres-solteros-jaln.php
How to Solve MacBook Pro Booting Stuck Halfway Problem
When a list of options appears, launch Disk Utility and open the First Aid tab. In the First Aid tab you can verify and repair disk permissions and verify the hard disk. If the hard disk reports any errors, select the repair option to mark bad sectors of the hard disk and attempt to repair corrupted system files. Try starting your MacBook in single-user mode to run Terminal commands if you were unable to access Disk Utility.
Turn your MacBook on and hold down the "Command-S" keys. The command prompts the computer to conduct five phases of repair and then provides you with statistics on your disk use, fragmentation and whether the utility has altered, repaired or fixed any problems on your computer. If you get a prompt that the file system was modified, you need to type the command into the command line again until your disk has been repaired.
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