Q: Semi-New Macbook Pro 17" suddenly dark; won't reboot all the way
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May 3, 2013 11:05 PMby Paul_31,HelpfulTry booting into the Recovery HD and running Disk Utility:
Restart holding Command + r, select Disk Utility, select Macntosh HD, click 'repair disk'. If anything gets changed click on repair disk again until you get a clean pass and then reboot as normal from the Apple menu.
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May 4, 2013 2:01 PMby Eric Root,You can also try a reset.
Restart the computer holding down the command - option/alt - P - R keys before the grey screen appears. Continue to hold until you hear the startup chime for the second time.
Try an SMC reset. The article covers when this is required, but doing this will not affect anything.
If the problem is still there, try booting into the Safe Mode. Shut down the computer and then power it back up. Immediately after hearing the startup chime, hold down the shift key and continue to hold it until the gray Apple icon and a progress bar appear. The boot up is significantly slower than normal. This will reset some caches, forces a directory check, and disables all startup and login items, among other things. If the system operates normally, there may be 3rd party applications which are causing a problem. Try deleting/disabling the third party applications after a restart. For each disable/delete, you will need to restart if you don't do them all at once.
General information.
Troubleshooting Permission Issues
