Q: macbook pro won't start - apple logo and rotating cog
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Apr 27, 2013 9:52 PMby kennyg1156,Have you also tried holding down at the same time the without quotes "Command and R keys" at the same time? If you have not!, then make sure that you turn off the laptop, and then before turning back on your laptop hold those keys down and then turn on the laptop, but make sure you keep them held down until you get to the "grey screen", and then choose "Disk Utility" and see if your hard drive is showing "mounted" and also run the hard drive test. Ok. If still issue take it into Mac store.
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Apr 28, 2013 11:40 AMby seismicasualty,OK I started mac from disc, unmounted the disc from the terminal, clicked 'repair' and got message:
'Disk Utility can't repair this disc. Back up as many of your files as possible, reformat the disk, and restore your backed-up files'
However, the menu within DU only says 'erase' but not reformat. So do I click 'erase' then? Is 'erase' the same as reformat?
Thanks
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Apr 28, 2013 12:17 PMby sanjampet,seismicasualty,
Here are the steps.
Make sure you have a back up.
See the following for erase
http://support.apple.com/kb/HT3910
Reinstall OSX from install disk and do software updates.
See next step for data:
http://support.apple.com/kb/HT4500
Hope this helps,
Best
