Mid 2010 Model A1278 / 2.4 or 2.66 GHz Core 2 Duo processor

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Why wont my laptop boot

when I turn on my laptop it chimes, the apple logo displays on screen and the progress bar starts to work but only gets a little way along then the computer shuts down. I started it in safe mode and typed in fsck -fy then I hit the return button and waited for the computer to sort itself out. The last sentences in the display says:

incorrect block count for file default counts (it should be 18 instead of 0)

**the volume macintosh HD could not be verified completely. :/root#

I then put in reboot and it does the same thing on start up

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try to boot from other hdd to see if the problem in the hdd!! and you can do a pram reset it help.

good luck


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Disconnect the hard drive then see if it will boot from the original system installation disk.

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