Mac Book (end 2008) not dΘmarre after upgrading to El Capitan 2016 (1511.3.1)

Mac Book (end 2008) not dΘmarre after upgrading to El Capitan 2016 (1511.3.1) in order to prepare for Sierra

I tried safe mode > disk utility, which took a lot of time and the disc seems to be OK.

Extensions have nucleuses, almost all these .kext, but I'm not able to get rid of them.

-What do you mean by? "Extensions have nucleuses, almost all these .kext, but I'm not able to get rid of them."?

Did you delete anything?

-The Mac can't you start mode (boot with the SHIFT key) safe?

-Try to reset memory NVRAM/PRAM and SMC

MacIntel: Reset of the controller (SMC) system management

https://support.Apple.com/en-us/HT201295

Subject of memory NVRAM and PRAM

https://support.Apple.com/en-us/HT204063

-Try to start safe mode

OS x: what is Safe Boot, Safe Mode?

https://support.Apple.com/en-us/HT201262

-Start to recovery and repair the startup disk

OS X: on OS X Recovery - Apple Support

https://support.Apple.com/en-us/HT201314

-If it is repairable reinstall the OSX

How to reinstall OS X on your Mac - Apple Support

https://support.Apple.com/en-us/HT204904

-If you do not have a backup using disk utility to restore the internal drive to an external drive, so that you can try to recover the data.

Format the boot disk and then do a fresh install of Mac OS x

Tags: Mac OS & System Software

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