MBP stops at the screen without the possibility to insert the connection password

Mid 2012 rMBP, following key power the log on screen is displayed, but even if the mouse/trackpad is active there is no active option to insert my password to continue the boot process, a reboot of the PRAM sometimes cure the issue, but on the next startup the problem remains. Is it a warning of a more serious problem or is there another process, I can do to cure the issue?

It may be just a corrupted preference or a cache file. I would first do a Safe Mode boot and then restart your computer normally. This is going to take longer than a usual start just so be patient. This clears and regenerates a few system caches. If that is not enough then I suggest that you try to reinstall OS X. If you no longer have your Installer to Yosemite, then see this: How to reinstall OS X on your Mac - Apple Support.

Tags: Notebooks

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