Fix slow startup after utility disk repair on a SSD
The problem may arise because the Disk Utility did not correctly finish the repair of your disk, and by doing so did not give back the boot flag to your SSD.


Go to System Prefences &gt; Startup Disk and select your SSD as a Startup Disk
Try to reboot and see if it changes anything


Else, read this thread with many different, quite helpful inputs:


  https://discussions.apple.com/thread/4550751?start=0&amp;tstart=0