crwdns2934241:0crwdne2934241:0 Dan

crwdns2934249:0crwdne2934249:0:

What is your drive? Is it a HDD or SSD or a Fusion Drive? We might be able to get the performance back without backing off the OS.

You will need a external drive which needs to be setup as a bootable drive to run Disk Utilites.

crwdns2915684:0crwdne2915684:0:

open