This video shows you how to run a disk defragment/disk clean up/sector clean/verify disk . Basically how to do a preliminary fix up on mac . on the next video ill show you how to use disk warrior to remove errors after disk verify.
do u no how to fix The startup disk must be formatted as a single Mac OS Extended (Journaled) volume or already partitioned by Boot Camp Assistant for installing Windows. and i don't need a defrag
do u no how to fix The startup disk must be formatted as a single Mac OS Extended (Journaled) volume or already partitioned by Boot Camp Assistant for installing Windows. and i don't need a defrag
mesa339 3 weeks ago