Deze gebruiker heeft hun profiel nog niet ingevuld.
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All you have to do is: 1. Boot from Catalina or Big Sur USB drive 2. Click on your boot drive (left pane) 3. Click on ‘Unmount’ on the top right header icon 4. The drive will be greyed out when unmounted… may have to do several times… it does not happen quickly 5. Right click on greyed out drive in left pane 6. Click on ‘Convert To APFS’ 7. Wait until done… about 30 seconds
