Replaced 8 yr old iMac with new mini Mac. Lots of issues at firstOnly 2 USB portsiPad can’t syncBluetooth speaker could not pair.Bluetooth mouse would not pairPrinter was not recognized  Resolved all of these issues except still can’t sync my new iPad otherwise mini is running smoothlycontacted apple support but they could not fix however later that day sync started to work ?? go figure  05/09 when I connect an external hard drive mouse freezes? Photos mysteriously appeared on my iPad without syncing. iPhoto had duplicate and some triplicate or more duplicates. Problem may be with iCloud so I turned it off and restored ipad and photos to how I wanted them. Music file disappeared again from the computer but I was able to restore it from my backup. 05/10 everything working ok except the mouse issue.