Sounds like your hard drive is faulty: I recommend you hold down the D key or th...

hollerith on Dec 30, 2015 | parent | context | favorite | on: Major Linux Problems on the Desktop, 2016 Edition

Sounds like your hard drive is faulty: I recommend you hold down the D key or the Command and D keys while the Mac mini is booting to run the Apple Hardware Test. (One can replace the hard drive on that mini.)