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hum 27 inch imac

  1. M

    Hum in 2017 27inch iMac

    Has anyone got an answer to annoying hum my 2017 iMac (2tb hard drive,i5) is producing scince I got it only a month ago? Just some background , it a low level hum which directly comes from the unit when the unit is on, the hum only stops when the iMac is in sleep mode. I have already taken it...