Upon startup i must unplug the re plug in my USB keyboard to enter password. it will wake up the mac mini though.
Mac mini (Late 2014), OS X Yosemite (10.10.3)
Posted on Apr 12, 2015 11:59 AM
Q: keyboard freezing
Reset the SMC and NVRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
About NVRAM and PRAM
Disconnect other USB peripherals before bootup since maybe a problem with one of them
Try another KB. Maybe a bad KB