Carputer Problems

I guess the problem with dealing with used/old technology is that you never really know the cause of failure. My mac mini seems to have taken a puke for the moment and I’m not sure if it was me overloading it with power, powering it on and off too many times in a row, or the hardware just plain failed because it is 4 years old now and sometimes shit breaks. Anyways…I am a bit frustrated and looking at used Mini’s as well as alternatives to the mini…::SIGH::