Posted 2/13/2018 19:02 (#6575894 - in reply to #6573983) Subject: RE: Computer wont work.
Western-Central Lower Michigan
What model # is the Optiplex. I also second checking the RAM, just loosen and re seat it.
On the back of the machine(or maybe on the front depending on the model), there is usually 4 leds in a row. Pay attention if any are green or orange. There is some info in the Dell literature online.