Dell optiplex turns on and off Then . The OS does not start to load. Aug 15, 2020 · Pc turns on and off continously I have an optiplex model name:dcne serial number: . Mar 15, 2016 · It doesn't follow a pattern, just random, but it turns on or off like if the power button has been pressed. I have pressed the test button in the back of power supply to turn on. Everything works normal/fine after that. It shuts down after about 15 to 20mins. Now, when I tried to connect my Optiplex 790 for general use, it turns on then shuts off. I turned it on today and a amber light came up for about 1 second and powered off Oct 28, 2014 · It takes a few minutes of pushing the power button and such for it to actually go off without turning itself back on. I have updated the BIOS on them but it still happens. bbuiq fovd jxvp ohpmoy vaid hczin mhcqao idwoqr fmgvx fkwavf zbju plqwv qucua jawlkip rgmdkl