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    Optiplex 780 SFF no POST

    IT Discussion
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    • D
      danno @scottalanmiller
      last edited by

      @scottalanmiller No beeps unless memory is removed. Otherwise, high fan speed, indicator 2 and 4, no video.

      scottalanmillerS Reid CooperR 2 Replies Last reply Reply Quote 0
      • D
        danno @Reid Cooper
        last edited by

        @reid-cooper expired

        Reid CooperR 1 Reply Last reply Reply Quote 0
        • scottalanmillerS
          scottalanmiller @danno
          last edited by

          @danno said in Optiplex 780 SFF no POST:

          @scottalanmiller No beeps unless memory is removed. Otherwise, high fan speed, indicator 2 and 4, no video.

          Sounds like the memory or memory controller might be burned out.

          Do you have another machine with any memory that can be swapped in to test?

          1 Reply Last reply Reply Quote 0
          • Reid CooperR
            Reid Cooper @danno
            last edited by

            @danno said in Optiplex 780 SFF no POST:

            @reid-cooper expired

            That's too bad, was worth checking, though.

            1 Reply Last reply Reply Quote 0
            • RojoLocoR
              RojoLoco
              last edited by

              Not sure which generation you have, but here is a link to all the light codes and beep codes:

              https://www.dell.com/support/article/us/en/04/sln284978/a-reference-guide-to-the-dell-optiplex-diagnostic-indicators?lang=en

              1 Reply Last reply Reply Quote 1
              • Reid CooperR
                Reid Cooper @danno
                last edited by

                @danno said in Optiplex 780 SFF no POST:

                @scottalanmiller No beeps unless memory is removed. Otherwise, high fan speed, indicator 2 and 4, no video.

                What are the beeps that you do get when the memory is removed?

                D 1 Reply Last reply Reply Quote 0
                • RojoLocoR
                  RojoLoco
                  last edited by RojoLoco

                  0_1510092538018_dell light codes 2-4.png

                  I'm guessing the graphics card is integrated on an SFF.

                  D 1 Reply Last reply Reply Quote 0
                  • D
                    danno @RojoLoco
                    last edited by

                    @rojoloco Yes, it is integrated. I don't have a pci express to test, but I am not sure if it will post anyway with the video error.

                    1 Reply Last reply Reply Quote 0
                    • scottalanmillerS
                      scottalanmiller
                      last edited by

                      Reseat the minimum amount of memory, see what it does.

                      D 1 Reply Last reply Reply Quote 0
                      • D
                        danno @Reid Cooper
                        last edited by

                        @reid-cooper 122

                        Reid CooperR 1 Reply Last reply Reply Quote 0
                        • Reid CooperR
                          Reid Cooper @danno
                          last edited by

                          @danno said in Optiplex 780 SFF no POST:

                          @reid-cooper 122

                          DMA initialization failure

                          1 Reply Last reply Reply Quote 0
                          • D
                            danno @scottalanmiller
                            last edited by

                            @scottalanmiller Tried that. Also cleared cmos. No change. Still black screen, high fan speed, solid green power light, and indicator 2 and 4 lit.

                            1 Reply Last reply Reply Quote 0
                            • Reid CooperR
                              Reid Cooper
                              last edited by

                              Do you have anything plugged into that box that could be removed? Any extra cards, USB or anything like that? If so, remove them.

                              If not, likely the mobo is dead.

                              D 1 Reply Last reply Reply Quote 0
                              • D
                                danno @Reid Cooper
                                last edited by

                                @reid-cooper Nothing else plugged in.

                                1 Reply Last reply Reply Quote 0
                                • Reid CooperR
                                  Reid Cooper
                                  last edited by

                                  I think that likely the desktop is just dead, then. unless you can acquire a replacement motherboard, of course.

                                  D 1 Reply Last reply Reply Quote 1
                                  • D
                                    danno @Reid Cooper
                                    last edited by

                                    @reid-cooper I tend to agree. I will look for something.

                                    1 Reply Last reply Reply Quote 0
                                    • Reid CooperR
                                      Reid Cooper
                                      last edited by

                                      Probably worth retiring that box. How old is it?

                                      D 1 Reply Last reply Reply Quote 0
                                      • D
                                        danno @Reid Cooper
                                        last edited by

                                        @reid-cooper I think its a 2013. I use(d) it for a ltsp server.

                                        Reid CooperR 1 Reply Last reply Reply Quote 0
                                        • Reid CooperR
                                          Reid Cooper @danno
                                          last edited by

                                          @danno said in Optiplex 780 SFF no POST:

                                          @reid-cooper I think its a 2013. I use(d) it for a ltsp server.

                                          Not ancient, but might be time to retire it.

                                          D 1 Reply Last reply Reply Quote 0
                                          • D
                                            danno @Reid Cooper
                                            last edited by

                                            @reid-cooper Maybe I can find a cheap mobo and give it a few more years. Thanks for the insight!

                                            1 Reply Last reply Reply Quote 0
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