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The green lights on the motherboard indicate that power is getting to it.
Make sure that you did not pull or disconnect the CMOS battery.
Also, on the back of the computer there should be 4 indicator lights labeled A, B, C, and D.
If you can tell me if they are lit and which ones, it should help.
You appear to be offline.
In the mean time I will switch this to a Q&A format question so you can come back to it at any time. I will also be notified when you make a posting.
That indicates a serious hardware issue.
You will need to call Dell 1-877-293-1197.
I am sorry, I wish I had better information for you!
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