Some troubleshooting suggestions, remove stuff and try rebooting:
- Does removing the SSD change anything?
- Does it work with just one memory stick?
- Can you try different memory sticks?
If you’ve ruled out memory then the board pretty much has to be bad. (Power is obviously working or you’d get no lights.) We tend to have multiples of all these so we have lots of troubleshooting replacement parts on hand.
I did get a partial refund on one shuttle that ran super super hot. We still kept it and it was stable, but it was crazy how much hotter that one ran. Probably Intel’s fault, as there is definitely variance in required CPU voltage in each batch.