You've got some troubleshooting to do.
Disassemble the unit -- it's not hard (IIR, just a few screws, and the whole thing comes apart).
Carefully inspect the area around the pram battery. Quite often, the battery has started to leak its guts all over the board. If the problem has not advanced too far, then a good clean might restore health.
Verify that the ram card is seated properly. It's not held in place particularly well, and so it could have worked loose during shipping. Try booting without the ram card to eliminate the latter as a source of trouble.
Generally, just perform a careful visual inspection. Quite often, that's all that is needed to find the problem.