Brand in the package..
I had everything unplugged removed the old battery ,and held the power button for almost 60 sec.. then I put the new battery in, with the + on top....
In one of the previous posts, I followed it to a tee, and this included removing the battery and holding the power button..
With the machine unplugged I use a little pen knife to pop the battery out.. I may have shorted it, unknowingly..
If the "new" battery isn't dead then you damaged the clock circuit with static electricity, or broke the battery socket.
I may have done the above unknowingly..so what would be the answer now..
I think I should really find myself a good dell repair tech. and let them repair the machine.