Question No Power without battery

[ClaytonComputers]

I am working on a Dell Laptop that had no pwer. I took out cosmos battery and placed it back in and it fixed it however now when I put the lap top battery back on it dies. What is this a bad battery or what?

 

[ClaytonComputers]

UPDATE... Reset the battery drivers and got it working while the batter was in. However when I powered it down. it did same thing and now I have NO Power again