Hello, I have a Dell Precision M4500 laptop which stopped recognizing the battery a couple months back. I have had the laptop for one year now with absolutely no problems up until this happened. I am pretty sure the battery is still good, it's not that old, but since the computer wont even recognize it is in, there's no way to check if it can charge. I am running Windows 7 64 bit. Any help with this would be greatly appreciated, maybe there is a fix before I have to shell out the money for a new battery.