I've had this issue for a couple weeks now and haven't been able to fix it. I don't think it could be the battery considering I just bought my Dell Inspiron a couple months ago, I think it's caused by water damage to the charger but am not 100% sure and before going to get another charger I figured I'd come on here to look on how to fix it. I saw that some people have used the BIOS Update and it fixed it, so I went to try to do that but I cannot since it says the AC Adapter needs to be plugged in. Anyone have any tips that can help?