Dell Inspirion N1170 Battery plugged in but not charging

Seems like this is a common issue with these computers. Same thing happening to my computer.  My cord broke and battery needed replacing. Replaced both. I ended up flashing the Bios and it started charging the battery. Now after a day I am having same problem.  UGH!!!!!!! Computer is 2 years old. Bought all the fancy warrantees and now that they are expired now everything is falling apart. Not happy. Suspicious! Is it that after two years Dell's products fall apart? If I have to spend anymore money on this expensive piece of junk I am going to buy new and it wont be a Dell. So I hope this is an easy fix.