I have got myself a HP laptop that has Windows Vista installed on it. I have updated the operating system to Service Pack 1 and now the battery of this laptop isnt charging at all. When i checked it, it was completely drained out and says that 0% available plugged in and not charging. I went to device manager and removed the Microsoft ACPI-Compliant Control Method Battery drivers and then installed it again by scanning for hardware change. I have also tried to unplug and plug the battery in the laptop, but that doesnt work either. What should i do to get the battery charging again in the laptop.