I was using my surface and it got the low battery notification so I went to get a charger and when I plugged it in the light on the charger flickered and surface didn't charge. The problem isn't the charger (I tested it at Microsoft store). I then ordered a new power plug and opened surface and installed the new one. When I tested it again, it still didn't work. I have tried disconnecting the battery, still nothing. If anyone has any idea what the problem could be, help would be very much appreciated.