What if the laptop plugs into the power supply but only the battery?

Laptop power plug plugged in, but can not power the computer; Power is plugged in, restart the computer, are connected for a moment, and then again show only battery power; is the adapter broken or is there a problem with the motherboard?

1, first make sure that your adapter light is on, indicating that your adapter may be good;

2, if you open the battery maintenance mode, such as the icon in the

3, then, basic you can rest assured that it is not your hardware out of the question. This is only, the computer automatically let the battery discharge, carry on the maintenance of the battery, basically drops to the electricity 75% or so, everything will return to normal ... (Of course, do not rule out the problem of the computer, but you can not panic first)