Laptop does not - the power adapter light flashes three times? G62 b29SA

I was replacing the fan in my friend's laptop computer. I had a problem with the trackpad works not once I put back it together and this problem is not yet solved, but I have another problem that prevents me from getting more. Now when I press the button, the light power adapter (next to the socket for external power) flashes three times and that's it. It flashes three times, whenever I press the power button. It does this even with a connected external power supply (I'm sure it's supposed to just stay on constantly when the charger is plugged in but the power source I have is a universal set of one to 19 V - he was fed up with this trendy before but I don't know if it was taken in charge of it). Any advice?

I have the charger of my friend and now it starts very well. There seems to be a lot of sense for the three flashes based on my Internet research, but in this case, it seems that it is a way to indicate a low battery.

Tags: Notebooks

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