T450S does not start, button / stop flashes 3 times

I have a T450S which is a few months. It worked fine until the other day when it wouldn't turn on.

When I push the power button, the Green LED flashes three times. Then, the LEDs on the keys F1, F4 and Fn comes on for a few seconds and turns off.

Here is what I tried:

-Load for a long period.

-Remove the battery for an extended period.

-Remove the battery and now the power button for 60 seconds.

-By pressing the button in the hole reset of emergency.

Nothing has made any difference. Any ideas?

Update: I called Lenovo support and send it for repair.

Tags: ThinkPad Notebooks

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