MacBook Pro keeps shutting down

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My MacBook Pro Retina 2015 keeps shutting down every time I turn it on. It happened a while ago and I called apple support up and they sort of fixed it by telling me to reset something. But it's happened again. It started when I was just using my Mac and then a window popped up saying 'are you sure you want to shut down' and I am 100% sure I didn't click shutdown. I them click cancel and it just shuts down anyway. It happened a few times after that and now even when I power it up it gets to about a quarter of the way through the loading bar with the apple logo above it and then just shuts off. Could someone please help me.

Cheers

 

[T5BRICK]

You still have warranty. Take it in to Apple.

 

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You still have warranty. Take it in to Apple.

I will, but can't go until Monday as I'm working all weekend so was wondering if anyone knew of how to fix this.

 

[T5BRICK]

I will, but can't go until Monday as I'm working all weekend so was wondering if anyone knew of how to fix this.

It sounds like the power key may be stuck. The keyboard needs to be replaced.

 

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It sounds like the power key may be stuck. The keyboard needs to be replaced.

Would this be covered by my apple care because I only bought my Mac about a month and a half ago?