Sandisk light always flashing

hi , I got a MacBook Pro 15 2017 On The SanDisk extreme 900 , the light is always quickly flashing , as it is transferring , but it doesn’t !! I closed everything wich might use the sandisk , but it still flashing ! and it seems to heat up the macbook in temperature … Please help ! thx

That is how it works.

The light keeps on flashing all the time.

It means that the necessary electricity is being provided to the circuit.

I hope this helps!