Does my USB have life? Light shows only for a second

I am in a very bad situation here, my USB which has all my work in for University seems to be faulty. When I connect my SanDisk USB, it shows the orange light for one second then that is it. It's suppose to show all the time... I tried different computers but problem persists :(

I am extremely worried.. can this be rectified at all?
 
if you can access your data, I suggest you move it and replace the device. LEDs can go bad, but better save than sorry.
 
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