Sansa clip connected of USB is not running

hello, 

When  my Sansa clip is connected on my USB , the display of sansa clip is  not on (black)

thank you

Georges974 

Try to hold the power switch up for 15 seconds to do a soft reset.  Plug the Clip back into the computer.  If it continues to not light up, then you will need to contact Support and request an RMA.

Go Sansa!