Sansa Express 2Gb Recovery

I have Sansa Express already 3years …and it worked fine till

now…reliable sound quality, good menu design.i’m pleased

besides my other 2 mp3players…I’ve got only once problem with

the sansa …the pc suddenly did not recognize device…you know

stmp3600 driver…but updated manually the firmware …and I

fixed the problem that time…now…my computer is

recognizing my device ok…same Mtp protocol…same read/write

files on player…ok…noproblem…but  physically…Sansa

Express Display cannot start…device just wont start…whats

the problem?