guys... i don't know where to post my question...

here my problem...i've psp phat with 2GB memory stick and it work well for me around 2 years. suddenly when i want play, i switch on my psp, it show no memory card inserted. the orange led represent as memory stick indicator keep blinking...

i try to change another memory stick, its still same problem...i reformat my memory stick using my lappy card reader, then put it back in my psp, it still same problem...

what wrong wit my psp eh...