friendlyarm tiny6410 not booting

Hi 

For the first time I am using "friendlyarm tiny6410".

1) Initially it was working fine, Board was connected to pen drive
containing binary executable file and laptop(ubuntu OS).
2) I was trying to run a binary file from flash(Pen drive)connected to
board using putty. 
3) It got hang, I tried to turn it OFF from switch on board, there was no
response.
4) Then I turned OFF main power from supply(Adapter).

Now whenever I am turning to turn it ON white light comes on screen for a
second and it is not booting.

Can anyone please suggest what is happening and how can I solve this issue.

It will be a kind help.

Dear rahul,

Your problems are same to me.

I don't know why my kit have just light the screen only one to 2 seconds
and turn off immediately!

Did you try booting from sd card?

Are there someone can help us for this situation?

many thanks!