Router 1700series: Rommon Problem

Router 1700series: Rommon Problem

How to solve the rommon problem?

rommon 1> dev

I can see the
flash flash:

But when it

rommon 2> dir flash:

It not out put anything but Warning say that what magic number….

rommon 3> tftpdnld -r

It fail to download the bin file into router…

May I know how to solve this problem?

Have any guide and way to solve it?

Thank you…

-fsloke