DStream firmware update failure

I got my new DStream box weeks ago. When I updated its FW with Development Studio v2009.0, the progress stayed at 94% for very long time, and finally the studio complains "Timeout waiting for reboot to complete".  (The message at the bottom right corner is "Firmware Installation ...007136: (94%)). The STATUS LED keeps flashing. 

I have tried normal update, and FW restoring process. It seems both action stuck at 94%. I used Ethernet to communicate with DStream.

Any suggestions how to fix it?

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