Problems with firmware update 1.14.09 (WD TV live)

Few weeks ago I´ve just upgraded to 1.14.09 Release for my WD TV Live. After this, the LCD TV shows no signal. I´ve made a hard reset to the unit, but nothing happens. 

The led power located in the front of the WD is off, but the power source is ok. I tried to turn the unit on form the remote control, and nothing happens.

I appreciate If anybody could give some hints how to resolve it.

Thanks in advance.

Hello, have you tried using another HDMI/composite/component cables?