Openbox s9 not working

Hi, I've just bought an s9, I've attached it to my tv and the menu appear. I've checked hotbird as a satellite and started the search.
Research was fine, but when I tried to go to channel list it freezed. I've restarted it by switch off the power and now there is only the led that says ON and nothing appear on the screen. What should I do?

Quote from alibaba1802

Please give us more information about firmware.

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I don't know because I've not changed the firmware. I've unboxes it and checked if it was original and it was. Then I've did the research of channel and it seem's all ok. After that I exit from the menu and it got stucked. I've rebooted but there is only the led with the word "ON" green and nothing else appear on the tv.

Quote from nellenasche

I don't know because I've not changed the firmware. I've unboxes it and checked if it was original and it was. Then I've did the research of channel and it seem's all ok. After that I exit from the menu and it got stucked. I've rebooted but there is only the led with the word "ON" green and nothing else appear on the tv.

It appears that when I disconnect it from the power for a while then it restart. But If I shut it down or try to reboot it is again stuch with the "ON" Led.
I've changed the firmware, but it doesn't change. I think it is a faulty bootloader. Any suggestions on how to fix it?

I've tried it and first time it worked. But when I reboot the decoder it is again stuck with the ON on the display. It is random, sometimes when I power it off and restart it after a little while it work and sometimes not. What could be the problem?