M8S+ display stopped on one TV, works on others

Hi All,

I have a strange issue with my Android TV box. I am running 5.1 on an M8S+ box.
This was working perfectly on my TV for about 4 months, but suddenly stopped.
(It was powering up when being plugged into the HDMI port.)
The display is now blank and nothing is visible.

I have only one HDMI port on the TV (Walker, HD Ready) and this same HDMI port on the TV works fine with Sky/PlayStation etc.
The same Android box (including HDMI cable) works fine on other TV's (Full HD and HD Ready)...

M8S+ display stopped on one TV, works on others

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