My Vu+SOLO2 HD is not working

[redhat]

i have VU+SOLO2 and some time HDMI is working and some time is not working
and there is signal for HDMI cable in my LED

 

[Mick12334]

Have you tried a different cable?
Have you tried a different HDMI port, on your television?
Have you tried different HDMI settings, in your receivers menu?