I have a MAG 254. Everything was operating properly before I did a System Reboot. After the reboot, I get beautiful video that loads faster but no audio....

hello everyone please help couple days ago my channels stop working I have the channel list but I can't watch them every time I click on one of them It...

I am having problems with TV channels
I am getting picture on some of the channels but no audio
could you please help me resolve this problem...