mag 275 help

Hi,
I did some stupid setting on my MAG275 and now I get only message on TV "output mode mismatch.please change device's videooutput mode to SD mode or use HDMI output".

Any suggestions as my remote is not working during this error message and also have no HDMI connection on my TV.
 
1.iptvserver.tv or 1.iptvprivateserver.tv thats not rocker url what are you running which donation please and you must load your box mac address too