Box blacks out when trying to watch discovery channels

[RonTheRipper]

hi
Just noticed today that when I try to watch Discovery History, Science, Home & Health and Discovery Turbo, my Mag unit blacks out, freezes up and becomes unresponsive. Anyone else? Thoughts?

 

[K00lKatT]

all discovery network channels and been a prob area for some time..

 

[RonTheRipper]

Thx for the reply
It was fine the last 2 weeks that's what got me thinking