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Discussion Starter · #1 ·
It has started happening more recently now, but when I try and tune to ESPNHD, MOJO, HBOHD, etc. all I get is a black screen with no audio. I can go through all of the premium HD channels and nothing. If I tune to a local HD channel that comes in and then go back to one of the previous channels that didn't work they will come in fine. Anyone else have similar problems? My cable company is Cox.
 

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Dr_Diablo
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rickfriele said:
It has started happening more recently now, but when I try and tune to ESPNHD, MOJO, HBOHD, etc. all I get is a black screen with no audio. I can go through all of the premium HD channels and nothing. If I tune to a local HD channel that comes in and then go back to one of the previous channels that didn't work they will come in fine. Anyone else have similar problems? My cable company is Cox.
Since you are subscribed to these services, it could be as stated, by repeating the channel lineup again may return the missing channels to your lineup...

Some have reported that as time passes they begin to lose certain channels as you are experiencing... During a system restart solved the problem, only to return again at some point...

I would venture a guess this is a problem within the cable card itself...

Should the problem repeat, then you'd be wise to call Tivo to get a case# for your benefit. in dealing with future issues
 

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Discussion Starter · #4 ·
I am going to run guided setup overnight. I tested channels in the cable card menu where you get the blue bar at the top of the screen and sometimes on cable card 2 it said "No channels available" in which I had to exit out and come back in. The channels that sometimes don't come in happened to not come in twice when testing cable card 2.
 

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I would definately reboot tivo (pull plug) and see if that helps. If not, call Cox and have the cards reauthorized. When the channel comes back after switching channels it may just be because it is now on a different tuner. It sounds like you lost authorization in CC2.
 

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Discussion Starter · #6 ·
Ran guided setup and still having same issues. When I go into the Diagnostics screen for the cable cards, for CableCARD Association it says CableCARD 1 for both cards 1 and 2. Also for CableCARD in the diagnostics they both say 1, and "none" is listed for CableCARD Association listed lower in the menu. Called Cox, but since the problem is intermittent they can't do anything.
 
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