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View Full Version : S3 + Comcast = on and off missing channels DESPERATE


Michael_M
03-11-2009, 01:37 AM
Since November I have been working with Comcast and TIVO on the following problem

I have 3 series3 boxes - after working perfectly for 18 months - I lost channels -- 0-99 okay; about 20 channels out (says searching for signal) in the 101-199, about 20 channels in the 201-299. No Showtime. Lose about 50% of music channels.
HBO is okay; 2-99 okay; HDTV channels all ok except for Showtime. It is the same for all 3 boxes. TIVO says it is comcast problems becasue it happens on all 3 boxes. Comcast says it is a TIVO software problem.

This all started in November 08 -- was out for a month came on for two weeks, then out again. Always the same channels going out

I have had Comcast rebuild my account -- had TIVO level 2 support go through all the diagnostics -- just before Comcast was to come out for the 3rd time -- it all came back on -- I did a complete erase on one box so they had to reinstall the existing cards and it worked perfectly. I had all the channels I was supposed to have for a month --now it is happening again.

I am very burnt out and need some fresh ideas about how to get TIVO and Comcast to work together to resolve this -- somehting obviously changed since everything worked perfectly for 18 months -- No one wants to admit anything

Please help I am drowning here -- Comcast basically is saying that should just get rid of my tivo boxes -- yeah right I have over 1000 dollars invested in boxes.
Michael M

richsadams
03-11-2009, 04:23 AM
Not sure if it will help, but this post (http://www.tivocommunity.com/tivo-vb/showthread.php?p=7123763#post7123763) referred to a similar Comcast issue that was fixed by re-running Guided Setup using a different/nearby zip code.

Best of luck!

Michael_M
03-11-2009, 08:35 AM
Not sure if it will help, but this post (http://www.tivocommunity.com/tivo-vb/showthread.php?p=7123763#post7123763) referred to a similar Comcast issue that was fixed by re-running Guided Setup using a different/nearby zip code.

Best of luck!

Rich Thanks for responding -- all my analog channels are fine 0-99. So the situation is a bit different. early on in the process I tried this -- plus my channels are a bit more randomly ie 103, 104, 110, 112, 123 etc.

richsadams
03-11-2009, 12:33 PM
Rich Thanks for responding -- all my analog channels are fine 0-99. So the situation is a bit different. early on in the process I tried this -- plus my channels are a bit more randomly ie 103, 104, 110, 112, 123 etc.Got it. Well, best of luck and let us know what you find out.

GBL
03-11-2009, 12:46 PM
I have had Comcast rebuild my account -- had TIVO level 2 support go through all the diagnostics -- just before Comcast was to come out for the 3rd time -- it all came back on -- I did a complete erase on one box so they had to reinstall the existing cards and it worked perfectly. I had all the channels I was supposed to have for a month --now it is happening again.

Michael M

I'm confused - you "did a complete erase on one box so they had to reinstall the existing cards and it worked perfectly" - so all 3 boxes worked perfectly after you reinstalled the existing cards on 1 box?

indyrobb
03-12-2009, 11:22 PM
I'm having a similiar issue, however, it's certain HD channels I'm having problems with. It also seems to be only local ones I'm having problems with. It's affecting both my Tivo HD, and my DVR (comcast). Exact same channels between the two machines.

When I tune to a channel I'm having problems with and goto the DVR Diagnostics screen, the Modulation keeps flipping between QAM 64 and 256 and shows no signal strength and no signal lock. The channels that do work, everything looks normal on the diagnostics screen.

I've had them send signals to my devices a couple of times, but so far, nothing has helped. Granted, I've only just tried contacting them tonight, so it's still early in the troubleshooting stage.

It's been happening for 2 weeks, and appears to be happening only in the evening hours. I've missed Survivor twice because of it (I have a SP set on both machines just in case of situations like this! - HA).