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Message: <blockquote data-quote="clarkebelt" data-source="post: 1088673" data-attributes="member: 148422">Thanks for the response and the clarification on the things that are not part of the problem.  Hope you don't mind if I skip right to the main issue.Just to be clear, once it "freezes", I have never seen it restart.  Tonight I was recording a movie on one channel but had forgotten about it and tried to look at something on a different channel.  The recording ended abruptly at that point.  It wasn't just a 40 second gap; the recording completely stopped and after that I could not tune anything until I stopped and restarted the server (even after canceling the recording, it was still non-responsive).I can try experimenting with those if we ever get to the point where the tuner will come back at all, but right now I don't actually think those are the solution.  I probably should have said it "locks up" rather than "freezes" because I may have left the impression that it was a temporary disruption, and it isn't.  I don't always have to stop and restart the backend when it happens (I think that may have been because it was recording at the time it happened), but I have never seen a stream restart on its own.Well, I am not so sure about that - see below.<ul> <li data-xf-list-type="ul"></li> </ul>Yes, I am sure and no, there is no shared equipment.  The two tuners are connected to exact duplicates of the same setup.  In other words, each tuner connects to its own DiSEqC switch, and each numbered connection from the DiSEqC switch either goes to one of the outputs on the same dual LNB, or in one case (DiSEqC port 3) each is connected to a separate 22kHz tone switch which switched between one output of a dual output C and Ku LNB's.<ul> <li data-xf-list-type="ul"></li> </ul>Yes.  I know that there are LNBs that have dual outputs but each output is a different polarity, and I have even seen LNB's where one output is C-band and the other is Ku.  But these LNB's have two totally separate outputs, covering the same frequency range, and which can be switched to either polarity depending on the voltage applied.  Technically, each output can only be receiving horizontally or vertically polarized signals, not both polarities simultaneously, but either output can be switch to horizontal or vertical polarity at will by the tuner.Note that if we disconnect the wire from the new tuner and connect it to a standalone receiver, then we can tune channels independently with no issues and everything works as you'd expect.  I am 100% certain that wherever the problem lies, it's not in the LNB's or the tone or DiSEqC switches.<ul> <li data-xf-list-type="ul"></li> </ul>Correct, I am well aware of all that.  And as I noted, with these LNB's the outputs are truly independent of each other, and not the type where each output is a different polarity or different band.Aha, now we are getting somewhere, though not a place I particularly wanted to be.  It seems that if I uncheck the card with Priority 2, ID 3, then I cannot receive anything at all.  But if I recheck it it, and then uncheck the card with Priority 1, ID 4, I can receive all the channels again.  So it seems like the Priority 2, ID 3 card is good, while the Priority 1, ID 4 card is suspect.The only problem now is that I don't know how to proceed.  I suppose it is possible we got a defective card but I hate to try returning it without exhausting all other options.  Yet I have no idea how to tell for sure if it's the new card or something else that is the problem.  What I wonder now is whether the card is really bad, or whether Windows is just not recognizing it properly or connecting to it correctly, or whether something else is going on.  Again, if I disconnect the cable from the new tuner and connect it to a standalone satellite receiver then everything works, so that pretty much eliminates the LNB's, tone and DiSEqC switches, and cables.  If you or anyone has any suggestions on how to further diagnose the root cause of this problem, they would be quite helpful right about now.It does.  Thank you once again for your assistance!</blockquote>

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