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Topic # 98467 29-Feb-2012 01:18
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I have a Computerlounge HTPC : 

Athlon 2 X4 640
4GB RAM
Radeon HD5670 512MB
Hauppage Win TV-HVR-2200
Windows 7 Media Center

Works great for most things, plays COD Black Ops fine etc
Also works fine for watching Freeview, except for TV3, where we get occasional pixellation - just a small glitch / flicker / blocky area on part of the screen, then it will be fine for 2 or 3 minutes, then another little glitch etc etc. Tried all the obvious things ( replaced HDMI Cable, replaced Aerial Cable etc ).
Got a technician from Aerial Master out, he stuffed around, installed a signal Amplifier, picture seemed to be fine, so he left. But a couple of days later, same problem came back. Problem seems to be worse on cloudy / overcast days, even pixellates on TV3+1 occasionally.
But the other annoying thing is that the picture is fine on our other TV, which is also freeview via a Panasonic DMR XW380. We never have any problems with this TV, and it runs off the same Aerial ( via a splitter )
The guy from Aerial Master reckons the signal strength is the same for both TVs, he reckons the problem must be something to do with the HTPC ?
I really don't know where to start - send it back to Computer Lounge ?
Or does the HVR-2200 need a stronger or weaker signal than the Panasonic receiver ? ( I tried to update the drivers but it says I have the best drivers installed. )

Help please !

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  Reply # 588111 29-Feb-2012 01:25
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Can you disconnect the HTPC from aerial and TV and insert a temporary Freeview Decoder. That will at least prove its the HTPC or not.

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  Reply # 588120 29-Feb-2012 06:16
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Odds are it's your ATI graphics card. ATI has never worked well as NVidia for with H.264 interlaced video.


 
 
 
 


BDFL - Memuneh
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  Reply # 588141 29-Feb-2012 08:00
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  Reply # 588561 29-Feb-2012 21:23
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I have been having same problems with tv3 over the last few days through htpc as well.  I am using a view sonic vot132 as my media centre, which uses a nvidia chip and i also use a hdhomerun.  Never had these problems before, was having problems with prime over the weekend (there's is another thread on that), but they have fixed that now.  I am wondering if this is a problem with freeview as well.



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  Reply # 588631 29-Feb-2012 23:51
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Yeah, my Prime was crappy on Saturday as well, but working OK today, so probably a Prime thing.
Just the occasional glitch on TV3 tonight ( every 5 mins or so ) but it's a fairly clear night. Also get momentary pixellation whenever I change channels, just for the first few seconds, but I can put up with that. The ATI Drivers are Catalyst Version 11.5, Windows reckons they're up to date. Kinda strange that the problem's only on TV3. Tried re-scanning channels, didn't help. 
 

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  Reply # 588655 1-Mar-2012 06:16
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Catalyst 11.5 is very old now, they're up to version 12.1

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