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Windows 7: 2 Avermedia m780 ATSC tuners, only tuner 2 works, tuner 1 no signal

01 Sep 2016   #1
sdowney717

Windows 7 Ultimate x64
 
 
2 Avermedia m780 ATSC tuners, only tuner 2 works, tuner 1 no signal

I would have posted in WMC but this seems to be a hardware issue.
Device manager only shows one Avermedia tuner.
These are identical PCIE cards.
In device manager should it not display 2 Avermedia devices?
It shows the USB vbox 3560 tuner, it shows an Avermedia tuner.

Oddly WMC claims tuner 1 has no signal?
Another TV program only says 2 tuners available, Avermedia tuner 2, Vbox 3560 tuner.

Also If I boot with only one Avermedia PCIE tuner card, either one functions ok.
If I boot with 2 Avermedia PCIE tuner cards, only one Avermedia tuner card functions and windows seems to call it Avermedia tuner 2

So what is happening you think?
Can windows distinguish 2 identical cards and configure them, or is windows getting confused?
Both cards get hot to the touch when both are plugged in together.


My System SpecsSystem Spec
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 2 Avermedia m780 ATSC tuners, only tuner 2 works, tuner 1 no signal




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