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Friday, August 8th, 2025

New TiVo box installed. Now I get V58 on all channels

I changed my M Card from my dead TiVo box and installed it in a new one.   When I try to watch TV, all I get is the error that this channel is not authorized. On every channel

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16 hours ago

I changed my M Card from my dead TiVo box and installed it in a new one. ...

When you move a CableCard from one device to another, Comcast/Xfinity needs to make a corresponding change in their systems before it will work in the new device. You could give https://cablecardactivation.xsp.comcast.net/ a try, although I could never get it to work. https://www.xfinity.com/support/articles/pair-activate-cablecard has more info on CableCard activation. 

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