When you are attemping a system wide reset I would recommend doing it in this order:
1 - Unplug any non-PVR boxes.
2 - Unplug all PVR boxes.
3 - Unplug your 2wire gateway.
4 - Wait a full 60 seconds.
5 - Plug in the 2wire.
6 - Wait until it is fully "light up".
7 - Plug in your main PVR box.
8 - Wait until the box is fully back online, including the PVR.
9 - Verify the PVR is online by attempting to record and then playback something currently airing live.
10 - Plug in all the remaining boxes and verify they can playback content from the PVR.
I had one issue where the non-PVR box and the PVR box stopped talking to each other and this was how I resolved it. It is also worth noting that when that happens the non-PVR box loses the menu for recorded content.
1 - Unplug any non-PVR boxes.
2 - Unplug all PVR boxes.
3 - Unplug your 2wire gateway.
4 - Wait a full 60 seconds.
5 - Plug in the 2wire.
6 - Wait until it is fully "light up".
7 - Plug in your main PVR box.
8 - Wait until the box is fully back online, including the PVR.
9 - Verify the PVR is online by attempting to record and then playback something currently airing live.
10 - Plug in all the remaining boxes and verify they can playback content from the PVR.
I had one issue where the non-PVR box and the PVR box stopped talking to each other and this was how I resolved it. It is also worth noting that when that happens the non-PVR box loses the menu for recorded content.