Nighthawk c7000v2 Dropping Connection

Hi FURRYe38 , 

Thank you for your reply! I'm using an RG6 coax with no apparent kinks or bad connections. I've also tried several different coax cords, and I'm getting the same issue, so I think I can rule that out.

As far as splitters go, below is a picture of the cable feed in my house. You can see a splitter is taking the feed from outside and connecting it to 1) the main coax outlet in my office (this is where my modem is) and 2) An apparent power source. I'm not sure what the power source is being used for. Perhaps you know? If I remove the splitter, that power source will be eliminated. If the power source isn't needed, I could use a coax bridge to connect the outside cord to the one running into my office. Unfortunately, there is no ethernet outlet in that cable box, so I cannot put my modem/router in there. 

In another picture, you'll see a random switch that sits above my keys. When I flip that switch, nothing noticeable happens. Could this have any impact on anything? I know it's a long shot, but I figured I would at least ask. 

I tried powering off my modem and 1 minute and also tried a factory reset (twice now). 

Lastly, my modem used to sit in my living room. I have since switched the ISP feed to go into my office with the hopes that solved the problem. The internet froze for about 30 seconds earlier, but significantly less time than it did when it was in the living room.