There was noise on our phone line. Our internet had slowed to the point where we were reminiscing about the good old days of dial up.
Something had to be done.
I did what I always do. I cleared the white board and brainstormed the list of possible reasons for a slow network (the noise on the phone line didn't bother me as much). For each reason I listed the likelihood of it being the problem, how we would test to see if that was indeed the problem, and how we would fix the issue.
After I discussed the options with my wife - we decided that the first thing to do was have the phone company check the line coming in to the house. They did that while I was on the phone with them, and found an issue.
They sent a representative out. He fixed the line in three spots (going all the way in to town to fix one).
The result? There was less noise. The Internet was somewhat better. After he left, it slowed to a crawl.
As I was going down the list of things on my list of 10. In the process of testing I pulled out some equipment from a box. In the box sat two additional phone filters (see attached photo). The filters are 12 years old. We use one on the main phone line - because it goes into the wall with the Internet line.
I wondered why they ever gave us more than one. Then I remembered. The filters need to go on EVERY line, not just the one with the Internet.
I put the filter on the bedroom phone line, and... Problem solved.
Sometimes - even after you brainstorm - it's the 11th solution.
But - without brainstorming - I wouldn't have ever found the 11th solution.