Step 1: Place said modem in dishwasher.
Step 2: Cycle 5-7 times or until you deem it is appropriately clean.
Step 3: Watch Brighthouse tech dork replace modem because it won't work.
Step 4: Interweb forever.

Any time you're on the phone with them, ask for their supervisor from now on. They have account notes and should see that shit. Just be a bastard. It works in my line of work, I would expect it to work well at Dimhouse.

Hope that helps.