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C7800 says Cable Connection Not Connected
This C7800 Nitehawk modem worked fine from February until November 2020. Last weekend it stopped connecting to the internet. The LAN is working, but the cable connection is failing. On the web adm...
Hope the RMA works!
Sorry but photos can take a while to show as a moderator has to approve them.
do you have a screen snip of the cable connections page and the event logs? That lets us look at the connection back to the isp.
If you have any splitters, amplifiers, or attenuators in line, I'd recommend removing them. Check the line for kinks, damage, bad/cheap/loose connectors. Preferrably, move the modem to right where the coax enters the home and direct connect it. That ensures wiring ran in the house isn't the issue.
Thank you for the reply plemans,
The modem owner asked to pay for GearHead support. They conducted a few more tests and have issued an RMA for this modem. This may no longer be interesting to anyone. However I believe I did capture the 2 pictures as you described in case anyone else is having this problem.
IThe modem was plugged into the cable directly from the cable provider. The cable provider checked the signal strength by disconnecting the coax cable directly from the modem. The cable works with a test modem.
Hope the RMA works!
Sorry but photos can take a while to show as a moderator has to approve them.
Thank you again plemans, I marked your last post as the solution.
The RMA unit was installed Monday and has been working 2 days now.