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Forum Discussion
dandod
Mar 17, 2021Guide
Nighthawk AX8 CAX80 in boot loop with solid white power light
Hi, everyone! I have had this cable modem router since November (four months ago) and it has worked perfectly up until yesterday. It was powered off and since then has not been able to work again.
Upon being plugged in, the top LEDs come on for two seconds and then turn off except for the 1 2 3 4 port lights, which remain lit pink. After five seconds they turn off and the power light comes on white and solid. Then it stays like this for one minute before it reboots/repeats. I kept it plugged in for over an hour and it just kept repeating this loop. I cannot access it wirelessly nor with a network cable.
I am not familiar with which firmware version was installed, and if I did update the firmware since I got it, it had been power cycled since then.
Thank you for any insight or help with this!
-- Daniel
9 Replies
Try unplugging the coax from it. Then while its powred on, push and hold reset for 7-15 seconds.
- dandodGuide
Did the reset multiple times with it on, and right after it is plugged in and powered on, too, as well as before I turn it on. No change.
It started doing it before I had unplugged anything from the back of it. Just in case, I just plugged the coax back into it and powered up, but no change there either.
Has the CAX been correctly activated with the ISP?
Have the ISP check the signal and line quality UP to the modem. Be sure the ISP provisions the modem correctly.
Be sure there are no coax cable line splitters in the between the modem and ISP service box.
Be sure your using good quality RG6 coax cable up to the modem.Be sure there is a signal on the coax line going to the CAX80...
FYI, if signal is lost on the CAX80 coax line, it will do a boot loop until the signal is regained and reacquired from the ISP. This is the only model that does this. By NG design.