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Forum Discussion
C7800 Access Denied / No Wifi firmware update
Bought the C7800 a few days ago. Connected, setup - worked great for a few days with Xfinity 1GB plan. The app said “firmware out of date” and to login to admin to update, but there was no option. Sup...
The firmware for the C7800 is built into the partitioning file from the ISP when the set it up. so they one they have, is the one you'll get.
To try to get it working, try this.
Disconnect everything from the C7800 including the coax cable. (leave the power cable)
While powered on, push and hold reset for up to 30 seconds. let it reboot.
Once fully rebooted (all light stablized), then power it down, wait 2 minutes, connect the coax to it, and power it back on.
Wait a couple minutes for it to fully boot.
then attempt to access/set it up.
Thank you for the advice! It did not work. Unfortunately it is the same, bit sure if it has to do with the file from the ISP. But it is locked on downstream and shows Connectivity - Access Denied. Xfinity tech support says they can see the modem online. However the Nighthawk app still says “Firmware out of date” (it always has, though, even when it was working perfectly. I am wondering if Xfinity is just not compatible with this model?
Xfinity is compatible with that model. I've used it on xfinity before.
Ignore the "firmware out of date" notice. Genie is horrible at sending that notice. and the .43 is the current one for xfinity.
You're able to log into it fine?
Do you still have your old modem?
Try reactivating that to the account. Then switch back to the c7800.
- Thanks! Tried and nothing.
Switched everything back to old xFi gateway - worked.
Then tried to setup the Nighthawk and got the same problem. No connectivity... downstream locked, upstream stays scanning/blinking, and Connectivity says Access Denied.
Xfinity is also no help. They only give the option to send one of their techs out in a few days for $100.When you reinstalled the xfinity gateway, did you have to reactivate it or did it just work?