How to install firmware

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Stantona wrote:

I did the reset and the power light has settled down on solid white.

 

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This is a sign that your device is working as expected. A flashing light would be a sign of broken firmware.

So you can forget about playing around with TFTP. You should be able to install new firmware without any of that hassle.

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(Might not matter but the three band lights are solid white also.)

 

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Not sure what "band lights" are, but the manual tells me that there are lights for wifi channels among other things. If they are on, that is another sign that the device is not bust. You can read about what the lights mean in the manual somewhere at the end of this link:

>>> R8500 | Product | Support | NETGEAR <<<

see page 174.

The important one is the Intern the light. What does that look like?

Your main issue seems to be that you cannot access the router's control interface. There can be various reasons for this. One is that your playing around has confused the equipment on your network and it does not know what addresses to use. You can start from scratch and see if that restores sanity.

Be sure to restart your network in this sequence:

• Turn off and unplug the modem.
• Turn off the modem router and computers.
• Plug in the modem and turn it on. Wait 2 minutes.
• Turn on the modem router and wait 2 minutes.
• Turn on the computers.