router light not on all others on

Which router light? Give some details for Christ's sake

Visit the support pages:

Support | NETGEAR

Feed in your model number and check the documentation for your hardware.

Check the section in the manual Troubleshoot With the LEDs.

You may have done that already. I can't tell from your message.

I mention it because Netgear gave up on supplying paper manuals years ago and people sometimes miss the downloads.

Do you really have the D6000 in your footer?

You have posted your message in the section of this community given over to Nighthawk WiFi Routers. (This is easily done, given Netgear's complicated community structure.)

Many questions apply to different types of device, so you might get responses here if you ask meaningful questions, but you might get more help, and find earlier questions and answers specific to your hardware, in the appropriate section for your device. That's probably here:

DSL Modems & Routers