Why is my optimum router not working?

If your Optimum modem is not working, restart it by removing the power cord from the back of your device. Wait for at least a minute. Reconnect it to the power source and wait until all lights on the modem turn on and become stable. A simple reboot often resolves any glitches the device may be experiencing.

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How do I manually reboot my router?

Option 1: Reboot manually

To manually reboot your router, unplug it (you can remove the power cord from the wall outlet OR from the power port on the back of the router). Wait one minute, and plug it back in.