have you tried a powercycle - see below - if that does not work have you tried resetting the router back to factory defaults and then reconfiguring , sounds like the router is faulty
what are the status of all the lights on the router ?
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How to power cycle
“power cycle” process to reboot or reset the modem/router
what are the status of all the lights on the router ?
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How to power cycle
“power cycle” process to reboot or reset the modem/router
- Switch off all the devices modem, router and computers also unplug their power cables.
- Wait at least 30 seconds.
- Plug the power cords back in, but don’t switch them on.
- First turn on the modem and then wait for a few minutes for it to settle and all the lights to become stable.
- Next switch on the router (if a seperate device ) and then wait for a few minutes for it to settle and all the lights to become stable.
- Now turn on your computer, You should now be able to access the Internet.