let’s check that the internet is working fine from the ISP. to do that, you need to connect the computer directly to the modem. if you can access the internet through it. it means that your router is faulty. in this case, you need to reset the router and then setup it again.
- Locate the Reset button on the back of the router.
- Press and hold the button for about 10-30 seconds using a pin or paperclip.
- Wait for the router to reboot.
Once your router will reboot, you need to setup it again. it should be working fine now.