Compare two devices.
Open the same ordinary page on a second device. If only one device has a problem, record that before changing anything on the router.
When a connection feels unreliable, a few careful notes are more useful than changing every setting at once.
ONE CONNECTION · DIFFERENT DEVICES
Wi-Fi connects a device to a nearby wireless network. Internet access is the connection beyond that local network. A device can show Wi-Fi signal and still be unable to load an online page. Start by noting which part seems affected.
Open the same ordinary page on a second device. If only one device has a problem, record that before changing anything on the router.
Try the same device near the router and then in the room where you noticed the issue. Keep the task the same so the comparison means something.
Write down the starting point, make one adjustment, and repeat the check. Avoid resetting equipment until you know how its settings will be restored.
Keep this short. A clear description can help you explain a recurring issue to your provider or the person who manages your network.