Wi‑Fi Connected but No Internet – Troubleshooter

Create a safe diagnostic sequence from whether one or all devices are affected, WAN status, local IP and reconnect behavior.

✓ Method reviewed · 2026-08-22

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CALCULATORWi‑Fi is connected but the internet is down. Device, router or ISP?

Results are for information and preliminary estimation. For critical technical work, manufacturer data, local codes and qualified professional review take precedence.

CALCULATION ENGINEWIFI-NO-INTERNET · R1.5.1Engine and route QA: PASS · Method and limits visible

Trust & methodology →

1Enter real inputs

2Press Calculate

3Read result with assumptions

Method & assumptions

How is it calculated?

The tree first separates scope: one device points toward the client; all devices toward router/ONT/ISP. Factory reset is not the first step.

Example

Example: If every device has Wi‑Fi but no internet, check the WAN/ISP path before reinstalling one client's driver.

What questions does this tool answer?

Wi‑Fi is connected but the internet is down. Device, router or ISP?
wifi connected no internet
connected to router but no internet
How is Wi‑Fi Connected but No Internet – Troubleshooter calculated?

WHAT CHANGES THE RESULT

Check these before using the estimate

Computer and network tools provide practical capacity planning. Vendor limits, protocol overhead, codecs and real connection quality can move results away from theoretical values.