TendConnectivity guide
Mac connected to Wi-Fi but no internet: narrow down the cause
Separate a Mac Wi-Fi problem from a router, website, VPN or internet outage with a short sequence of reversible checks.
Find the smallest failing case
Try a second website and a second app. If one service fails, write down its error and check that service’s status before treating the whole connection as broken. Next, try another device on the same network. That comparison helps decide whether to investigate the Mac or the shared connection.
A useful note is specific: “Two sites fail on this Mac; the same sites work on my phone using this Wi-Fi.” A phone using mobile data is a different test, so record which connection it used.
Try a reversible sequence
- Confirm the intended network is selected and check for a hotel, campus or café sign-in page.
- Save work and restart the Mac. Check that its date and time are correct.
- If you control the router, review its status and manufacturer’s guidance. Avoid restarting shared equipment during someone else’s call or transfer.
- With permission, compare another trusted network. Record whether the same apps work there.
These tests change one condition at a time. Keep the result of each rather than repeating all of them whenever a page fails.
Check the VPN or security layer deliberately
Apple notes that VPN and network-monitoring software can affect connectivity. Use the provider’s troubleshooting instructions. On a managed Mac, ask the administrator before changing those controls; required protection may be part of how you reach work services. A successful comparison identifies a lead, not proof that an app is defective.
Use Wireless Diagnostics
Hold Option while opening the Wi-Fi menu and choose Open Wireless Diagnostics. Apple’s tool analyzes the wireless environment without changing network settings. Its report can contain network details: review what you share and send it privately only when requested.
Know who can help next
If multiple devices fail on the same connection, contact the network owner or internet provider. If only this Mac fails across trusted networks, share the macOS version, exact error and comparison results with support. Tend can provide available local network evidence; it does not repair routers or establish that your internet provider is working.
Sources and further reading
Reviewed October 19, 2026 against the linked documentation. Menu names and capabilities vary by macOS version and device; these guides have not been physically tested on every supported Mac.