Find researched troubleshooting procedures by exact device and task. Follow the prerequisites and recovery steps in the source-linked guide.
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Choose a task
Wi-Fi Connected but No Internet: Separate WAN, ISP, and Client ProblemsGeneral editorial triage; TP-Link menu labels only on matching firmware.↗Diagnose Slow Wi-Fi Without Confusing a Link Rate With a Speed TestGeneral test design informed by official TP-Link speed troubleshooting.↗Ethernet Stuck at 100 Mbps: Locate the Specific Slow LinkA PC/switch/router path expected to support higher Ethernet rates.↗
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Before you change settings
- Identify the exact model and US hardware revision.
- Record current wiring, firmware and connection mode.
- Open the matching official source and check for changed instructions.
- Test the result after one change, with a rollback path ready.
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Official sources
- TP-Link no-internet: WAN address and cabling checks (full_text; checked 2026-11-01)
- TP-Link slow wired/wireless diagnostic separation (full_text; checked 2026-11-01)
- TP-Link unmanaged-switch link-rate troubleshooting (full_text; checked 2026-11-01)
Check your exact US model, hardware revision, and firmware on the linked support page before changing settings.
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