WifiFix Lab

Network acting up? Start here, not with support hold music.

Plain-English guides for the two things that break the most: Wi-Fi that keeps dropping, and Smart TVs that refuse to connect. Every fix is written against the official support documents from the actual manufacturer — not recycled forum guesses.

Fix a problem → Smart TV help →
Official sources first Dated on every page No fluff, steps only
router: amber LED TV: network missing phone: weak signal

Popular right now

The guides people open at midnight when the connection dies.

Wi-Fi

Why does my Wi-Fi keep disconnecting?

Nine fixes in order of likelihood, with the router-restart habit that actually works, and a decision tree for when each step stops paying off.

 Smart TV

Samsung TV won't connect to Wi-Fi

The full 13-step Samsung sequence — including the phone-signal trick, the manual DNS entry, and when it's genuinely a router problem, not the TV.

 Smart TV

LG TV won't connect to Wi-Fi

LG's own order: the hotspot test that proves the TV is fine, the Wi-Fi menu path for every webOS year, and the modem-restart sequence.

 Smart TV

TCL TV won't connect to Wi-Fi

TCL's complete Google TV sequence — the built-in connection test, forget-and-rejoin, and the fix for “Connected, no internet”.

 Streaming

Roku won't connect to Wi-Fi

Restart steps plus every official error code (14.40, 018, 009…) mapped to the exact fix Roku recommends.

 Smart TV

Vizio TV won't connect to Wi-Fi

Vizio's four documented drop causes with their fix list, and the SmartCast restart that stops hangs.

 Streaming

Fire TV Stick says no signal

Amazon's blank-screen fix list: wrong input, loose HDMI, cable swap, and the official HDMI-CEC cycle.

 App guide

YouTube TV not working on LG TV

Google's official install path from the LG Content Store, the firmware note, and the cast workaround.

 Networking

Mesh Wi-Fi vs. extender

When each one wins, the downsides TP-Link documents, and the placement rule that decides extender performance.

 Wi-Fi

Mesh vs extender, honestly compared

Which layout fits your floor plan, and where spenders get talked into gear they don't need. Full guide coming.

How we write these guides

Three rules, no exceptions.

Official documents only

Each fix is written against the manufacturer's own support pages — Samsung's TV troubleshooting, TP-Link's unstable-connection guide — and we link them so you can read the source.

Interface-level detail

"Go to settings" is useless. We tell you the exact menu: All Settings, then Connection, then Network, then Open Network Settings — the path Samsung's own guide uses.

Checked and dated

Interfaces change and firmware shifts. Every page carries a last-checked date; when a menu moves, we redrive the page rather than let it rot.