Wi-Fi
Wi-Fi Connection and Performance Issues: Common Causes and Fixes
Wi-Fi problems are usually different from internet-connection problems -- your internet plan can be working perfectly while your Wi-Fi signal itself is weak, congested, or interfered with. Here's how to tell the difference and fix the most common causes.
Is it Wi-Fi, or your internet connection?
Test the same device on a cable (Ethernet) connection if possible. If it's fast and stable by cable but slow/dropping on Wi-Fi, the issue is Wi-Fi itself, not your subscribed internet speed.
Common Wi-Fi problems and fixes
- Weak signal in certain rooms: distance and walls weaken Wi-Fi -- see our Wi-Fi coverage guide.
- Too many devices on one network: smart TVs, phones, laptops, and smart-home devices all share the same Wi-Fi capacity -- disconnect unused devices if performance drops when many are active.
- Interference from neighboring networks: in dense apartment buildings, overlapping Wi-Fi channels from neighbors can slow things down -- many routers can auto-select a clearer channel; check your router's settings or ask your provider for help.
- Router placed in a poor location: inside a cabinet, behind a TV, or in a corner all reduce range -- place it in a central, open, elevated spot if possible.
- Outdated router or firmware: older routers may struggle with modern device counts and speeds.
Quick things to try right now
- Restart your router (see our restart guide).
- Move closer to the router and re-test.
- Forget and reconnect to the Wi-Fi network on the affected device.
- Restart the affected device itself.
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