WiFi "Signal" Disappears When Door is Closed
4.5
You have great WiFi in the hallway, but it drops to zero as soon as you close your bedroom door.
Symptoms
- Signal drop
- Disconnects
- Door-dependent speed
Possible Causes
- Solid wood/Metal door
- Mirror on the door
- Foil insulation
Step-by-Step Fix
1
Check for Mirrors
Mirrors are made of a thin layer of metal, which is a perfect WiFi shield.
2
Move Router Position
Try to get a "line of sight" through the doorway if possible.
3
Install a WiFi Node
Place a mesh node inside the room to maintain a strong local signal.
When to See a Technician
Modern fire doors often have metal cores or foil backing that act as a "Faraday cage" for WiFi.
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