Warning: Christmas lights slow down your Wi-Fi

UK regulator Ofcom has launched a Wi-Fi Checker application for Android and iOS, which tests the Wi-Fi network a device is connected to for potential signal interference problems.

Ofcom said interference can come from other electronic devices such as microwavs, baby monitors, lamps, and Christmas fairy lights.

This can change over time and have a different effect in different rooms of your house.

“We recommend you try running the Wi-Fi Checker in different rooms and at the times of day when you’re most likely to use the Internet,” it said.

The regulator provided the following troubleshooting tips for fixing problems with your home Wi-Fi network.

  • Move your router away from electrical devices: Halogen lamps, electrical dimmer switches, stereo or computer speakers, fairy lights, TVs, monitors, and AC power cords.
  • Move your router to a different part of your home: The walls and furniture in your house act as an obstacle to the Wi-Fi radio frequencies. Routers should be placed on a table or shelf.
  • Restart your wireless router: This may automatically select a less busy Wi-Fi radio frequency.
  • Use an Ethernet cable to connect directly to your router: This should give you a faster, more reliable connection.

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Warning: Christmas lights slow down your Wi-Fi