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Why Is My WiFi So Slow? 8 Things to Check First

January 7, 2026

Few things are more frustrating than waiting for a webpage to load or watching your video buffer endlessly. You're paying for internet service, so why is it crawling along at a snail's pace?

Here in Connecticut, slow WiFi is an especially common problem. Many of our homes in Litchfield County and western Connecticut were built decades ago with thick plaster walls that block wireless signals. Multi-story colonial layouts mean your router on the first floor struggles to reach upstairs bedrooms. And whether you have Frontier or Xfinity service, the problem usually isn't your internet plan—it's how the signal gets around your home.

The good news? Most WiFi slowdowns have simple fixes you can try yourself in just a few minutes. Let's walk through the most common problems and solutions, starting with the easiest ones first.

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8 Things to Check When Your WiFi Is Slow

1. Restart Your Router and Modem

I know this sounds too simple, but it genuinely fixes the problem about 60% of the time. Unplug both your modem (the device connected to your cable or phone line) and your router (the device with antennas). Wait 30 seconds. Plug in the modem first and wait until all its lights are solid. Then plug in the router and wait another minute.

Why this works: Routers are small computers that can get overwhelmed or develop software glitches. A restart clears out temporary problems and gives you a fresh connection.

2. Check How Many Devices Are Connected

Count how many devices in your home use WiFi: phones, tablets, computers, smart TVs, security cameras, thermostats, and even light bulbs. Each one takes a slice of your internet speed.

Try turning off or disconnecting devices you're not actively using. If someone is streaming 4K video or downloading large files, that can hog most of your bandwidth.

Why this works: Think of your internet like a pipe. The same amount of water (data) has to serve everyone. Fewer devices mean more speed for the ones you're actually using.

3. Move Closer to Your Router

This is a test, not a permanent solution. Take your laptop or phone and sit in the same room as your router. Run a speed test at fast.com or speedtest.net. Is it faster? If yes, your problem is WiFi range, not your internet service.

Why this works: WiFi signals get weaker as they travel through walls, floors, and furniture. Those thick plaster walls in older Connecticut homes are particularly tough on wireless signals.

4. Change Your Router's Location

Your router should be in a central location, not hidden in a basement or tucked in a corner closet. Place it out in the open, away from metal objects and other electronics. If possible, put it on a higher shelf or mount it on the wall.

Avoid placing it near your TV, microwave, or cordless phone base—these can interfere with the WiFi signal.

Why this works: WiFi signals spread out in all directions. A central location means the signal has less distance to travel to reach every room.

5. Check for Interference on the 2.4 GHz Band

Most routers broadcast on two bands: 2.4 GHz and 5 GHz. The 2.4 GHz band has better range but gets crowded because many devices use it—baby monitors, garage door openers, even your neighbor's WiFi.

If your device can connect to a 5 GHz network (it might show up as "YourNetworkName-5G"), try switching to that. It's faster and less crowded, though it doesn't reach as far.

Why this works: In neighborhoods with lots of homes close together, everyone's 2.4 GHz networks compete for the same airspace. The 5 GHz band is like taking a less crowded highway.

6. Update Your Router's Firmware

Routers receive software updates just like your phone or computer. Log into your router's settings (check the sticker on the bottom of your router for the web address and password) or open your router's mobile app if it has one. Look for a "Firmware Update" or "Software Update" option.

If this feels too technical, skip to step 7—it's okay to leave this one to a professional.

Why this works: Updates fix bugs and security problems that can slow down your connection.

7. Test with an Ethernet Cable

Connect your computer directly to your router using an ethernet cable (the cable looks like a thick phone cord with a wider plastic clip). Run a speed test. If your speed is normal with the cable but slow on WiFi, you've confirmed it's a wireless problem, not an issue with your internet service.

Why this works: This test tells you whether to focus on fixing your WiFi setup or whether you need to call Frontier or Xfinity about your internet service itself.

8. Check Your Internet Plan Speed

Log into your Frontier or Xfinity account online or call them to confirm what speed you're paying for. Then run a speed test at fast.com. Are you getting close to what you're paying for (within 20-30%)? If not, the problem might be with your service provider, not your equipment.

Why this works: Sometimes we assume we have fast internet when we're actually on an older, slower plan. Or the provider may have a problem on their end.

Still Not Working? Advanced Problems That Need Professional Help

If you've tried these steps and still have slow WiFi, you might be dealing with issues that require technical expertise:

  • Dead zones in multi-story homes: Your single router can't cover your whole house. You may need a mesh WiFi system or additional access points, especially in larger colonial or farmhouse layouts common in our area.
  • Outdated router hardware: If your router is more than 5 years old, it may not support modern speeds and multiple devices. Newer routers have better technology for handling today's demands.
  • Network interference or configuration issues: Sometimes nearby networks, incorrect router settings, or problems with your home's network setup require diagnostic tools and technical knowledge to identify and fix.
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STILL HAVING PROBLEMS?

Don't waste more time troubleshooting. Call Chapin Business Services at (203) 262-1869.

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✓ Real human answers the phone

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Frequently Asked Questions

Do I need to upgrade my internet plan to get faster WiFi?

Not usually. Most homes have internet plans that are fast enough, but the WiFi signal isn't reaching every room properly. Before paying for a faster plan, try the steps above or have someone evaluate your WiFi coverage. You might just need better equipment or setup, not more speed from your provider.

What's the difference between my modem and my router?

Your modem connects your home to your internet service provider (Frontier or Xfinity). Your router takes that internet connection and shares it wirelessly to all your devices. Some newer devices combine both functions into one box. If you're not sure which is which, look for the device that has your cable or phone line plugged into it—that's your modem.

How do I know if I need a new router?

If your router is more than 5 years old, it's probably time for an upgrade. Newer routers handle multiple devices much better and have stronger signals. Also, if you're consistently getting slow speeds right next to your router even after restarting it, the router itself may be failing.

Will a WiFi extender solve my problem?

Sometimes, but not always. Basic WiFi extenders can help but often create new problems—they can slow down your overall network and require switching between network names as you move around your house. Mesh WiFi systems are usually a better solution for larger homes, but they cost more. It depends on your specific situation and home layout.

Still Have Questions?

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