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Show of hands if you have shaken your phone in frustration as the video you are watching freezes. There is nothing like buffering at 1% to test your patience. Over time, I have picked up a handful of reliable ways to troubleshoot common Wi-Fi issues that anyone can try before calling your internet service provider or tossing your router across the room.
The first thing I check when I have connection issues on any device is running a speed test. The Internet is filled with free tools, but my go-to site is Speedtest.com. It helps me determine whether the connection is slow from the source or just a problem with one device. If the numbers are way below what I’m paying for, I know it’s time to investigate further.
Your speed test will show two key numbers: DOWNLOAD Mbps and UPLOAD Mbps. Mbps stands for megabits per second, which tells you how fast data moves to and from your device. Download speed affects streaming, web browsing, and pretty much anything you're pulling from the internet, including your Smart Cameras. Upload speed is important for sending files, video calls, and backups. In the example above, I’m seeing over 900 Mbps both ways—that’s extremely fast for someone watchingYouTube all day. If your plan promises 200 Mbps and you're only getting 40, that is a clue that something is not working as intended.
Sometimes I find that the router is just tired and needs a break. The tried and true “turn it off, then turn it on again” has fixed more issues than I care to admit. Simply unplugging your router for 30 seconds and plugging it back in will help you narrow down where the problem stems.
Before we talk about rearranging our home, let’s figure out what Wi-Fi actually is. At its core, Wi-Fi is just a way to send internet signals through the air using radio waves. It’s like having an invisible web stretched across your home, and your devices tap into it to get online. That signal weakens when it runs into obstacles, such as walls, furniture, or large appliances. Where you put your router makes a big difference.
Routers work best when placed in a central, open area. Keeping one behind a TV stand or inside a cabinet can block the signal. Thick walls, metal objects, and large water-filled items like fish tanks also interfere with Wi-Fi. Placing the router on a high shelf, away from heavy furniture and electronics, allows the signal to spread more effectively throughout the home.
Evening slowdowns are common, especially in homes with multiple devices competing for bandwidth.
Smart TVs may be auto-downloading updates, video game consoles can pull large amounts of data, and streaming on several devices simultaneously adds even more load.
Managing the traffic helps smooth things out. Scheduling updates for overnight hours and spreading out heavy usage, like avoiding simultaneous 4K streaming and large downloads, can keep the connection stable when needed.
Many homes have Wi-Fi dead zones—spots where the signal drops off or disappears entirely. Mesh systems are one way to solve that. These systems use multiple access points to create a wider, more reliable home network. Once set up, the devices work together to balance the connection and eliminate weak spots.
Wi-Fi extenders offer a more straightforward, affordable solution if a full mesh system isn't an option.
They repeat the existing signal to reach areas that typically struggle, like far corners or rooms separated by thick walls.
I give it about 30 minutes of troubleshooting before I call my internet provider. If nothing I try improves the situation, I check for outages in the area or ask them to reset the signal from their end. I’ve also learned to keep a record of slow speeds and outages, which helps if I ever need to negotiate a bill adjustment.
Wi-Fi issues aren’t fun, but they don’t have to be a mystery either. I’ve found that a few minor changes make a big difference in how smoothly everything runs. Checking the speed, relocating the router, reducing interference, and updating old equipment are easy ways to get things back on track without waiting for tech support.
As an IT professional and owner of "Let Nick Fix IT," Nickolas Delgado has spent years helping people turn tech headaches into simple, stress-free solutions.
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