Ness City Computer Service LLC

Home › Blog › Networking
Networking

Slow or Spotty Office Wi-Fi? 7 Fixes to Try Before You Call Your Internet Provider

By Chris Harrison · October 8, 2026 · 5 min read

When the internet feels slow, most people blame their internet provider. Often the real problem is the Wi-Fi inside the building. Here’s how to tell the difference and seven fixes worth trying.

First, test the right thing

Plug a computer directly into your router or modem with a network cable and run a speed test. Then run the same test on Wi-Fi in the room where you have problems. If the wired test is fast and the Wi-Fi test is slow, the problem is your Wi-Fi, not your internet service.

1. Move the router out of the closet

Wi-Fi signals weaken through walls, metal, appliances and especially concrete and brick. A router tucked in a cabinet, a back office or on the floor behind a desk can’t cover much. Put it up high and as close to the middle of the space as you can.

2. Restart and update your equipment

Routers are small computers. They need firmware updates for both performance and security, and a restart often clears up a sluggish connection. If yours is more than five or six years old, it may not support current Wi-Fi standards at all.

3. Replace extenders with a proper access point system

Cheap Wi-Fi extenders often cut speeds in half and create a second network that devices have trouble switching between. For a business, wired access points (or a good mesh system) placed where people actually work cover far better.

4. Separate guest and business traffic

Customers, guests and personal phones should be on a separate guest network. It’s better for security, and it keeps someone streaming video in the waiting room from slowing down your point-of-sale or phones.

5. Watch for interference

In a busy area, you may share the air with a dozen nearby networks. Using the 5 GHz band where you can and choosing less crowded channels helps.

6. Wire what doesn’t move

Desktop computers, printers, VoIP phones and security camera recorders should be on network cables whenever possible. Every wired device frees up Wi-Fi for the laptops and phones that need it.

7. Bridge your outbuildings instead of stretching Wi-Fi

On farms and larger properties, trying to reach a shop or barn with Wi-Fi from the house rarely works. A point-to-point wireless bridge can link buildings hundreds of feet — or miles — apart with a fast, stable connection.

When to call for help

If you’ve tried the basics and still have dead zones, dropped calls or slow file transfers, it’s time for a proper look at your network. We design and install business networking and Wi-Fi across central and western Kansas, and our free network assessment is a no-cost way to find out what’s holding your connection back.

Want more free guides like this? Browse our Scam & Security Library — real examples of phishing emails, scam texts, fake pop-ups and more.

Chris Harrison, owner of Ness City Computer Service
About the author
Chris Harrison

Chris owns Ness City Computer Service and has more than 30 years of IT experience helping Kansas homes and businesses keep their technology running and secure.

Have a question about your tech?

Call the local guys. We’re happy to help — no pressure.

Services

How we can help

Computer repair & PC sales

Managed IT services

Cybersecurity

Networking & Wi-Fi

Backup & disaster recovery

VoIP business phones

Surveillance & alarms

Web design & hosting

Scroll to Top