A connection that degrades overnight is frustrating precisely because nothing obvious changed. In our experience across the Valley, the cause is usually one of a handful of things, and you can narrow it down quickly.

Start by finding out where the problem is

Before blaming the provider, work out whether the fault is inside your building or outside it. Plug a laptop directly into the modem with a cable and run a speed test. If the wired result is good and Wi-Fi is poor, the problem is your internal network. If the wired result is also poor, the issue is upstream.

Common causes inside the building

• Wi-Fi congestion. neighboring networks, new equipment and even a new microwave can crowd the channels your access points use. Congestion builds gradually and then crosses a threshold where it becomes obvious.
• Something new consuming bandwidth. A cloud backup that started running during office hours, a large sync, or new devices added to the network will quietly eat capacity.
• Aging hardware. Consumer routers and access points degrade. Heat matters here more than most places, and equipment in a hot cupboard or an unconditioned space in an Arizona summer will fail earlier than the specification suggests.
• Cabling. A partially damaged cable or a failing switch port produces intermittent, hard-to-pin-down slowness rather than a clean failure.

Common causes outside the building

Local network congestion at peak times, provider maintenance, line faults and neighbourhood construction all produce sudden changes. Heat is a genuine factor in Arizona: outdoor equipment and older infrastructure struggle in extreme summer temperatures.

What to do

Restart the modem and router, check whether the problem affects everyone or one person, note the times of day it occurs, and run wired and wireless tests. Take that information to your provider. A specific report gets a far better response than a general complaint.

If the problem is internal, a proper look at the network usually finds it quickly. We are happy to take a look for businesses in Mesa, Phoenix and the surrounding cities.