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Why Does My Internet Keep Disconnecting?

Why Does My Internet Keep Disconnecting? 12 Fixes

FIND THE CAUSE • TEST WI-FI VS BROADBAND • FIX RANDOM DROPOUTS

Published: 13 September 2026 at 01:03 BST By Hasnaat Mahmood
Quick diagnosis

If your internet keeps disconnecting, first work out whether the problem affects every device or only one. That single check usually tells you whether to investigate your broadband connection, your Wi-Fi network or the device itself.

If every phone, laptop and TV loses internet at once, look at the router, modem, fibre equipment or your internet provider. If only one device disconnects, the broadband connection itself is much less likely to be the problem.

The quickest way to find the problem

Before changing settings or buying new equipment, check whether the dropout happens on every device or just one.

Every device disconnects

Look beyond one phone or laptop

If everything drops at roughly the same time, the fault is more likely to involve your router, modem, fibre equipment, broadband line or internet provider.

Only one device disconnects

Concentrate on that device

If the rest of the household stays online, start with the affected laptop, phone, console or TV rather than resetting the whole network.

The first test I recommend is Ethernet. If a wired connection remains stable while Wi-Fi drops, that immediately points you towards a wireless problem rather than the incoming broadband connection. It is a better starting point than blindly replacing the router.

12 reasons your internet keeps disconnecting

01

Weak Wi-Fi signal

Wi-Fi becomes weaker with distance and as it passes through walls and floors. Test the affected device close to the router. If the problem disappears, coverage is probably the issue.

02

Wireless interference

Neighbouring Wi-Fi networks, microwaves, baby monitors, cordless phones, Bluetooth equipment and other electronics can interfere with wireless signals.

03

Your router needs restarting

A proper restart can clear a temporary software or connection fault. Turn the router off, wait about 30 seconds, switch it back on and give it time to reconnect fully.

04

Your provider has an outage

If every device suddenly loses internet, check your provider's service-status page using mobile data. Local network faults may not affect everyone in the same town or city.

05

A cable is loose

Check the connections between your router, modem, ONT or fibre terminal, wall socket and power supply. A cable can look connected while still being slightly loose.

06

Heavy network use

Large downloads, cloud backups, game updates and several high-resolution streams can put pressure on your connection or router, especially on slower packages.

07

An old or struggling router

Older routers can struggle with modern homes containing many phones, laptops, TVs, cameras, speakers and smart devices. Repeated improvement after a reboot can be an important clue.

08

Software or firmware problems

Install updates for your router, computer, phone and network drivers. If the problem started immediately after an update, a compatibility issue is also worth considering.

09

One device is the problem

If everything else stays online, restart the affected device, forget and reconnect to the Wi-Fi network, update its software and temporarily disable any VPN.

10

2.4GHz or 5GHz behaviour

2.4GHz normally travels further, while 5GHz can be faster but has less range. A device on the edge of 5GHz coverage may disconnect even when 2.4GHz remains stable.

11

An unstable broadband line

If Ethernet and Wi-Fi both drop across several devices, the incoming connection may be unstable. Watch what the router's broadband or internet light does when the dropout happens.

12

DNS, VPN or app failure

Sometimes the connection itself is still live but websites stop loading. If some services continue working, test another website and temporarily disable custom DNS or VPN software.

Start with Wi-Fi signal and router position

A lot of apparent internet dropouts are really Wi-Fi coverage problems. The connection reaching your router can be perfectly healthy while a phone or laptop struggles to maintain a wireless link.

  • ✓Move the router out of cupboards and enclosed furniture.
  • ✓Keep it off the floor where possible.
  • ✓Place it reasonably centrally in the property.
  • ✓Keep it away from thick walls, large metal objects and other electronics.
  • ✓Test the affected device close to the router before buying extenders or mesh equipment.

I would not buy a mesh system immediately. First prove that distance or coverage is actually causing the disconnections. Otherwise you can spend money improving Wi-Fi when the real fault sits with the broadband line or one device.

Why the Ethernet test matters

If you can connect a laptop or computer directly to your router with an Ethernet cable, do it while troubleshooting.

What happens?Most likely area to investigateWhat to do next
Wi-Fi drops but Ethernet stays onlineWi-FiCheck router position, interference, wireless bands and the affected device.
Wi-Fi and Ethernet both dropBroadband/routerCheck provider outages, router lights, cables and the incoming connection.
Only one device dropsDeviceRestart it, reconnect to Wi-Fi, update drivers and test without a VPN.

This is one of the quickest ways to separate an internet problem from a Wi-Fi problem. It also gives your provider much more useful information if you eventually need technical support.

Why does my internet disconnect at the same time every day?

A repeating pattern is useful evidence. If the internet disconnects at almost exactly the same time each day, look for something scheduled rather than assuming the fault is completely random.

Things worth checking

  • ✓Automatic cloud backups
  • ✓Large software or game updates
  • ✓Router schedules or parental controls
  • ✓Smart-home routines

Keep a simple record

Write down the time of each dropout for a few days. A predictable failure is often easier to diagnose than one that appears completely random.

Why does my internet keep disconnecting at night?

If it mainly happens in the evening, increased network use is one possible explanation. More people may be streaming, gaming and downloading, while nearby Wi-Fi networks may also be busier.

However, a connection that completely drops every evening should not automatically be dismissed as peak-time congestion. Test using Ethernet. If the wired connection disappears too, report the fault to your internet provider.

When should you contact your internet provider?

Contact your ISP when the evidence points away from one device and ordinary Wi-Fi coverage problems.

  • ✓All devices lose internet at the same time.
  • ✓Ethernet and Wi-Fi both disconnect.
  • ✓Your router repeatedly loses its broadband connection.
  • ✓The problem continues after checking cables and restarting the equipment.
  • ✓The connection is consistently below any guaranteed service level your provider has given you.

Give support useful detail. Tell them when the disconnections started, roughly how often they happen, whether every device is affected, whether Ethernet drops too and what the router lights do when the connection fails.

In the UK, your broadband provider remains your first point of contact even if another company, such as Openreach, operates part of the physical network. In the US, contact the ISP you pay rather than trying to diagnose the underlying network owner yourself.

Should you buy a new router?

Not immediately. Buying hardware before identifying the fault is one of the easiest ways to waste money when troubleshooting internet problems.

A router upgrade may help when
  • ✓A wired internet connection is stable.
  • ✓Several devices have Wi-Fi problems.
  • ✓Coverage is consistently poor.
  • ✓The existing router is old.
A new router may not help when
  • ✓Ethernet disconnects as well.
  • ✓Your provider has a network outage.
  • ✓The incoming broadband connection is unstable.
  • ✓Only one device has the problem.

The troubleshooting order I recommend

01

Check the scope

Find out whether one device or every device disconnects.

02

Test close to the router

This quickly tells you whether weak Wi-Fi coverage is likely.

03

Check for an outage

Use mobile data to view your provider's service-status page.

04

Restart properly

Power the equipment off, wait around 30 seconds and let it reconnect fully.

05

Check cables

Inspect router, modem, ONT, wall and power connections.

06

Test Ethernet

This is the most useful dividing line between Wi-Fi and wider internet faults.

07

Check interference

Move the router and test different wireless bands if possible.

08

Update equipment

Install router firmware, operating-system and network-driver updates.

09

Escalate with evidence

If wired and wireless connections both keep dropping, contact your provider with the details you have gathered.

The most useful thing you can do is work out where the connection is failing. Once you know whether the fault sits with one device, Wi-Fi inside your home, the router or the broadband connection coming into the property, the next step becomes much clearer.

Frequently asked questions

Why does my internet randomly disconnect for a few seconds?

Brief disconnections can be caused by weak Wi-Fi, interference, router problems, an unstable broadband connection or an issue with the device itself. Check whether other devices disconnect at the same moment and test using Ethernet if possible.

Can a bad router cause internet disconnections?

Yes. Router hardware, firmware or Wi-Fi problems can cause repeated disconnections. Test a wired connection and check for provider outages before assuming the router needs replacing.

Why does only my laptop keep disconnecting from Wi-Fi?

If other devices stay connected, the problem is more likely to be the laptop. Restart it, forget and reconnect to the Wi-Fi network, install network-driver updates and check Wi-Fi power-management settings.

Can too many devices disconnect Wi-Fi?

Large numbers of devices and heavy simultaneous network use can put pressure on some routers and broadband connections. Pause large downloads and temporarily disconnect unnecessary devices to see whether reliability improves.

Does restarting a router fix internet disconnections?

It can clear temporary faults and restore the connection. If you repeatedly need to restart the router, treat that as evidence of an underlying problem rather than a permanent solution.

Is it my Wi-Fi or my internet provider?

Connect a computer directly to the router with Ethernet. If Ethernet remains online while wireless devices disconnect, concentrate on Wi-Fi. If wired and wireless devices lose internet together, the router, modem, broadband line or internet provider becomes more likely.

Sources and further information

  1. Ofcom: Get help with broadband and Wi-Fi problems — consumer guidance covering router placement, interference, Ethernet testing, outages and provider fault reporting.
  2. Microsoft Support: Fix Wi-Fi connection issues in Windows — troubleshooting guidance for device-specific Wi-Fi faults, network adapters, restarts and power settings.
  3. Google Home and Nest Help: Troubleshoot wireless interference — guidance on neighbouring networks, household electronics and Wi-Fi interference.