Why Does My Internet Keep Disconnecting?
Intermittent dropouts are one of the more frustrating problems to diagnose because they’re inconsistent — the connection comes back on its own, nothing obviously looks wrong, and by the time you call anyone it’s working again. But the cause is almost always one of a small number of things, and working through them in the right order usually finds it.
Step 1: Start with Basic Fixes
1. Restart Your Modem and Router
A quick reboot can resolve many connection problems:
- Unplug your modem and router.
- Wait 30 seconds.
- Plug them back in and allow them to reconnect.
2. Check for ISP Outages
The issue might be on your ISP’s side:
- Visit their website or social media for updates.
- Contact their support if needed.
3. Reduce Wireless Interference
Wi-Fi signals may be disrupted by:
- Microwaves (keep your router away from the kitchen)
- Bluetooth devices (especially on 2.4 GHz)
- Cordless phones and baby monitors
- Overlapping signals from neighbouring networks
How to reduce interference:
- Move closer to your router
- Place the router in a central, open area
- Switch to a 5 GHz Wi-Fi band if available
For help with router placement or signal optimisation, check out our Wi-Fi and Network Installation Services.
4. Use a Wired Ethernet Connection
For devices like gaming consoles, smart TVs, or desktops, a wired connection offers:
- Improved stability
- Faster speeds
- No wireless interference
Step 2: Identify the Root Cause
1. One Device or All?
- If one device is disconnecting, it may have a Wi-Fi adapter issue.
- If all devices are affected, the router or ISP is likely the problem.
2. Time-Based Disconnections
- Does the internet drop at the same time each day?
- It could be peak-hour congestion.
- Or possibly your ISP’s scheduled maintenance window.
Step 3: Improve Wi-Fi Stability
1. Change Your Wi-Fi Channel
If your network is crowded by neighbours’ signals:
- Log into your router (usually at 192.168.1.1)
- Go to Wireless Settings
- Change the Wi-Fi channel (for 2.4 GHz, channels 1, 6, or 11 are typically best)
2. Switch to 5 GHz Wi-Fi
- Offers faster speeds and less interference
- Use it if your router supports dual-band
Need help upgrading or configuring your router? Our Onsite IT Support in London is ready to assist.
Step 4: Update Router Firmware and Rule Out Hardware
1. Update Your Router’s Firmware
Outdated firmware can cause dropouts:
- Log into your router settings (usually at 192.168.1.1)
- Navigate to the firmware update section
- Install any available updates
Step 5: Rule Out Hardware or ISP Issues
1. Check Cables and Connectors
- Ensure Ethernet or coaxial cables are not loose or damaged
2. Upgrade Old Equipment
- Routers older than 4-5 years may need replacing
- Consider dual-band or mesh systems for modern homes
3. Contact Your ISP
If nothing works, your ISP can:
- Remotely reset your connection
- Replace faulty hardware
- Send a technician to check the line
PC Macgicians Serving Local Areas in London
We provide professional Wi-Fi installation, troubleshooting, and router setup services across Putney, Clapham, Chelsea, Fulham, Wimbledon, and nearby South West London areas.
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