Skip to content

No Internet Connection? 10 Fixes to Test (and Get Back Online)

Having no internet connection is incredibly frustrating. Whether you‘re trying to work from home, stream movies, or just browse social media, losing your internet makes it difficult or impossible to do most online activities.

There are many potential causes of internet connectivity issues, from problems with your internet service provider to faulty equipment in your home. Troubleshooting and resolving these problems yourself can save you from lengthy customer support calls or waiting for a technician to fix it.

In this comprehensive guide, I‘ll walk you through the top 10 ways to troubleshoot and fix internet connection problems on your own. I‘ve researched the most common issues that lead to no internet access and found solutions that you can test out yourself to get back online quickly.

Common Causes of Internet Connectivity Problems

Before jumping into fixes, it helps to understand why you may have lost internet access in the first place. Here are the most frequent culprits behind no internet connection:

  • Internet service outage – Your internet service provider (ISP) may be experiencing a widespread outage in your area. This could result from damage to cables, equipment failure at a provider facility, cyberattacks, or other issues. Check your provider‘s outage map or call to see if there are known outages.

  • Faulty modem or router – Issues with your networking equipment like modems and routers are a leading cause of internet problems. Power cycling these devices or upgrading firmware can often resolve connectivity problems.

  • Wi-Fi connectivity problems – Even if your internet connection is working, devices may struggle to maintain a stable Wi-Fi signal. Interference, distance from the router, and device incompatibility can disrupt Wi-Fi access.

  • Malware infection – Viruses, spyware, and other malware may block your internet connection or redirect you from accessing the web. Running antivirus scans can detect and remove infections.

  • DNS server issues – Domain name system (DNS) servers translate domains into IP addresses. DNS problems prevent your computer from locating sites. Flushing DNS caches fixes many of these issues.

  • Firewall misconfiguration – Security tools like firewalls inspect traffic and block dangerous content. But overly strict firewall settings may inadvertently block your internet access.

  • IP address conflicts – Each device on your network needs a unique IP address. Duplicate addresses create conflicts that can knock devices offline.

  • Browser problems – Web browser settings, extensions, caching, and corruption can stop pages from loading properly. Clearing browser caches and data resets browser configurations.

  • OS network settings – Incorrect network configurations in your operating system can disrupt connectivity. Resetting network settings to default can restore internet access.

  • Physical connection problems – Loose cables, crimped cords, and hardware damage can sever the physical internet connection between devices.

Now let‘s explore step-by-step fixes and troubleshooting tips for each of these common issues.

1. Check for Internet Service Outages

The first thing to check is whether your internet service provider is experiencing a widespread outage or service disruption. ISPs rely on extensive infrastructure from cables to routers to provide internet access. Damage to lines or equipment failures can knock out service across entire regions.

Major providers have outage maps on their websites showing known service disruptions. Here are links to check for outages:

If you don‘t see outages reported, contact your ISP directly to inquire about service problems in your area. Explain precisely when you lost connectivity and what troubleshooting steps you‘ve tried already.

If there are no identified issues from the provider side, the problem likely stems from your networking equipment, connections, or devices.

2. Reset Your Modem and Router

Issues with your modem and router are among the most common reasons for internet connectivity problems. Power cycling these devices reboots your network connection and often resolves many problems.

Follow these steps to reset your equipment:

  1. Locate your modem and router. Your modem brings the internet connection from outside lines into your home. Your router takes that signal and broadcasts Wi-Fi. Many ISPs provide a combined unit.

  2. Unplug the power cables from both devices. Leave them disconnected for 1 full minute. This clears any memory issues or firmware crashes.

  3. Plug the power back in and wait for lights to stabilize. Most modems and routers have colored status lights on the front. Wait for proper operation indicated by solid power, send/receive, and connection lights.

  4. If you have a separate router, plug it back in next. Let the router fully reboot before reconnecting devices.

  5. Try going online from a device. Connect a computer directly to the modem via Ethernet if possible to isolate Wi-Fi issues. Confirm you have a stable internet connection once again.

If resetting your equipment doesn‘t restore connectivity, you may need to upgrade your modem and router‘s firmware. Manufacturers periodically release firmware updates to fix bugs and improve performance. Refer to your device manual for brand-specific firmware upgrade instructions.

Upgrading to a DOCSIS 3.1 modem and Wi-Fi 6 router improves speeds and reliability. If your equipment is several years old, replacement may be worthwhile for optimal connectivity.

3. Diagnose the Wi-Fi Connection

After verifying your modem and router are operating correctly, take steps to diagnose Wi-Fi-specific problems. Issues like interference, distance, and device incompatibility often disrupt Wi-Fi – even if your internet connection is fine.

Follow these Wi-Fi troubleshooting tips:

  • Directly connect a device to the router – Use an Ethernet cable to remove Wi-Fi as a point of failure. If internet access works via Ethernet, the problem is Wi-Fi related.

  • Check the Wi-Fi signal strength – Distance from your router can lead to a weak signal and intermittent drops. Move closer and see if connectivity improves. Consider Wi-Fi extenders or mesh systems for whole home coverage.

  • Try different devices – See if other phones, laptops, or devices can connect to rule out a problem with one piece of equipment. Incompatible or aging hardware may struggle to maintain a Wi-Fi link.

  • Switch Wi-Fi frequency bands – Congestion on 2.4GHz networks can interrupt connectivity. Toggle your router to 5GHz mode for clearer bandwidth, if available. Dual-band routers support both spectrums.

  • Adjust the router antenna position – For routers with external adjustable antennas, angle and rotate them to find the best signal strength for your environment. Point downwards and outward.

  • Check for interference – Other wireless signals and devices like baby monitors, Bluetooth speakers, and microwaves can degrade Wi-Fi performance. Identify and move potential sources of interference further away.

Addressing these factors should allow devices to maintain consistent Wi-Fi links to your router. Wired connections may be necessary for equipment located far from your wireless router.

4. Scan for Malware

Viruses, trojans, spyware, and other malware frequently tamper with internet settings and connections as part of their routines. Removing infections can instantly restore normal web access in many cases.

Run updated scans using quality antivirus software like:

Focus the scan on critical areas like operating system files, browsers, network settings, registries, and boot records where malware often hides. Quarantine or delete anything suspicious found.

You may need to reboot after cleaning infections before normal internet functionality returns. Severe malware may require fully resetting your network or reinstalling your operating system.

Running periodic antivirus scans helps detect malware before it causes bigger issues like internet connectivity loss. Many providers offer free online scanners if you don‘t have security software installed locally.

5. Flush the DNS Cache and Reload

The domain name system (DNS) acts like the internet‘s phone book, translating domain names into IP addresses that computers need to route traffic. DNS problems prevent your computer from locating websites and servers.

Flushing the DNS cache clears out these issues and often restores internet connectivity:

On Windows

  1. Open Command Prompt as administrator.

  2. Type ipconfig /flushdns and press Enter.

On Mac

  1. Open Terminal.

  2. Type sudo killall -HUP mDNSResponder and press Enter.

After flushing DNS, you can also reset your TCP/IP stack with these commands:

On Windows

netsh int ip reset resetlog.txt

On Mac

sudo killall -HUP mDNSResponder

sudo killall mDNSResponderHelper

sudo dscacheutil -flushcache

Reloading the TCP/IP stack renews the network configuration and internet connection. Coupled with a DNS flush, this often resolves connectivity issues stemming from network-related settings.

6. Temporarily Disable Firewalls and Security Software

Firewalls, antivirus suites, VPNs, and other security tools help protect your devices and information online. However, overzealous blocking and filtering can inadvertently interfere with your internet connection.

Try temporarily disabling your firewall and security software to see if that restores normal web access. If connectivity returns, a rule may need adjusting in the app blocking too much traffic.

Disable Windows Firewall

  1. Go to Start > Settings > Update & Security > Windows Security.

  2. Select Firewall & Network Protection.

  3. Switch the firewall to off for both public and private networks.

Disable Mac Firewall

  1. Click the Apple icon and go to System Preferences.

  2. Choose Security & Privacy, then click the Firewall tab.

  3. Uncheck the Enable Firewall box.

You can also right-click firewall and security apps like Norton, McAfee, Avast, etc. and select Disable or Quit to close them. Don‘t leave your device unprotected too long for safety.

7. Renew Your IP Address

Devices communicate on networks using an assigned IP address. When multiple devices end up with the same IP, conflicts arise that can knock both offline.

Renewing your computer‘s IP address releases and replaces the current one, fixing conflicts:

On Windows

Open Command Prompt, type ipconfig /release then ipconfig /renew, and press Enter after each.

On Mac

Open Terminal, type sudo dhclient -r && sudo dhclient, and press Enter.

Your router dynamically assigns IP addresses as devices join your network. Releasing and renewing forces it to give your computer a new unique IP.

You can also access your router dashboard to release and renew IP addresses for all connected devices at once. Refer to router documentation for the specific menu options.

8. Reset Network Settings to Default

Over time, network configurations like DNS server assignments, proxy settings, and performance tweaks can get corrupted and affect connectivity. Resetting network settings to default clears out these issues.

On Windows 10

  1. Open Settings > Network & Internet > Status.

  2. Scroll down and select Network reset.

  3. Choose Reset now to confirm.

On Mac

  1. Go to System Preferences > Network.

  2. Click on each connection and select Make Service Inactive.

  3. Click Apply to save the changes.

  4. Go through and reactivate each connection.

Resetting network settings reinstalls all network adapters and drivers like a fresh setup. You may need to rejoin Wi-Fi networks and redo VPN or proxy connections.

9. Update Network and Internet Drivers

Faulty, outdated, or missing drivers for network adapters, Wi-Fi cards, and other hardware can prevent proper internet connectivity.

Updating to the latest drivers from your device manufacturers resolves these issues:

On Windows

  1. Open Device Manager > Network adapters.

  2. Right-click each adapter and select Update driver.

  3. Choose Search automatically for updated driver software.

On Mac

  1. Click the Apple icon and choose About This Mac.

  2. Select System Report > Network.

  3. Make note of your network hardware components like Wi-Fi cards.

  4. Check manufacturers‘ sites for updated Mac drivers.

After installing latest drivers, reboot your computer to complete the upgrades. Look for improved connectivity and compatibility, especially for aging network hardware.

10. Inspect Cables, Ports, and Connectors

Don‘t overlook physical connection issues like loose cables or damaged ports that sever connectivity. Inspect all connectors and cables between your modem, router, devices, and wall jacks.

Common problems include:

  • Loose cable connections – Plug firmly into ports without wiggling.

  • Crimped or stretched cables – Bent Ethernet cords or worn USB power cables prevent proper contact.

  • Dust or debris in ports – Use compressed air to spray out any particles.

  • Broken or bent pins – Insert cables gently and straight into ports. Do not force.

  • Cable or power cord damage – Replace any visibly cracked or frayed wiring.

  • Overheated equipment – Allow modems and routers to fully cool if hot to the touch before reconnecting.

  • Wall jack issues – Ensure outlets are wired properly and make full contact with plugged in cables.

Addressing any physical connection problems can restore your internet connectivity. Keeping cables neatly organized reduces kinks and cord strain over time.

When to Call for Support

Taking the time to methodically work through troubleshooting steps yourself can get your internet up and running again without waiting for a technician visit.

However, if you still can‘t get back online after trying these fixes, contact your ISP for assistance. Be ready to provide:

  • The exact date and time connectivity was lost.

  • What troubleshooting you‘ve already completed.

  • Whether the problem affects just one device or your entire network.

  • Other services like TV or phone disrupted.

This information helps them diagnose where the issue resides. The provider may be able to reset equipment remotely or will dispatch a technician if necessary for on-site fixes.

Technical support can also help configure equipment like modems and routers or adjust account settings if needed to restore functionality.

Minimize Future Connection Problems

While internet issues can arise unexpectedly, taking some basic precautions minimizes problems:

  • Keep equipment up to date – Upgrade modems, routers, and devices regularly for the latest features and reliability.

  • Install surge protectors – Use surge protectors and UPS battery backups to protect equipment from power spikes and outages.

  • Secure open Wi-Fi networks – Password protect your SSID and use WPA3 encryption to prevent interference. Limit visibility by disabling SSID broadcast.

  • Consider mesh Wi-Fi – Mesh systems like Google WiFi provide stronger whole home signals compared to basic routers. Models with Wi-Fi 6 ensure speedy future-proof connections.

  • Use Ethernet for stationary devices – For desktops, TVs, printers and other fixed devices, wired Ethernet provides the most stable connectivity.

Losing your internet connection doesn‘t have to mean waiting helplessly for it to return. Pinpointing the source of the problem and methodically trying different solutions can frequently get your network back up and running quickly. With this guide‘s step-by-step troubleshooting tips, you can restore connectivity on your own and avoid lengthy downtimes.


Streamr Go

StreamrGo is always about privacy, specifically protecting your privacy online by increasing security and better standard privacy practices.