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If your internet connection is working fine, but you can’t sign in to Microsoft Teams due to the error “Couldn’t connect to the internet. Try checking your connection”, in this guide you’ll find detailed steps to fix the problem.
Many users report that even with a stable internet connection, Microsoft Teams fails to connect, displaying one the following errors:
- Oh no…we can’t connect to the internet. Check your connection
- No internet. Reconnect to keep the conversation going
- No Internet Connection Please check your network settings and try again (2603)
- We couldn’t connect to the internet. Try checking your connection
Because various reasons can cause “No Internet Connection” to appear in Microsoft Teams even when you are connected to it, such as corrupted Teams cache data, old Teams version, incorrect network settings, etc., in this guide we provide various methods to resolve the issue.
How to fix: No Internet in Microsoft Teams while connected.
Method 1. Quit Teams and Restart Your Computer
Before you proceed to more complicated methods to fix the “No Internet” error in Microsoft Teams, quit Teams app and restart your device.
1. Right-click on Teams icon on the Taskbar and Quit MS Teams. (This will quickly clear the cache as well)
2. Now restart your computer and then open Teams to check if the problem still exists.
Method 2. Repair & Reset Microsoft Teams.
If Teams couldn’t connect to the internet after restarting your computer, try to repair Microsoft Teams and reset its data.
1. Navigate to Start > Settings > Apps > Installed apps.
2. Find the Microsoft Teams app and from the three dots 
3. Scroll down, and click Terminate to close MS Teams app. Then, click Repair to repair Teams.
4. When the repair process is complete, launch Microsoft Teams and check if the connection issue is resolved. If not, continue below.
5. Click the Terminate button again and then click Reset.
6. When the reset is complete, start Microsoft Teams and check if Teams can connect.
Method 3. Clear Microsoft Teams Cache.
Because a corrupted Teams cache can cause connection errors, proceed to clear the Teams cache.
1. Right-click on Teams icon on the Taskbar and quit MS Teams.
2a. Press the Win 
+ R keys to open the Run command box.
2b. Type the below command and hit Enter (OK):
- %appdata%MicrosoftTeams
3. Press CTRL + A to select all the contents and then press Delete to delete all of them.
4. Now, start Microsoft Teams and check if the problem persists.
Method 4. Modify Proxy settings
1. Quit Microsoft Teams.
2a. Then, navigate to Start > Settings > Network & Internet > Proxy.
2b. Under ‘Automatic proxy setup’, turn on Automatically detect settings* and then try to connect to Teams.
* Note: This setting it can also be modified from the Control Panel > Internet Options > Connections > LAN Settings > Automatically detect settings.
3. Relaunch Teams and check if it can connect.
Method 5. Reset Internet Explorer Settings.
Sometimes Microsoft Teams cannot connect due to invalid Internet Explorer settings. To reset these settings to default:
1a. Press the Win 
+ R keys to open the Run command box.
1b. Type the below command and hit Enter (OK):
- RunDll32.exe InetCpl.cpl,ResetIEtoDefaults
2. Click Reset to reset all Internet Explorer settings.
3. When the reset is complete, reboot your PC and check if the problem persists.
Method 6. Fix Teams connection problem in Registry.
1a. Press the Win 
+ R keys to open the Run command box.
1b. Type regedit and hit Enter (OK):
2. In Registry Editor, navigate to this path:
- HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionInternet SettingsConnections
3. Delete the following REG_BINARY values from the right pane:*
- DefaultConnectionSettings
- SavedLegacySettings
* Note: These values will be re-created automatically with the default values upon restart.
4. Close Registry Editor, restart your PC and then try to connect to MS Teams.
Method 7. Uninstall & Reinstall Microsoft Teams.
The final method to fix the Microsoft Teams not connecting issue, is to completely reinstall the app. To do that:
1. Navigate to Start > Settings > Apps > Installed apps.
2. Find the Microsoft Teams app and from the three dots 
3. Restart your PC.
4. Finally, download and re-install Microsoft Teams and then check if Teams can connect.
That’s it! Which method worked for you?
Let me know if this guide has helped you by leaving your comment about your experience. Please like and share this guide to help others.
