How do I fix authentication problem?

How do I fix authentication problem?
How to Fix Android WiFi Authentication Problem

#1 Turn airplane mode on/off.
#2 Reset the network.
#3 Restart the router.
#4 Reset network settings.
#5 See the network security type.
#6 Change wireless network configuration.
#7 Use the WPS push button.
#8 Android System Repair tool.

How to Fix Android WiFi Authentication Problem
  1. #1 Turn airplane mode on/off.
  2. #2 Reset the network.
  3. #3 Restart the router.
  4. #4 Reset network settings.
  5. #5 See the network security type.
  6. #6 Change wireless network configuration.
  7. #7 Use the WPS push button.
  8. #8 Android System Repair tool.

How do I fix couldn’t authenticate connection?

Refresh All Your Network Settings

To do this go to Settings > Backup & reset > Network reset and tap on Reset Settings. The process shouldn’t take too long, but when it finishes, try to log onto the network that’s giving your problems and hopefully, you can connect.

Can’t connect to this network WiFi?

To run the Network troubleshooter

Select the Start button > Settings > Network & Internet > Status. Under Change your network settings, select Network troubleshooter. Follow the steps in the troubleshooter, and see if that fixes the problem.

Why can’t I connect to my wi fi even though the password is correct?

Make sure you select the correct wireless security option when asked for your password (for example, select WEP 40/128-bit Key if you’re typing the 40-character pass key for a WEP-encrypted connection). Sometimes wireless cards get stuck or experience a minor problem that means they won’t connect.

How do I manually connect to WiFi?

Complete these steps
  1. Select System Settings from the HOME Menu.
  2. Select Internet, and then Internet Settings.
  3. Scroll to the bottom of the networks listed under Networks Found, and select Manual Setup.
  4. Select from the following options, and enter the appropriate network information:
  5. Select Save.

How do I reset my network?

Resetting the network stack
  1. Type ipconfig /release and press Enter.
  2. Type ipconfig /flushdns and press Enter.
  3. Type ipconfig /renew and press Enter. (This will stall for a moment.)
  4. Type netsh int ip reset and press Enter. (Don’t restart yet.)
  5. Type netsh winsock reset and press Enter.