A few days ago my wife reported that her Windows 10 laptop had lost internet connectivity. This isn’t the first time I’ve had to deal with this – my wife’s older laptop and my eldest daughter’s laptops have all had issues in the past (in the case of my daughters, it actually involved rolling back to an older version of the driver software, as the band-N driver wasn’t working correctly).

Disconnected and reconnecting didn’t cure it and in the end I went for the trusty reboot. That didn’t work so I went for a reboot of my router (even though everything else was online it was, at least, worth a try). Finally, I turned to command mode and ran an IPCONFIG /RENEW. That worked but I never understood why.

Until now.

Apparently, a Windows 10 update has caused it. And, as it happens, the advice on how to cure it is exactly what I did. It’s always good to know I was doing the right thing 🙂

Click start, power and restart (not shut down).

Try the internet connection once it’s booted up again.

If this doesn’t work, you need to reset your IP address. To do this, you need to open up the command prompt by following these instructions:

  • Click start
  • Click run
  • Type in “CMD” and press enter
  • This should open up a command prompt window
  • Now type in “ipconfig /release” and press enter
  • Finally, type in “ipconfig /renew” and press enter
  • Now try to go online to see if the connection is working

If this hasn’t done the trick, you can also try clearing the DNS settings.

  • To do this, open the command prompt window again
  • Now type in “ipconfig /flushdns” and press enter
  • Again, try to go online to see if your connection is working

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