Posted by mistake.

@nforcedragon RESOLVED! I read the information in the link that you posted and with it, was able to remove and then add a new connection to my laptop. Many, many thanks to you for posting that...

@nforcedragon Thank you for your help. I went to the link that you posted and found it interesting. I'll try it in the next few days. Thanks again for helping me.

Next day continuation... I found that disabling SSID Broadcast prevents the router from broadcasting itself and the laptop therefore cannot connect. However, I don't know why if I change the PSK...

Model : Hardware Version : Firmware Version : ISP : I have an Archer C7 AC1750 Version 2 router, three desktop computers, and one laptop. The laptop is running Windows 7 and uses a wireless internet...