@terziyski Thank you for all your input. Actually, I did not test the laptop before the firmware was updated. When I got the new router I updated the firmware so did not test before the update. Also...

@terziyski To sumarize the issue - when your C80 is configfured to use WPA2-PSK (AES) for wireless security you can't connect to its wireless network (both bands). --- YES Does any other wireless...

@Kevin_Z Thank you for your input on trying the driver troubleshoot in the given link. Did all those but still no luck. Later I did a factory reset to C80 and only stuffs that I changed were Internet...

@terziyski Thank you for your input. Yes, I tried that but that did not help me.

My HP EliteBook 840 G2 is not able to connect to the WiFi network set on TP-Link Archer C80 AC1900 router either to 2.4 GHz or 5.0 GHz SSID and getting the error "Can't connect to this network" even...