This may have indeed been the issue. I entered the IP address in the run line instead of the url that Tp Link instruct, that is: \\192.168.0.1\volume1 instead of \\tplinklogin.net
The drive showed...

Thanks Samuria,
Could you elaborate how you would do that please?
I'll give it a shot.

Archer C7 v1 latest firmware installed.
The other laptop is a cloned hard drive of this one so all settings are pretty much the same.
This laptop is an ASUS GL752W. It has to be a windows 10 issue,...

Thanks Samuria,
I do not think it is a pingable device as it is just a hard drive attached to the router. The router of course (default gateway) pings very nicely.
Like I said, All other devices...

91965
I know what you mean. This is a particularly good speed result for me. And at $80 per month for 20GB I envy you blokes in the cities. New satellite on its way! That will help a bit I hope.

All laptops but one can access the USB drive on \\tplinklogin.net. All other devices have no problem either, phones etc.
The error message reads:
91964
The laptop has been away for over a month...