I'm really hoping someone can help me with this.
I am able to sign in to ArcGIS online, but after signing in the 'ArcGIS Online' option below is still greyed out. What is odd is that the 'Add Basemap' under 'Add Data' is not greyed out, but when I click on it nothing happens. The 'Add data from ArcGIS online' below that is greyed out though. I am currently running ArcGIS 10.5.1. I have run a connection test and get the following results:
Proxy Server Test - Passed
No proxy server.
Download Speed Test - Passed
Average download speed 16 kb per second. Rating Bad
Network Latency Test - Undetermined
Network Route Test - Failed
Does the problem lie here somewhere?