Hub 3 Replaced with Hub 5

Hub replaced by VM Tech Hub Status Network Diagnostics shows all wifi connected devices have low signal strength and recommends moving them closer to hub. Devices are not identified but assuming listing order is that shown in connected device pages one of the items with low signal strength is laptop which is in direct line of site of hub and approx 5 metres distance. It seems unlikley that signal in this loctaion is poor and I wonder if the self diagnostics test is reliable.

Also issues viewing hub status pages from desktop they fail to show column or row titles for data being measured yet these titles are visible when viewed on laptop. Both desktop and laptop are 12 months old running win 11 and I have tried changing screen resolution and clearing history and cookies with no permanent improvement although desktop did show titles for a period of two days and then reverted to not displaying. Has anyone else experienced this issue and found a fix.