I have an AV1300 Passthrough Powerline installation with an ethernet connections to service 

a) CCTV camera

and

b) my PC.....  which has dropped out. and the reason for this note

..with a third unit connected to my router ... all on the same electrical installation and circuit.

The unit that dropped out has good connections , has two solid lights but shows up on my PC as 'unidentified network'. Further the ethernet setting on my PC will not take the BT Interenet reference.  Additionally  I have tried switching on and off both the unit and PC to no avail .

Wi Fi works generally , but not via ethernet powerline anymore to my PC. The only observation was that recently the router channel was changed from 11 to 1 upon advice from HIVE to counter dropouts which that cured. There has been however no impact on the other two powerline units.

Any suggestions on how I might get the ethernet connection back to my PC (because it is faster ) would be welcomed . Thank you in advance.