Have you tried Homeplugs? One connects to router and main PC, then another connects to any Mains socket and is then connected to another PC via Ethernet cable from the homeplug to PC.
You should include a link here to your other thread.
iPhone X review
How to find a font: Discover the name of a typeface with these apps
The best iPhone for 2017
Comment créer un compte PayPal pour payer en ligne ?