wifi and home networking

I may have a unique problem. The previous owner of the house had multiple very high security clearances. He lined a room with lead or some other material that makes it impossible to have cellphone service or wi-fi in that room. What type of device can I plug into a wall socket that would allow...

My work laptop has always had poorer WiFi signals since I started working from home than any other device used on our network, but it keeps getting worse. My work’s IT manager has been no help. Started with slower speed tests than anything else, including others’ work laptops running under same...

No devices will connect to wifi. When I reset the router, the first light to come on is the wifi light and I can connect at this stage. Then, when the light for internet comes on it kicks the connected devices off the wifi. Router type is HG658c