How To Tell If Your Modem/Router Has Been Hit By Lightning
Turning it off is not good enough. A nearby lightning strike can send a power surge through various materials: electrical wiring, copper phone lines, coax cable, plumbing pipes. In fact, all of these things actually “attract” the lightning! So your modem/router is at a very big risk when this happens. Your modem/router and computer are very sensitive pieces of kit, even blackouts (in other words, power outages or electrical power surges) can zap them and other sensitive equipment when the power kicks [...]