Play computer when it rains in the sky. Be careful.
A Reddit user posted a picture of the damage of a gaming computer after a lightning strike, stating that electricity did not enter the device directly through the power outlet, but was expected to come from the building's Coaxial Internet network before forwarding it to the router and entering the PC via a LAN cable, causing heavy damage to the device.
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According to the published images, the main damage point was in the LAN port on the motherboard, where there were obvious burns. There was also damage to the router, including a burn in the wall near the access point of the signal line inside the room.
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The post owner stated that the incident occurred during a recent thunderstorm, believing that a high voltage current from the lightning had run through the building's Coaxial Line system, before entering the internal network and forwarding it to the computer via a LAN line.
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The incident is an example that shows that removing a computer power socket alone may not prevent all lightning damage, as other signal cables are also conductive, either Coaxial, Ethernet or telephone cables.
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The original author also recounted a personal experience of having lost a computer in a similar incident, even having removed all the power plugs before the storm, but not having removed the 56K modem cable connected. Finally, the computer could not be activated again, even without a burn mark to be seen as in this recent case.
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Within the thread, probable cause was also debated, with several users remarking that the Coaxial Line access point outside the building may not have been properly connected to the ground system, making it easier for lightning electricity to log into the network; however, the owner of the post indicated that it was in discussions with Internet service providers to determine the exact cause of the incident.
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This event is another reminder to computer and network device users that during a severe thunderstorm, electricity from lightning can travel into the device through wires and signals, not just power outlets, especially systems that also use copper cables as intermediaries to connect the network.
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Source: videocardz





























































