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| Could this be a power surge that on two different occasions destroyed my equipment? If so, why was only one device affected in each case?...
Is there a test that can be done on the socket to see if it is working ok? | |
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Surges typically occur maybe once every seven years. Due to advertising, most everything now gets blamed on mythical surges. Any recommendation for surge protection is always be suspect due to too many people educated only from advertising.
All appliances contain serious protection from many electrical anomalies. For example, computers must withstand 1000+ volt surges without damage. Your symptoms imply a completely different anomaly. The same appliance that can withstand a 1000 volt transient might be damaged by lesser but constantly high voltage. Two completely different anomalies.
Nobody can provide a useful answer without information that includes numbers (which explains why so many blame mythical surges). Simplest solution is to use a multimeter to measure AC voltages between each wall receptacle prong. And from each wall receptacle prong to both modem cable conductors (shield and center wire).
Of course, best information comes from the dead body. The router has a power supply. What 'numbers' are not output on the connector to the router? And what are the numbers (input and output) on that power brick? Or get someone to identify what inside the modem/router has failed. Find a computer tech that actually knows how electricity works. Most don't.