Years age we had a similar problem only it was a phone line and it killed the phone modem board. The rest of the desk top computer was ok. Also, carefully check all other electronic devices, TV, sound system, microwave etc. They may be working but could have weakened electrical components. Make notes and keep records. You may have to file a claim 6 to 12 months from now. As a side note we unplug/kill turn off the microwave circuit if we are going to be away for more than a few weeks.
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