On Sun, 2020-02-09 at 08:05 -0400, George N. White III wrote: > Check components near the ethernet port for signs of damage. Though there's every chance that there won't be any visible signs. Fried electronic parts don't have to be charred. I have to periodically replace ethernet switches, and/or network cards on computers that are connected between buildings. There can be a significant voltage difference on the mains wiring between buildings, and even between circuits within a building. It seems that few ethernet interfaces bother to use galvanic isolating transformers, or opto-coupling, so they're vulnerable to voltages on earthing. Static shock is also a posibility (the inevitable walking across the carpet and zapping things, or people wearing static electricity generating clothing). Our recent computers have motherboard ethernet ports, I don't fancy the chances that the ethernet port being zapped will be limited to just the ethernet port components. The previous dead network cards didn't just not network, they would hang the PC, prevent booting, and cause random crashes. -- uname -rsvp Linux 3.10.0-1062.12.1.el7.x86_64 #1 SMP Tue Feb 4 23:02:59 UTC 2020 x86_64 Boilerplate: All unexpected mail to my mailbox is automatically deleted. I will only get to see the messages that are posted to the mailing list. _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
