Hi folks, hope you can help solve an ethernet connection mystery I am having.
I have just built a new computer (mobo is Gigabyte Z170x UD5) and thought I might have a faulty motherboard because when I connected it to the port in the study, where my other working computer is, I got a 'Media Disconnected' message from ipconfig for both NICs. Updated bios, chipset and network drivers and still same message. Cable and port work fine in old computer, and I always get an instant network connection. On a lark, I lugged the computer, monitor, keyboard, etc. down to the basement and plugged it directly into the modem, and now the network connected fine on both NICs. So then I plugged it directly into the main router, also in basement, and again both NICs connected no problem. Took it to another room in the basement and plugged it into the port in that room, and everything was still fine (ethernet run from the router to port less than distance to the study, but more than 20 ft). Next plugged it into the Media Room port, a run equal to or longer than the run to the study (approx 50 feet), and again instant connection. Finally brought it back up to the study, where I would like it to reside, and 'Media Disconnected' report again. But the other computer, when plugged into the same port (and from where I am now typing this message) connects no problem. The two NICs look pristine, no dust, bent pins. The port in the wall has been taken out and examined (but not tested--I don't have a tester) and it too looks patent and clean. I have searched the googles for three days now and can't find anything like this having been reported. I am stumped. Any ideas?
To recap:
Old computer can connect to home network from all available ports with multiple available cables no problem.
New computer can connect to home network from all available ports with multiple cables WITH THE EXCEPTION OF the port located in the study, where the computer will ultimately live.
Things I have done that have had no impact.
Drivers and bios on new computer are up to date.
Changed the NICs configurations to 100 Mbs from Autoregulate.
Turned off WOL.
Tried to disable one or the other NICs, but the BIOS only allows the entire LAN Adapter to be disabled, which I take it would disable both NICs.
Thanks for any ideas, I am at a loss.
I have just built a new computer (mobo is Gigabyte Z170x UD5) and thought I might have a faulty motherboard because when I connected it to the port in the study, where my other working computer is, I got a 'Media Disconnected' message from ipconfig for both NICs. Updated bios, chipset and network drivers and still same message. Cable and port work fine in old computer, and I always get an instant network connection. On a lark, I lugged the computer, monitor, keyboard, etc. down to the basement and plugged it directly into the modem, and now the network connected fine on both NICs. So then I plugged it directly into the main router, also in basement, and again both NICs connected no problem. Took it to another room in the basement and plugged it into the port in that room, and everything was still fine (ethernet run from the router to port less than distance to the study, but more than 20 ft). Next plugged it into the Media Room port, a run equal to or longer than the run to the study (approx 50 feet), and again instant connection. Finally brought it back up to the study, where I would like it to reside, and 'Media Disconnected' report again. But the other computer, when plugged into the same port (and from where I am now typing this message) connects no problem. The two NICs look pristine, no dust, bent pins. The port in the wall has been taken out and examined (but not tested--I don't have a tester) and it too looks patent and clean. I have searched the googles for three days now and can't find anything like this having been reported. I am stumped. Any ideas?
To recap:
Old computer can connect to home network from all available ports with multiple available cables no problem.
New computer can connect to home network from all available ports with multiple cables WITH THE EXCEPTION OF the port located in the study, where the computer will ultimately live.
Things I have done that have had no impact.
Drivers and bios on new computer are up to date.
Changed the NICs configurations to 100 Mbs from Autoregulate.
Turned off WOL.
Tried to disable one or the other NICs, but the BIOS only allows the entire LAN Adapter to be disabled, which I take it would disable both NICs.
Thanks for any ideas, I am at a loss.
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