Computer will not boot when ethernet cable connected

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Spline

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Feb 20, 2007
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I have a computer here that will not boot if the ethernet cable is connected. It will stall out on the bios splash screen. If you disconnect the cable and try again, it will boot fine and you can then attach the cable and have networking. It will then lock up ramdomly and you have to repeat the whole thing.
The cable looked strained, so I replaced it to no avail. Tried reinstalling the drivers for the on board LAN adapter and that didn't work either. Added a network PCI card, disabled the on board and all is fine.
Maybe someone could shed some light as to how an faulty Ethernet adapter would actually stop the POST when the cable is plugged in? Shouldn't it just skip it?

thanks,
Spline
 

zx10guy

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Do you have PXE boot enabled or the boot order set to boot from the NIC first?
 

TerryNet

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Does the boot fail with the cable connected to the PC but the other end not connected?
 
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