No such thing as backwards compatibility when going backwards in LAN speeds. If your motherboard is 2.5GB LAN then it'll do everything below it.
Known working cable? Try another.
Have you tried downloading the updated LAN drivers from the manufactures website?
No such thing as backwards compatibility when going backwards in LAN speeds. If your motherboard is 2.5GB LAN then it'll do everything below it.
Known working cable? Try another.
Have you tried downloading the updated LAN drivers from the manufactures website?
That was my next suggestion. Glad you fixed it!Flashing the latest bios fixed it.