Problem identified: New network card fails to function on an older motherboard.
Problem identified: New network card fails to function on an older motherboard.
You experimented with swapping the graphics card into slot #3 and the network card into slot #1, and the BIOS recognized it in any slot previously. It functioned before you even logged into Windows. Likely the motherboard wasn’t expecting hardware modifications. Thanks for your guidance! You’re really relieved it’s working now.