Boot from the USB drive and you’re all set.

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Download the ISO with drivers from HERE.

Burn to a CD and insert in the drive. Logon to the console as root and mount:

mount /dev/cdrom /mnt

Browse to /mnt and find the file “INT-intel-lad-ddk-igb-1.3.19.12.1-offline_bundle-185976.zip”

Install the driver:

esxupdate --bundle=INT-intel-lad-ddk-igb-1.3.19.12.1-offline_bundle-185976.zip update

Reboot.

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