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eeupdate64e.efc /NIC=1 /DEFAULT

Mitigations:

: It must be run from a UEFI Shell . This requires a bootable USB drive formatted to FAT32 containing the shell environment and the file. eeupdate64e.efi

This tool is the "Gold Standard" for fixing Intel LAN cards that have corrupted firmware (common in cheap "combo" cards from AliExpress/eBay) or for changing the MAC address (SSI/SMbus configurations). eeupdate64e

/DATA [filename] : Programs specific data while ignoring the checksum and MAC address fields to prevent accidental overwrites of unique identifiers. Operational Environment eeupdate64e.efi