eeupdate64eefi is an EFI executable provided by Intel for updating firmware, configuring NVRAM settings, and modifying parameters on Intel network adapters (e.g., PRO/1000, X710, I350, I210, 825xx series). It runs in UEFI shell environments, not in the OS.
It is part of Intel's BootUtil / EEUpdate package and is essential for low-level adapter management when the OS is not running or when a traditional DOS environment isn't feasible.
While eeupdate64eefi is the gold standard for Intel NICs in a UEFI environment, alternatives exist: eeupdate64eefi work
However, for granular control, offline recovery, and bulk updates, nothing beats eeupdate64eefi when it works.
Before attempting to run eeupdate64eefi, ensure the following: eeupdate64eefi is an EFI executable provided by Intel
When eeupdate64eefi finishes, it returns an exit code that tells you what happened:
| Exit Code | Meaning | |-----------|---------| | 0 | Success | | 1 | No adapters found | | 2 | Invalid command line | | 3 | File I/O error | | 4 | Flash write failure | | 5 | Verification mismatch | While eeupdate64eefi is the gold standard for Intel
To see the exit code in UEFI Shell, type echo %lasterror% after the command finishes.