Interface failed to come up - EFW Installation problem

[Guest]

[saif]

Hello theres!,
Hope all of you'r fine, i have Dell optiplex 380 Computer i wanted to install EFW on it when the installation reachs to IP Address setting when i asign IP and press ok, it gives "Interface Failed to come up" message, what should i do to solve this problem?

Note: I tried the installation in another Dell optiplex 380 computer with different versions of EFW but had the same problem.

Waiting for your answeres

- Saif

Thanks in advance