Halo 2 question about Zanibar

[HFD master]

In Halo 2 at the level zanibar theres that gate thing that opens with that computer and after you open it the screen turns blue and gate wont work and is there a way to shut the gate after you open it??

[Nova 6]

Not without moding it to be able to do that.

[HFD master]

k thx.