Garrus seems to be stuck during the mission Arrae: Ex-Cerberus Scientists. What can I do to help him? Cerberus attacked and I killed them all. Now dramatic music is playing but nothing is happening. What can I do?

  • 3
    You can start by giving more details, e.g. which mission you're talking about. Or you could try reloading an autosave.
    – kotekzot
    Commented Mar 21, 2012 at 4:06
  • 10
    He's just doing some calibrations...
    – Ben Brocka
    Commented Mar 21, 2012 at 4:19
  • not sure what i should answer this with.
    – Paralytic
    Commented Mar 21, 2012 at 6:38
  • 2
    I think the OP is talking about the mission Arrae: Ex-Cerberus Scientists. Pretty sure it's the only one with Cerberus and fixing AA guns.
    – FAE
    Commented Mar 21, 2012 at 12:22
  • I have the same issue. I reloaded a save twice, but still can't get past this point. There's a cerberus shuttle that looks like it's just stuck in midair, though no one is in it.
    – user22548
    Commented Mar 27, 2012 at 1:31

4 Answers 4


Missions will "stall" like this if there is an enemy hiding somewhere, as the game is actually waiting for combat to end, not a timer.

You can usually flush out remaining enemies by running out from cover, or failing that, meticulously checking every nearby nook and cranny for hiding enemies.

  • I had an invisible phantom hiding on the lower level. Took forever to find her, but eventually I did.
    – aslum
    Commented Mar 27, 2012 at 17:25

Try reloading an old save point...might just be a bug


I reloaded last save game after the above bug and choose my other ally to activate the AA gun and i didnt mount the gun this time and it worked for me, maybe try this if you have this issue


The AI for the invisible phantom is a little buggy, so expect this to get stuck somewhere and be stupid hard to find. There is a quick save right before the second switch so just load the last save and when the phantom drops nuke the ever loving crap out of it before it disappears.

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