Hmm, it seems like a stretch but try this:

All you do is travel to Gibsons shack (the one from her quest) and use the terminal on the floor.Click on download research notes and she should magically reappear talking about what technology to go after. Just choose whichever one to make her a follower once again

Hmm, it seems like a stretch but try this:

Travel to Gibsons shack (the one from her quest) and use the terminal on the floor.Click on download research notes and she should magically reappear talking about what technology to go after. Just choose whichever one to make her a follower once again