Soma bug makes playing impossible

[Abion47]

Have you watched a Let's Play of the game and watched how someone did it successfully to make sure you were doing it right? (Sit in the chair, insert the Omnitool, etc.)

Here's Markiplier's version, timestamped to the part where he does it:

https://youtu.be/hBROUVB0Fc0?t=7m16s