The Peak 15 on Noveria has turned into a nightmare in Mass Effect Legendary Edition. All systems are offline and the VI core has no power. You will need to perform a manual override to talk to the VI device and find out what you need to do to fix things. If you do not have the right resources on hand, manually restarting the VI can be difficult.
How to complete a manual restart
The manual restart for VI Peak 15 will be in the energy room, where you are attacked by a small swarm of green insects. Continue forward and go down to the VI core. From here, you can access the memory core and decide to use 100 Omni-gel to repair it or try to activate it manually. If you have a replacement Omni-gel, just click the button and the VI is online.
If you decide to restart manually, you will have to go through this little puzzle.
Your goal is to move all the modules from core 1 to core 3. You can only move the highest power node, the blue square. You can’t move one under it. So the top square will always have to go first.
The fastest way to complete this is to focus on moving the bottom square to Core 3. To do this, move the top square to Core 2 and then the second square to Core 3. You can then place the two into Core 3. Finally, move the third square to Core 3. Now move the top square of Core 3 back to Core 1, the second square to Core 2, and then the top square from Core 1 to Core 2. The bottom power node can now move to Core 3.
Another goal is to get the third square to Core 3. You can do this by moving the top square to Core 1 and then the second square to Core 3. With that, move the top square from Core 1 to Core 3. You can then move the third square from Core 2 to Core 1 and then move the top square from Core 3 back to Core 1. Finally, move the second square from Core 3 to Core 2, place the top square from Core 1 to Core 3. The third square on Core 1 can now move to Core 3 and you halfway.
This is the easy part. All you have to do is move the top square from Core 2 to Core 1 and then the second square can move to Core 3. The last piece is to place the top square from Core 1 to Core and you’re done. The core reactivates and you complete the power supply to the rest of the device.